These COMP Cams Ultra-Gold Aluminum Break-In Rocker Arms with a 7/16" stud diameter and 1.3 ratio are designed for Chevrolet V8 265-400 applications. They aid the break-in procedure with lower than stock ratios by eliminating the excess open spring pressure during the break-in process
- MPN:
- 19012-1
- Product ID:
- 4390926
