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Oldsmobile V8 350-455 Aluminum roller rocker arm

● 6061-T6 extrusion aluminum rocker bodies
● Customized color Anodized surface
● Capable of withstanding valve spring loads up to 600lbs
● Wide assortment of ratios to suit almost any cam profile
● Internal oiling system for long-lasting performance
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●This series rocker arm is made from high-strength 6061-T6 aluminum extrusions, with a lightweight design.
●CNC ground trunnion with high-performance needle roller bearings for good rocker arm operation.
●Pushrod cups are heat treatment hardened and black oxide coated.
●The surface can be finished by hand or sandblasted as an option.
●Cr40 steel rollers and shafts are centerless ground.
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