Magnum Roller 1.65 Ratio Rocker Arm Set for Pontiac 265-455 w/ 7/16" Stud 1999 camaro 4140 Chrome Moly tube adaptors

4140 Chrome Moly tube adaptors and a high strength 4140 Chrome Moly heat treated 1

Transform your A-body into a high-performance powerhouse with UMI's Stage 5 Kit

The kit includes all necessary hardware and instructions for an easy installation you can do at home

Performer roller chain sets are engineered to operate up to 6500 rpm

These adjustable upper a-arms are designed to excel in Pro-Touring

Magnum Roller 1.65 Ratio Rocker Arm Set for Pontiac 265-455 w/ 7/16" Stud 1999 camaro 4140 Chrome Moly tube adaptorsour 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of pressure. These 1452 rockers feature a 1. 65 ratio for 7 16" stud Pontiac 265 455.