PISTON KIT 08-11 YZF250 77.00, WISECO 4952M07700 YAMAHA

Part No. 56-W4952.WI (oro2u.com)
Yamaha YZ250F YZF250 2008-2011,
Wiseco 4952M07700 77.00mm 13.5:1 Compression 250cc Motorcycle Piston Kit.
Forged from high-silicon aluminum alloy for maximum strength and dependability

Wiseco offers a complete range of popular piston models and years for both trail and racing applications Durability, longevity and increased horsepower Innovative forging design and piston skirt provide maximum horsepower and torque All Wiseco High-Performance Motorcycle Pistons come with rings and circlips