Black drawn steel brake drum is a replacement with the sprocket and dust shield riveted on

Installs below bar together with the mirror stem

Includes all parts you need between the OEM style starter motor and the starter ring gear

Fits: > L84-89 Big Twin

S&S Forged Piston Kit oversize .060" 1936-79 Top End Parts Shovelhead 1966-84 Black drawn steel brake drumForged piston set. For 41 78 1200cc (74") Knuckle, Panhead, Shovel and 1340cc Shovel. Fits engines with stroker flywheels and stock 3 7 16" (1200cc) or 3 1 2" (1340cc) cylinders with stock 5. 330" length. Compression will be approx 8. 4: 1 with 4 1 2" stroke, 9. 4: 1 with 4 5 8 stroke and 10. 8 with 4 3 4" stroke. Piston dome volume 50cc. The advanced alloy and piston skirt profile for low noise and long engine life. Pistons include wrist pins, wrist