Proform Full Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Self-Align - Blue Anodized - Small Block Chevy - Set of 16 Square Steel Tubing Tubing 0 to 1/4 in Tread

0 to 1/4 in Tread Depth

Improves engine's ability to breathe and cooler operating engine temperature

Black Plated Finish

UT3000 and SX 45 Win

Proform Full Roller Rocker Arm - 3/8 in Stud Mount - 1.60 Ratio - Self-Align - Blue Anodized - Small Block Chevy - Set of 16 Square Steel Tubing Tubing 0 to 1/4 in TreadProform Extruded Aluminum Roller Rocker Arm 66915C 1. 6 Ratio 3 8 in. Stud Self Aligning w Center Hold Down Valve Covers Clamshell Package Precision machined Aluminum Lengthen Valve Train Component Life Reduce Wear On Valve Stem Tips Applications include: Bel Air, Biscayne, Blazer, Blazer K5, Brookwood, C10 Pickup, C10 Suburban, C15 Pickup, C15 Suburban, C15 C1500 Pickup, C15 C1500 Suburban, C1500 Pickup, C1500 Suburban, C20 Pickup, C20 Suburban, C25