Vipparmssats

Ultra Pro Magnum Rocker Arm Set w/ 1.52 Ratio for Chevrolet SBC w/ 3/8" Stud

ULTRA Pro Magnumââ??¢ Roller Rocker Arms. The Ultra Pro Magnumââ??¢ Roller Rocker Arms not only live up to the lofty standards of the original Pro Magnumââ??¢ Rockers but they also take Stud mount Rocker performance stability and value to a whole new level. The modern arched web-like design delivers increased strength and rigidity while still reducing the moment of inertia and optimizing the dynamic balance. Applications: Chevrolet Small Block 265-400 c.i.d. V8 3/8" Studs / 1.52:1 Ratio.

Investment cast 8650 chromemoly body and arched weblike design deliver increased strength and rigidity while reducing M.O.I.

Unique black oxide exterior finish helps prevent corrosion thus increasing durability

Increased retainer and valve spring clearances allow use of large diameter springs retainers and +.050" locks with o clearance or fitment issues

Feature Oversized trunnions precision-sorted needle bearings and hardened Roller tips

withstand valve spring pressures up to 850 lbs.

Also Available in A Rocker/Pushrod Kit