Chevy SBC 350 1.6 7/16" Aluminum Roller Rocker Arm Set

Speedmaster Blacklabel Series Aluminum Rocker Arms are used around the world by professional racers, engine builders and hot rod enthusiasts, offering outstanding power and performance advantages for street, strip, and track applications. Made from high strength 6061-T6 aluminum extrusions, each piece is precision CNC machined and finished by hand to ensure that out customers receive the very best Speedmaster has to offer. Speedmaster stud mount aluminum rockers are specially machined to allow for larger springs and retainers with full-cage friction reducing bearings for added durability. The nose rollers and shafts are Cr40 steel, heat-treated and hardened to minimize wear that naturally occurs between the roller tip and the valve stem. Self Aligning Roller Rockers feature guides that eliminates the need for aftermarket studs, guide plates, hardened pushrods. Perfect for heads with pressed in studs or where guide plates are not desired. Benefits/Characteristics Rated at 750 lbs. open spring pressure Speedmaster Polylocks included Internal Oiling system for long lasting performance Wide assortment of ratios to suit almost any cam profile Features full complement friction reducing needle bearings