Forged piston set. For 96″ to 103″ 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.
- Category: Pistons and rings kits
- Manufacturer part number: KB907C005
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