Cylinder Heads Archives - Drivar Auto Parts https://drivarautoparts.com/product-category/engines-and-components/cylinder-heads-and-components/cylinder-heads/ Fri, 16 Jan 2026 02:30:12 +0000 en-US hourly 1 https://drivarautoparts.com/wp-content/uploads/2021/06/cropped-Icon-32x32.png Cylinder Heads Archives - Drivar Auto Parts https://drivarautoparts.com/product-category/engines-and-components/cylinder-heads-and-components/cylinder-heads/ 32 32 AIR FLOW RESEARCH BBF 295cc Bullitt CNC Cylinder Heads 75cc Assm- 3817 https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbf-295cc-bullitt-cnc-cylinder-heads-75cc-assm-3817/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbf-295cc-bullitt-cnc-cylinder-heads-75cc-assm-3817 Fri, 16 Jan 2026 02:29:58 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbf-295cc-bullitt-cnc-cylinder-heads-75cc-assm-3817/ Cylinder Head – Bullitt – Assembled – 2.250 / 1.760 in Valves – 295 cc Intake – 75 cc Chamber – 1.625 in Springs – Aluminum – Big Block Ford – Pair Attributes: Product Line: Bullitt Assembled/Bare: Assembled Chamber Volume: 75 cc Plug Angle: Angle Intake Runner Volume: 295 cc Exhaust Runner Volume: 142 cc […]

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]]> Cylinder Head – Bullitt – Assembled – 2.250 / 1.760 in Valves – 295 cc Intake – 75 cc Chamber – 1.625 in Springs – Aluminum – Big Block Ford – Pair

Attributes:

  • Product Line: Bullitt
  • Assembled/Bare: Assembled
  • Chamber Volume: 75 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 295 cc
  • Exhaust Runner Volume: 142 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.275 in
  • Intake Port Width: 1.850 in
  • Exhaust Port Shape: Square
  • Exhaust Port Location: Stock
  • Exhaust Port Height: 1.850 in
  • Exhaust Port Width: 1.600 in
  • Intake Valve Size: 2.250 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.245 in
  • Exhaust Valve Size: 1.760 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.050 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: CNC Machined
  • Exhaust Runner Finish: CNC Machined
  • Intake Valve Angle: 14 Degree
  • Exhaust Valve Angle: 8 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    w/Solid Roller Springs,

    The post AIR FLOW RESEARCH BBF 295cc Bullitt CNC Cylinder Heads 75cc Assm- 3817 appeared first on Drivar Auto Parts.

    ]]> 44872 AIR FLOW RESEARCH BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem.- 3670 https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-300-cfm-cnc-cylinder-heads-pr-o-p-assem-3670/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-300-cfm-cnc-cylinder-heads-pr-o-p-assem-3670 Fri, 16 Jan 2026 02:29:58 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-300-cfm-cnc-cylinder-heads-pr-o-p-assem-3670/ Cylinder Head – BBC Magnum – Assembled – 2.300 / 1.880 in Valves – 300 cc Intake – 112 cc Chamber – 1.625 in Springs – Aluminum – Big Block Chevy – Pair Attributes: Product Line: BBC Magnum Assembled/Bare: Assembled Chamber Volume: 112 cc Intake Runner Volume: 300 cc Exhaust Runner Volume: 135 cc Intake […]

    The post AIR FLOW RESEARCH BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem.- 3670 appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – BBC Magnum – Assembled – 2.300 / 1.880 in Valves – 300 cc Intake – 112 cc Chamber – 1.625 in Springs – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: BBC Magnum
  • Assembled/Bare: Assembled
  • Chamber Volume: 112 cc
  • Intake Runner Volume: 300 cc
  • Exhaust Runner Volume: 135 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.055 in
  • Intake Port Width: 1.840 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.770 in
  • Exhaust Port Width: 2.010 in
  • Intake Valve Size: 2.300 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Hydraulic Roller
  • Maximum Lift: 0.725 in
  • Maximum RPM: 6700
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Steel
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: CNC Machined
  • Exhaust Runner Finish: CNC Machined
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 24 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    Full CNC Ported

    The post AIR FLOW RESEARCH BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem.- 3670 appeared first on Drivar Auto Parts.

