KB PERFORMANCE, 1340CC EVO B.T. POP-UP PISTON KIT. +.010", 1340CC EVO B.T. POP-UP PISTON KIT. +.010"

Beskrivelse
Pop-up high compression. 9.5:1 CR. Piston weight 392gr. Piston pin weight 97gr. Head type: Dome. Dome -9cc. 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.

Fits: > 84-99 1340 Evo B.T. (NU)