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Kb Performance, 1340Cc Evo Big Twin Pop-Up Piston Kit. +.005" for 84-99 1340 Evo Big Twin

Kb Performance, 1340Cc Evo Big Twin Pop-Up Piston Kit. +.005" for 84-99 1340 Evo Big Twin

by KB Performance Piston
£235.76
SKU MCS944672

Description

KB Performance, 1340cc Evo B.T. pop-up piston kit. +.005"

Details

Pop-up high compression. 10.5:1 CR. Piston weight 360gr. Piston pin weight 97gr. Head type: Dome 0.200". Dome -18cc. 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.

84-99 1340 Evo B.T.