    ]]> 44870 AIR FLOW RESEARCH BBC 325cc Alum Heads Magnum 121cc Assembled- 2101-1 https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-325cc-alum-heads-magnum-121cc-assembled-2101-1/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-325cc-alum-heads-magnum-121cc-assembled-2101-1 Fri, 16 Jan 2026 02:28:53 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-325cc-alum-heads-magnum-121cc-assembled-2101-1/ Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 325 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair Attributes: Product Line: Magnum Comp Assembled/Bare: Assembled Chamber Volume: 121 cc Plug Angle: Angle Intake Runner Volume: 325 cc […]

    The post AIR FLOW RESEARCH BBC 325cc Alum Heads Magnum 121cc Assembled- 2101-1 appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 325 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: Magnum Comp
  • Assembled/Bare: Assembled
  • Chamber Volume: 121 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 325 cc
  • Exhaust Runner Volume: 132 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.360 in
  • Intake Port Width: 1.685 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.720 in
  • Exhaust Port Width: 1.920 in
  • Intake Valve Size: 2.300 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: CNC Machined
  • Exhaust Runner Finish: CNC Machined
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 15 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    The post AIR FLOW RESEARCH BBC 325cc Alum Heads Magnum 121cc Assembled- 2101-1 appeared first on Drivar Auto Parts.

    ]]> 44839 AIR FLOW RESEARCH BBC 357cc CNC Alum Heads Magnum 121cc Assembled- 2010-TI https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-357cc-cnc-alum-heads-magnum-121cc-assembled-2010-ti/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-357cc-cnc-alum-heads-magnum-121cc-assembled-2010-ti Fri, 16 Jan 2026 02:28:53 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-357cc-cnc-alum-heads-magnum-121cc-assembled-2010-ti/ Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 357 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair Attributes: Product Line: Magnum Comp Assembled/Bare: Assembled Chamber Volume: 121 cc Plug Angle: Angle Intake Runner Volume: 357 cc […]

    The post AIR FLOW RESEARCH BBC 357cc CNC Alum Heads Magnum 121cc Assembled- 2010-TI appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 357 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: Magnum Comp
  • Assembled/Bare: Assembled
  • Chamber Volume: 121 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 357 cc
  • Exhaust Runner Volume: 135 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.520 in
  • Intake Port Width: 1.815 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.780 in
  • Exhaust Port Width: 2.025 in
  • Intake Valve Size: 2.300 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: CNC Machined
  • Exhaust Runner Finish: CNC Machined
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 15 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    The post AIR FLOW RESEARCH BBC 357cc CNC Alum Heads Magnum 121cc Assembled- 2010-TI appeared first on Drivar Auto Parts.

    ]]> 44826 AIR FLOW RESEARCH BBC 385cc CNC Alum Heads Magnum 121cc Assembled- 2020-TI https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-385cc-cnc-alum-heads-magnum-121cc-assembled-2020-ti/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-385cc-cnc-alum-heads-magnum-121cc-assembled-2020-ti Fri, 16 Jan 2026 02:28:53 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-385cc-cnc-alum-heads-magnum-121cc-assembled-2020-ti/ Cylinder Head – Magnum Comp – Assembled – 2.350 / 1.880 in Valves – 385 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair Attributes: Product Line: Magnum Comp Assembled/Bare: Assembled Chamber Volume: 121 cc Plug Angle: Angle Intake Runner Volume: 385 cc […]

    The post AIR FLOW RESEARCH BBC 385cc CNC Alum Heads Magnum 121cc Assembled- 2020-TI appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – Magnum Comp – Assembled – 2.350 / 1.880 in Valves – 385 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: Magnum Comp
  • Assembled/Bare: Assembled
  • Chamber Volume: 121 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 385 cc
  • Exhaust Runner Volume: 135 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.565 in
  • Intake Port Width: 1.810 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.780 in
  • Exhaust Port Width: 2.025 in
  • Intake Valve Size: 2.350 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Titanium
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: CNC Machined
  • Exhaust Runner Finish: CNC Machined
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 15 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    The post AIR FLOW RESEARCH BBC 385cc CNC Alum Heads Magnum 121cc Assembled- 2020-TI appeared first on Drivar Auto Parts.

