The Mechanical Solid Roller 283R emphasizes super-strong low-end torque and is best used with about 10.5:1 compression and a single-plane intake. Recommended stall speed is 3500+ in 440 applications and around 3800 in 383 installations. It’s suited to builders seeking improved low-end response while matching converter and intake components appropriately.
COMP Cams Camshaft CRB3 283R-8