COMP Cams 1955-1986 Chevrolet C1-C4 Corvette Rocker Arms Ultra Gold SBCThe Comp Cams Ultra ARC Aluminum Series Rocker Arms increase engine power, improve valvetrain stability, and enhance oiling efficiency. Their extruded design??? developed using FEA analysis??? creates a stronger, stiffer rocker body without adding unnecessary weight. The ARC series rocker arms feature an Arced, Recessed, Countroured design delivers an optimal strength to weight ratio. Backed by a Lifetime Warranty??? buy them once and use them
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