0 to 1/4 in Tread Depth
Improves engine's ability to breathe and cooler operating engine temperature
Use also in light duty manual transmissions to increase shifting ease and transmission life
no special parts required
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