S&S, 114" to 128" big bore conversion cylinder & piston kit - 17-23 114" M8 Battery 045" head gasket with firering

045" head gasket with firering and silicone bead

Fits: > 66-84 Shovelhead (NU)

020" RCM (Rubber Coated Metal) base gaskets

Part #1204-2745 includes banjo bolt with brake light switch mount and wire extensions - no junction block

Includes 12mm and 18mm O2 sensor ports

S&S, 114" to 128" big bore conversion cylinder & piston kit - 17-23 114" M8 Battery 045" head gasket with fireringComplete bolt on 2092cc kit. Compatible with stock 114 engines, which have the required 4. 5" stroke. Converts the 114" engine to 128". Incl. black wrinkle cylinders with highlighted fins and a forged 4. 250" bore piston & ring kit with 1. 0805 deck height and 7. 2 cc dish volume for an 11: 1 CR with stock cylinder head combustion chamber volume. Incl. all required head & base gaskets and hardware. Provides a massive increase in capacity with bolt on