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Includes forged JE 89mm piston 10.5:1 piston, Rings, Clips, Pin, big bore sleeve and top end gasket set. You will have to have the big bore sleeve installed in your cylinder and bored to fit the larger piston.

Includes forged Wiseco 83mm Piston (83.00/+4.00 10.5:1), Rings, Clips, Pin.

• All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life.
• Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect finish with no size variation. Wiseco pistons can be installed in any of today’s cylinder bore compositions
• Wiseco’s state-of-the-art computerized manufacturing facility is dedicated to supplying both the high-perfomance racer and recreational enthusiast with the finest forged piston available in today’s market place.

 Top end gasket set.

• Raises compression for better low end power.
• Graphite gaskets feature a steel core, laminated on both sides with flexible graphite.
• Fiber gaskets designed for maximum seal, flexibility and torque retention.
• O-ring gaskets meet or exceed oem specifications.