The Yukon ring-and-pinion gear set for 1955–1964 GM passenger cars (55P) in a 3.36 ratio is a direct-fit replacement engineered to OEM spec. Yukon refines the gear tooth surface to reduce friction and heat and uses high‑grade steel in both ring and pinion for a consistent structure and finish. Fits 1955–1964 GM passenger car applications with an 8.40 in. ring gear, 10 ring gear bolts and a 17‑spline pinion.
Yukon Gear High Performance Gear Set For GM Chevy 55P in a 3.36 Ratio