NEW 331/354/392/Donovan Rocker Shafts

TOTALLY NEW Early Hemi Rocker Shafts. These Shafts are made from Hardened Steel, Ground to Exact Spec, and Hardened by a "Melonite Nitride QPQ" Treatment.
These Hemi Shafts offer a NEW improved oiling system. Shafts are designed for ALL EARLY HEMI/417 Donovan applications, including Nostalgia Top Fuel.