Spi SM-109287 Hyperdryve Piston Kit - Standard Bore - 85.00mm tires-wheels-rims NX offers the finest braided

NX offers the finest braided stainless hoses available

1980-1982 Yamaha YZ125

1987-1994 Yamaha YFM350ER Moto-4

Complete extended cable/line install kits for Burly Ape handlebars

Spi SM-109287 Hyperdryve Piston Kit - Standard Bore - 85.00mm tires-wheels-rims NX offers the finest braidedBore: 85. 00mm Sizing: Sizing Not Available The next step in the evolution of high performance powersports pistons. Space age aluminum alloy maintains high tensile strength up to 700 F. Temperature resistance is 50% higher than conventional cast pistons. Temperature resistance improves fatigue strength and impact durability. Hyperdryve keeps you riding longer and harder than competitors pistons. Vehicle Fitment: 2017 2018 Polaris 800 PRO RMK 155 2017