COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Gold - Small Block Chevy (Set of 16) 2-Way Radio Both Halves to 1/8 in

Both Halves to 1/8 in NPT Female

Internal Baffle to Prevent Aeration of Power Steering Fluid

GM F-Body 1984-92

Peterson 2-1/2 in OD Filters

This tells the ECU which cylinder is cylinder #1 (or the first cylinder in the firing order as entered in the software)

COMP Cams Ultra Gold ARC Aluminum Roller Rocker Arm - 7/16 in Stud Mount - 1.60 Ratio - Gold - Small Block Chevy (Set of 16) 2-Way Radio Both Halves to 1/8 inThese COMP Cams Ultra Gold Aluminum Roller Rocker Arms with a 7 16" stud diameter and 1. 6 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