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Big Block Chevy 396-454 Aluminum Shaft Mount Rocker Arm

● 2024/6061-T6 extrusion aluminum rocker bodies, custom anodizing colors are available
● Carburized and hardened 4120 steel shaft
● CNC machined pedestal, black oxide surface after tempering treatment.
● High-Performance Needle Roller Bearings
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●Y&J extruded aluminum and stainless steel shaft mount rocker system are precisely machined and rigorously tested to match valvetrain components. 
●Comes with a full set of hardware including valve lash adjusters, shims, fasteners, and studs & bolts.
●Easy installation reduces learning costs and errors.
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