AIR FLOW RESEARCH BBC 300 CFM CNC Cylinder Heads (pr) O/P Assem.- 3670

$4,740.62

SKU MTS-AFR3670
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Description

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

  • Specification

    Weight 94 lbs
    Dimensions 23.5 × 19.5 × 9 in
    Brand

    AIR FLOW RESEARCH

    Part Number

    3670