Browse Catalog

Magnum Roller 1.52 Ratio Rocker Arm Set for Chevrolet SBC w/ 3/8" Stud; Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of spring pressure. These 1412 rockers feature a 1.52 ratio for 3/8" stud Chevrolet 265-400 Small Block.

Magnum Roller 1.52 Ratio Rocker Arm Set for '88+ Chevrolet SBC w/ 3/8" Stud; Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of pressure. These 1417 self-aligning rockers feature a 1.52 ratio for 3/8" stud Chevrolet 265-400 Small Block.

Magnum Roller Rocker Arm Set w/ 1.6 Ratio for AMC, Ford and Oldsmobile 3/8" Stud; Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of spring pressure. These 1442 rockers feature a 1.6 ratio for 3/8" stud AMC 290-401, non-rail Ford 289-351W and Olds 260-455.

Ultra Pro Magnum XD Rockers w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16" Stud; Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1820 rockers feature a 1.7 ratio for use with 7/16" stud Chevrolet 396-454 Big Block.

High Energy Rocker Set w/ 1.5 Ratio for Chevrolet Small Block w/ 3/8" Stud; Perfect for stock or High Energy camshaft equipped engines, our High Energy rockers eliminate slop and feature a long slot for higher lift cams. These 1212 rockers feature a 1.5 ratio for 3/8" stud Chevrolet 265-400 Small Block.

Trunnion Upgrade Kit for GM LS7 and GEN V LT1; Our trunnion upgrade kit converts an OE GM LS7 and GEN V LT rocker into a captured trunnion for higher stability and stiffness. Compatible with stock geometry, our trunnion kit can be performed in 30 minutes with a C-clamp or a bench vise.

Rocker Arm Adjusting Nut Kit for Late Model Big Block Chevrolet; Complete with our 4514 studs, spacers and adjusting nuts, this kit adapts your late model Big Block Chevrolet engine to an adjustable valvetrain.

Hi-Tech Polylock Set for 3/8" Stud Ultra Pro Magnum Rockers; The best polylock for high end race applications, these Hi-Tech polylocks are designed for 3/8" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.

Magnum Polylock Set for 3/8" Rocker Stud; Tapered for extra strength in locking points, our Magnum polylocks are 1.300" tall with a .612" diameter for use with 3/8" stud rockers.

High Energy Polylock Set for 3/8" Rocker Stud; Perfect for moderate lift and spring pressure, these High Energy polylocks fit 3/8" stud rockers.

Ultra Pro Magnum Rocker Arm Set of 8 w/ 1.52 Ratio Chevrolet 7/16" Stud; 7/16" Stud, 1.52 Ratio

Ultra ARC Break-In Rocker Set w/ 1.3 Ratio for Chevrolet SBC w/ 7/16" Stud; Perfect for initial break-in, these Ultra ARC rockers for Chevrolet Small Blocks reduce valve lift by limiting the rocker ratio to 1.3. A great asset to engine builders who prefer to limit the valve lift over removing an inner spring.