COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 3/8 in Stud Mount - 1.50 Ratio - Gold - Small Block Chevy / GM V6 JB2SM Lincoln and Mercury C4 automatic

Lincoln and Mercury C4 automatic transmissions

Silicone Spark Plug Boots

Supplied with each caliper are our Composite Metallic (CM) high-friction

1989-1990 Chevrolet R3500

23 x 12 x 10

COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 3/8 in Stud Mount - 1.50 Ratio - Gold - Small Block Chevy / GM V6 JB2SM Lincoln and Mercury C4 automaticThese COMP Cams Ultra Gold Aluminum Roller Rocker Arms with a 3 8" stud diameter and 1. 5 ratio are designed for Chevrolet V8 265 400 applications. The new modern design features of these Ultra Gold Rockers are proven to withstand extremely aggressive spring pressure and valve lift. Designed specifically for high performance street and race engines, the Ultra Gold Aluminum Rocker Arms are precision CNC machined to strict tolerances. Developed to meet