KB Performance, 1340cc Evo B.T. piston kit. STD - 84-99 1340cc Evo B.T. (NU) 513387 062" with fire-ring and armor

062" with fire-ring and armor

De-pin the 6-position connector under the tank and add the extension harness

7mm) OD guides and 5/16" (7

The late style carburetor body housing can be identified by the text 'Made In USA' next to the text 'SHORTY'

Available in a chrome or black finish

KB Performance, 1340cc Evo B.T. piston kit. STD - 84-99 1340cc Evo B.T. (NU) 513387 062" with fire-ring and armor8. 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.