KB Performance Piston
KB Performance, 96" to 103" Twin Cam piston kit. STD
KB Performance, 96" to 103" Twin Cam piston kit. STD
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Forged piston set. For 96" (3-3/4") to 103" (3-7/8") big bore conversion. 9.5:1 CR with stock 85cc head. Piston weight 335gr. Piston pin weight 89gr. Piston pin dia. .927" / offset. Head type: Dish with +6.9cc. Compression height 1.076". Bore 3.875". Stroke 4.375" (4-3/8"). Rod length 7.667". Cyl. length 4.938". Note: All KB forged pistons come equipped with offset wrist pins / piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with each piston set; prior to installation.
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