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MOPAR 383-440, aluminum Shaft Mount Rocker Arm

● 6061 extrusion aluminum rocker bodies
● Carburized and hardened 4120 steel shaft
● Black oxide pushrod cup and Cr40 roller tip.
● 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. Easy installation reduces learning costs and errors. Comes with a full set of hardware including valve lash adjusters, shims, and fasteners, studs & bolts.
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