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Ultra Pro Magnum Rocker Arm Set w/ 1.6 Ratio for Ford 289-351W w/ 7/16" Stud; These Ultra Pro Magnum rockers are made of black oxide coated 8650 chromemoly steel that can withstand up to 850 lbs of spring pressure. Featuring a 1.6 ratio, these rockers fit Ford 289-351W with a 7/16" diameter stud.

High Energy Aluminum 1.6 Ratio Roller Rocker Set for SBC 265-400 w/ 3/8" Stud; With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, these rockers fit Chevrolet 265-400 Small Blocks w/ 3/8" studs.

Rocker Arm Adjusters Nut Kit

High Energy Aluminum 1.6 Ratio Roller Rocker Set for SBC 265-400 w/ 7/16" Stud; With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, these rockers fit Chevrolet 265-400 Small Blocks w/ 7/16" studs.

Rocker Arms, 6061 Billet Alum, Chev 262-400 1955-86, 1.5 X 7/16"; 16 pc.

High Energy Aluminum 1.6 Ratio Roller Rocker Set for Ford 289-351W w/ 3/8" Stud; With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. Featuring a 1.6 ratio, these rockers fit Ford 289-351W w/ 3/8" studs.

High Energy Aluminum 1.6 Ratio Roller Rocker Set AMC, SBF, Olds w/ 7/16" Stud; With a needle bearing fulcrum and a roller tip, our die cast aluminum rockers decrease friction and improve horsepower. These self-aligning rockers fit AMC 290-401, Ford 289-351W and Olds 260-455 w/ 7/16" studs.

Trunnion Upgrade Kit for GM LS1/LS2/LS3/LS6 Rocker Arms.; Our trunnion upgrade kit converts a stock LS series rocker arm into a captured trunnion for increased stability and stiffness. Compatible with stock geometry, our trunnion kit can be performed in 30 minutes with a C-clamp or a bench vise.

The Edelbrock #6009 Rocker Shaft Stud Kit provides better rocker shaft retention, eliminates wear of the threads and the possibility of bottoming the bolts in the head. The #6009 is highly recommended for Edelbrock FE Cylinder Heads.

Replacement Adjusting Nut Set for Magnum Rockers w/ 7/16" Stud; The 1401N-16 adjusting nuts replace the nuts that come with our 7/16" stud Magnum roller tip rockers.

LS1 Rocker Arm Set 1.7 Ratio (OEM)

Magnum Roller 1.72 Ratio Rocker Arm Set BBC, Ford 429-460, 351C/M w/ 7/16" Stud; Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of spring pressure. This 1411 rocker features a 1.72 ratio for 7/16" stud Ford 351C, 429-460 and Chevrolet 396-454 Big Block