Description
Rocker Arm; Ultra Pro Magnum ™; Chevy Big Block 6.5L-7.4L/396-454 Cubic Inch; 7/16 Inch Stud Diameter; 1.7 Ratio; Non Self Aligning; Roller Rocker; Chromoly; Set of 16
The new Ultra Pro Magnum™ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnums™, but they also take Stud mount rocker performance, stability & value to a whole new level. The modern arched, web like design delivers increased strength & rigidity while still reducing the moment of inertia & optimizing the dynamic balance.
Compatibility: Chevy Big Block 6.5L-7.4L/396-454 Cubic Inch
Stud Diameter: 7/16 Inch
Ratio: 1.7
Body Construction: Cast Chromoly Steel
Mount Type: Stud Mount
Roller Tip: Yes
Roller Pivot: Yes
Nut Style: Polylock
Offset: No Offset
Self Aligning: No
Maximum Spring Pressure: 850 Pound
Maximum Spring Diameter: 1.54 Inch
Quantity: Set Of 16
– Investment Cast 8650 Chromemoly Body & Arched, Web Like Design Deliver Increased Strength & Rigidity While Reducing Moment Of Inertia
– Unique Black Oxide Exterior Finish Helps Prevent Corrosion, Thus Increasing Durability
– Optimized Retainer & Valve Spring Clearances Allow Use Of Most Diameter Springs, Retainers & +0.05 Inch Locks Without Clearance Or Fitment Issues
– Feature Oversized Trunions, Precision Sorted Needle Bearings & Hardened Roller Tips
– Limited 1 Year Warranty
