Wiseco Pro-Lite Piston Kit - 605M06850 Yamaha YZ 250 / WR 250 1988-1991 Product Type_Dashes & Gauges Designed to meet or exceed

Designed to meet or exceed all the original equipment specifications

Model Hi-Performance Product Name Cooling Fan Flow Rate 440 CFM Riding Style ATV Units Each Color/Finish Black

(5 mm) steel rod stock for maximum strength and durability

7/8" diameter to work on stock pit bike clamp diameter

Wiseco Pro-Lite Piston Kit - 605M06850 Yamaha YZ 250 / WR 250 1988-1991 Product Type_Dashes & Gauges Designed to meet or exceedFeatures 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 Features forged pistons, rings, wrist pins, and circlips These high tech piston designs offer maximum compression ratios, ultra stiff