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Pioneer Automotive Industries H/P Rocker Stud. Designed as a direct OEM replacement for reliable engine performance.

Engine Rocker Arm Kit; Roller Tip Rocker Arms; Chevy Gen IV - LS-Series 1.80 Billet Aluminum

Performance Lash Adjuster Set for '05-'10 Ford 4.6/5.4 3 Valve; Designed to reduce excessive leak down at high RPM in Ford 4.6L 4V Modular engines, these performance lash adjusters ensure valvetrain stability with greatly improved durability.

Rocker, 17-4ph SS, FORD 289-351W 1962-01, 1.6 x 7/16, AMC-OLDS V8; ROCKERS, 17-4ph STAINLESS, FORD 289-351W 1962-01, 1.6 x 7/16, AMC-OLDS V8

Ultra Pro Magnum 1.5 Ratio Shaft Mount Rocker Arm Kit for Chrysler 383-440 B/RB; Complete with bolts, shafts and spacers, this 1.5 Ultra Pro Magnum shaft-mount rocker system for Chrysler 383-440 B/RB is made from 8620 chromemoly, handles higher spring rates, a unique oil system and an adjuster that allows ball pushrods.

Ultra ARC Rocker w/ 1.5 Ratio for Pontiac 265-455 w/ 7/16" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. This 19060 rocker features a 1.5 ratio for use with 7/16" stud Pontiac 265-455.

Stock Replacement Rocker Arm Kit

Pioneer Automotive Industries Rocker Stud. Designed as a direct OEM replacement for reliable engine performance.

Pioneer Automotive Industries Rocker Arm. Designed as a direct OEM replacement for reliable engine performance.

Rocker, 15-5ph SS, GM LS1 5.7L 1997-08, 1.7 x 3/8x 5/16 Kit w/o PR; Rocker Arm Kit; 17-4ph Stainless; 1.7 x 3/8 in.; Incl. 16 PRW Full Roller Stud Mount Rockers/Needle Roller Trunion Bearing/PRW RockerLoc Adjusters/Studs/5/16 in. Guideplates;

High Energy Rocker w/ 1.6 Ratio for Ford 351W w/ Pedestal Mount; Perfect for stock or High Energy camshaft equipped engines, our High Energy rockers eliminate slop and feature a long slot for higher lift cams. This 1235 rocker features a 1.6 ratio for pedestal mount Ford 351 Windsor.

Ultra Pro Magnum 1.5 Ratio Left Shaft Mount Rocker Arm for Chrysler 383-440 B/RB; This 1.5 ratio Ultra Pro Magnum left rocker arm replaces the left oriented rocker arms that come with our 1621-16 Ultra Pro Magnum Shaft-Mount Rocker system for Chrysler 383-440 B/RB.