    ]]> 44828 AIR FLOW RESEARCH BBC 305cc Alm Cylinder Heads (Pair) Assembled- 2100 https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-305cc-alm-cylinder-heads-pair-assembled-2100/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-305cc-alm-cylinder-heads-pair-assembled-2100 Fri, 16 Jan 2026 02:28:53 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-305cc-alm-cylinder-heads-pair-assembled-2100/ Cylinder Head – Magnum Comp – Assembled – 2.250 / 1.880 in Valves – 305 cc Intake – 117 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair Attributes: Product Line: Magnum Comp Assembled/Bare: Assembled Chamber Volume: 117 cc Plug Angle: Angle Intake Runner Volume: 305 cc […]

    The post AIR FLOW RESEARCH BBC 305cc Alm Cylinder Heads (Pair) Assembled- 2100 appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – Magnum Comp – Assembled – 2.250 / 1.880 in Valves – 305 cc Intake – 117 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: Magnum Comp
  • Assembled/Bare: Assembled
  • Chamber Volume: 117 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 305 cc
  • Exhaust Runner Volume: 132 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.380 in
  • Intake Port Width: 1.680 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.720 in
  • Exhaust Port Width: 1.920 in
  • Intake Valve Size: 2.250 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: As Cast
  • Intake Runner Finish: As Cast
  • Exhaust Runner Finish: As Cast
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 15 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    Retangle Port, Partially CNC

    The post AIR FLOW RESEARCH BBC 305cc Alm Cylinder Heads (Pair) Assembled- 2100 appeared first on Drivar Auto Parts.

    ]]> 44830 AIR FLOW RESEARCH BBC 305cc Alum Heads Magnum 121cc Assembled- 2100-1 https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-305cc-alum-heads-magnum-121cc-assembled-2100-1/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-305cc-alum-heads-magnum-121cc-assembled-2100-1 Fri, 16 Jan 2026 02:28:53 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-305cc-alum-heads-magnum-121cc-assembled-2100-1/ Cylinder Head – Magnum Comp – Assembled – 2.250 / 1.880 in Valves – 305 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair Attributes: Product Line: Magnum Comp Assembled/Bare: Assembled Chamber Volume: 121 cc Plug Angle: Angle Intake Runner Volume: 305 cc […]

    The post AIR FLOW RESEARCH BBC 305cc Alum Heads Magnum 121cc Assembled- 2100-1 appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – Magnum Comp – Assembled – 2.250 / 1.880 in Valves – 305 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: Magnum Comp
  • Assembled/Bare: Assembled
  • Chamber Volume: 121 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 305 cc
  • Exhaust Runner Volume: 132 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.380 in
  • Intake Port Width: 1.680 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.720 in
  • Exhaust Port Width: 1.920 in
  • Intake Valve Size: 2.250 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: As Cast
  • Exhaust Runner Finish: As Cast
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 15 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    The post AIR FLOW RESEARCH BBC 305cc Alum Heads Magnum 121cc Assembled- 2100-1 appeared first on Drivar Auto Parts.

    ]]> 44835 AIR FLOW RESEARCH BBC 325cc Alum Heads Magnum 117cc Assembled- 2101 https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-325cc-alum-heads-magnum-117cc-assembled-2101/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-325cc-alum-heads-magnum-117cc-assembled-2101 Fri, 16 Jan 2026 02:28:53 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-325cc-alum-heads-magnum-117cc-assembled-2101/ Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 325 cc Intake – 117 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair Attributes: Product Line: Magnum Comp Assembled/Bare: Assembled Chamber Volume: 117 cc Plug Angle: Angle Intake Runner Volume: 325 cc […]

    The post AIR FLOW RESEARCH BBC 325cc Alum Heads Magnum 117cc Assembled- 2101 appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 325 cc Intake – 117 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: Magnum Comp
  • Assembled/Bare: Assembled
  • Chamber Volume: 117 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 325 cc
  • Exhaust Runner Volume: 132 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.360 in
  • Intake Port Width: 1.685 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.720 in
  • Exhaust Port Width: 1.920 in
  • Intake Valve Size: 2.300 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: CNC Machined
  • Exhaust Runner Finish: CNC Machined
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 15 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    Partially CNC Ported

    The post AIR FLOW RESEARCH BBC 325cc Alum Heads Magnum 117cc Assembled- 2101 appeared first on Drivar Auto Parts.

    ]]> 44837 AIR FLOW RESEARCH BBC 345cc Alum Heads Magnum 117cc Assembled- 2110 https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-345cc-alum-heads-magnum-117cc-assembled-2110/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-345cc-alum-heads-magnum-117cc-assembled-2110 Fri, 16 Jan 2026 02:28:53 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-345cc-alum-heads-magnum-117cc-assembled-2110/ Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 345 cc Intake – 117 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair Attributes: Product Line: Magnum Comp Assembled/Bare: Assembled Chamber Volume: 117 cc Plug Angle: Angle Intake Runner Volume: 345 cc […]

    The post AIR FLOW RESEARCH BBC 345cc Alum Heads Magnum 117cc Assembled- 2110 appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 345 cc Intake – 117 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: Magnum Comp
  • Assembled/Bare: Assembled
  • Chamber Volume: 117 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 345 cc
  • Exhaust Runner Volume: 132 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.435 in
  • Intake Port Width: 1.765 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.720 in
  • Exhaust Port Width: 1.920 in
  • Intake Valve Size: 2.300 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: CNC Machined
  • Exhaust Runner Finish: CNC Machined
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 15 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    Partially CNC Ported

    The post AIR FLOW RESEARCH BBC 345cc Alum Heads Magnum 117cc Assembled- 2110 appeared first on Drivar Auto Parts.

