Yamaha Raptor 660R (2001-2005)

Wiseco Part # 4966M10000 Std Bore 100MM Piston 9.9:1 

Brand New in Factory Packaging

Wiseco pistons are known for durability, longevity, and increased horsepower. Innovative forging design and piston skirt provides maximum horsepower and torque.

What are the advantages to using Wiseco Pistons?

•  All Wiseco Pistons are Forged from high silicon, low expansion aluminum alloy which offers superior strength, reduced weight, improved heat transfer and longer life.
• Forged reinforced dome features waffle design for improved heat transfer and additional strength.
• CNC computerized high-speed Diamond Turning Centers hold exact tolerances with no size variations.
• Closer wrist pin boss spacing eliminates wrist pin flex

Ships out as soon as payment is received.

CHECK OUT MY EBAY STORE BY CLICKING ON RED STORE BOX HERE.