KB Performance, 1340cc Evo B.T. piston kit. +.005" - 84-99 1340cc Evo B.T. (NU) 943648 Designed to fit OEM style

Designed to fit OEM style valve seals

This Memphis Shades combo deal includes:

Foamet gasket material has an aluminum base with a nitrile synthetic rubber foam layer on both sides

washers and mount rubbers

KB Performance, 1340cc Evo B.T. piston kit. +.005" - 84-99 1340cc Evo B.T. (NU) 943648 Designed to fit OEM style8. 5: 1 CR. Piston weight 350gr. Piston pin weight 97gr. Head type: Flat top. Dome +1. 5cc. Compression height 1. 375". Bore 3. 4980". Stroke 4. 250" (4 1 4"). Rod length 7. 440". Cyl. length 5. 550". Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise. Note: Top compression ring will need additional clearance. See instructions.