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Looking for aftermarket parts to modify or upgrade your 1990 GMC G3500 with rocker arms? At Tunersports.com we carry a huge selection of the top name brand performance rocker arm parts and accessories.
 IN STOCK - DROPSHIPS 19018-16The 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... COMP Cams Alum. Rocker Arm CS 1.6 3/8 Narrow Body - Ultra Gold 1987-1996 GMC G3500 Magnavan / Rally / Rally Camper Special / Rally STX / Vandura / Vandura Special $416.16 |