British Standard 1963-72 Triumph 650 to 750 c. Big Bore conversion kit No machining required 9:1 compression pistons Gasket kit included Made in England The ever popular Triumph big bore kit, increase your displacement and power! This kit includes everything you need to install, this kit is bolt-on: no machining required! Fits unit 650 Triumph 1963 - 1972. Included is a 750 c.
Barrel, pistons, rings, wrist pins, copper head gasket, and gasket kit. The pistons that come with this kit have a compression ratio of 9:1. The ever popular Triumph big bore kit, increase your displacement and power!