S&S CYCLE Retro Top-End Conversion Kit — 3.625 in bore – 66-84 Big Twin, 79-84 Touring, 82-84 FXR, 84 Police

The Retro Top-End Conversion Kit gives your Shovelhead engine the nostalgic look of a Panhead while providing modern, serviceable components. 🔧

The kit consists of a set of S&S P-series cylinder heads with rocker cradles, S&S roller rocker arms, S&S hydraulic tappets, billet tappet guides, Quickee pushrods, pushrod cover clips and all required gaskets and hardware for assembly.

Heads have a Shovelhead bolt pattern, making them compatible with any stock or aftermarket cylinders for 66-84 Big Twins; heads come complete with valves and 0.590" lift valve springs. They accept stock or S&S O-ring-style manifolds for Shovelheads and any exhaust system made to fit a shovelhead engine. Kits do not include pan covers. 🔥