The Edelbrock Red Roller individual rocker arm is a 1.6:1 replacement for small‑block Chevy applications using 3/8" studs. Manufactured in the USA from 7129 grade aluminum, each rocker is CNC‑machined, micro‑polished and anodized for durability. Centerless‑ground trunnion race, roller pin and roller tip combined with a Torrington needle bearing fulcrum support smooth operation. Full‑body construction accommodates springs up to 1.65" and includes robust adjusting nuts and locks.
Edelbrock Rocker Arms Roller SBF 3/8In 1 6 1 Ratio Individual