S&S, 96" (1565cc) 3-5/8" big bore cylinder & piston kit 66-84 Shovel (NU). With 4-5/8" stroker flywheels

Fits all 66-84 Shovelhead models with 4-5/8" stroker flywheels. Comes complete with +.200" (5.530") 3-5/8" gloss black big bore cylinders forged pistons rings wrist pins head/base gaskets and cylinder head bolts and cylinder base nuts. This large capacity engine will give serious increase in power and torque. Compression ratio 8-1/4:1. Engine life can be expected to be good strongly depending on riding habits. Note: Crankcase spigots must be bored for 3-5/8" cylinders. Note: 4-5/8" stroker flywheels (MCS 512363) must be purchased separately. 66-84 Shovel (NU). With 4-5/8" stroker flywheels