    ]]> 44841 AIR FLOW RESEARCH BBC 345cc Alum Heads Magnum 121cc Assembled- 2110-1 https://drivarautoparts.com/shop/engines-and-components/cylinder-heads-and-components/cylinder-heads/air-flow-research-bbc-345cc-alum-heads-magnum-121cc-assembled-2110-1/?utm_source=rss&utm_medium=rss&utm_campaign=air-flow-research-bbc-345cc-alum-heads-magnum-121cc-assembled-2110-1 Fri, 16 Jan 2026 02:28:53 +0000 http://167.71.100.74/shop/uncategorized/air-flow-research-bbc-345cc-alum-heads-magnum-121cc-assembled-2110-1/ Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 345 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair Attributes: Product Line: Magnum Comp Assembled/Bare: Assembled Chamber Volume: 121 cc Plug Angle: Angle Intake Runner Volume: 345 cc […]

    The post AIR FLOW RESEARCH BBC 345cc Alum Heads Magnum 121cc Assembled- 2110-1 appeared first on Drivar Auto Parts.

    ]]>     Cylinder Head – Magnum Comp – Assembled – 2.300 / 1.880 in Valves – 345 cc Intake – 121 cc Chamber – 1.625 in Springs – Angle Plug – Aluminum – Big Block Chevy – Pair

    Attributes:

  • Product Line: Magnum Comp
  • Assembled/Bare: Assembled
  • Chamber Volume: 121 cc
  • Plug Angle: Angle
  • Intake Runner Volume: 345 cc
  • Exhaust Runner Volume: 132 cc
  • Intake Port Shape: Rectangle
  • Intake Port Location: Stock
  • Intake Port Height: 2.435 in
  • Intake Port Width: 1.765 in
  • Exhaust Port Shape: Round
  • Exhaust Port Location: Raised
  • Exhaust Port Raised Distance: 0.375 in
  • Exhaust Port Height: 1.720 in
  • Exhaust Port Width: 1.920 in
  • Intake Valve Size: 2.300 in
  • Intake Valve Included: Yes
  • Intake Valve Material: Stainless
  • Intake Valve Length: 5.500 in
  • Exhaust Valve Size: 1.880 in
  • Exhaust Valve Included: Yes
  • Exhaust Valve Material: Stainless
  • Exhaust Valve Length: 5.450 in
  • Valve Spring Included: Yes
  • Intended Camshaft Style: Solid Roller
  • Maximum Lift: 0.850 in
  • Maximum RPM: 7600
  • Valve Spring Diameter: 1.625 in
  • Valve Spring Number: Dual
  • Valve Spring Damper: No
  • Valve Spring Retainers Included: Yes
  • Valve Spring Retainer Material: Chromoly
  • Valve Locks Included: Yes
  • Valve Lock Material: Chromoly
  • Valve Lock Angle: 10 Degree
  • Valve Seal Included: Yes
  • Valve Seal Style: Positive Stop
  • Valve Seal Material: Viton
  • Rocker Studs Included: Yes
  • Rocker Stud Size: 7/16-20 in
  • Pushrod Guide Plate Included: Yes
  • Guide Plate Pushrod Size: 3/8 in
  • Valve Guide Included: Yes
  • Valve Guide Material: Bronze
  • Perimeter Mount Valve Cover: Yes
  • Valve Seat Included: Yes
  • Intake Valve Seat Material: Ductile Iron
  • Exhaust Valve Seat Material: Ductile Iron
  • Valve Seat Finish: Machined
  • Combustion Chamber Finish: CNC Machined
  • Intake Runner Finish: CNC Machined
  • Exhaust Runner Finish: CNC Machined
  • Intake Valve Angle: 24 Degree
  • Exhaust Valve Angle: 15 Degree
  • Material: Aluminum
  • Color: Natural
  • Finish: Natural
  • Quantity: Pair

    Partially CNC

    The post AIR FLOW RESEARCH BBC 345cc Alum Heads Magnum 121cc Assembled- 2110-1 appeared first on Drivar Auto Parts.

    ]]> 44843