COMP Cams 4554-1 Hi-Tech Rocker Arm Stud, M8 x 1.25mm, 1.500, Each
Chevy LS V8, 8mm x 1.25 Thread Pitch, 3/8"-24 Thread Pitch (2), Is Guideplate Locator Shank
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COMP Cams offers GM Gen III LS1/LS6 and Gen IV LS3 Ultra Pro Magnum Rocker Arm Kits, both of which include rocker arms, guide plates (5/16" or 3/8"), rocker studs, adjusting nuts and set screws. Designed to fit under the stock valve covers without machining, COMP GM LS Ultra Pro Magnum Rocker Arm Upgrade Kits are the simple solution upgrading the valve train components in your GM Gen III/IV engine.
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