SPI Hyperdryve Piston Kit - Standard Bore - 85.00mm - 09-501-01

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