KB Performance Piston KB Performance, 88″ to 95″ big bore piston set. Std

Description

KB Performance Piston KB Performance, 88″ to 95″ big bore piston set. Std

99-06 Twin Cam (NU)

88″ to 95″ big bore conversion. Used with stock heads and cylinders. By boring the stock cylinders from 3-3/4″ to 3-7/8″ big bore size engine capacity will increase from 88″ to 95″. High compression (pop-up). 10.5:1 CR. Piston weight 437gr. Piston pin weight 97gr. / Head type: Dome. Dome -11.2cc / Compression height 1.270″. Bore 3.875″ / Stroke 4.000″. Rod length 7.667″ / Cylinder length 4.938″. 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.

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