Wiseco Pro-Lite Piston Kit - 605M06850 Yamaha YZ 250 / WR 250 1988-1991 Brand_Airhead Sports Group a high-performance compound with 80%

a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance

Double-ended Torx Bits

498" Product Name Piston Units Kit Piston Diameter 3

Model Ultra-Seal Product Name Air Filter Base Color Red Style Competition Units Each Type Stage II Color/Finish Red Riding Style Street Features Washable Filter Media Material Foam Filter Media Style Dual-Layer Riding Style Adventure Touring / Dual-Sport Filter Shape Triangular

(2) 7/16" 90° Banjo fitting

Wiseco Pro-Lite Piston Kit - 605M06850 Yamaha YZ 250 / WR 250 1988-1991 Brand_Airhead Sports Group a high-performance compound with 80%Features 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