Part Description

KB Performance, 1340cc Evo B.T. pop-up piston kit. +.010"

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.

Spezification

Article-No.:

944667

Manufacturer/Distribution:
KB PISTONS / Motorcycle Storehouse

Packaging Unit:

SET

Catalog page:

673