Sp1 SM-109287 Hyperdryve Piston Kit - Standard Bore - 85.00mm

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
2017-2018 Polaris 800 PRO-RMK 155 3in.
2017 Polaris 800 PRO-RMK 155 LE
2017-2018 Polaris 800 PRO-RMK 163
2017-2018 Polaris 800 PRO-RMK 163 3in.
2017 Polaris 800 PRO-RMK 163 LE
2018 Polaris 800 PRO-RMK 174
2017 Polaris 800 PRO-RMK 174 LE
2017-2018 Polaris 800 RMK Assault 155
2017 Polaris 800 RMK Assault 155 3in.
2017-2018 Polaris 800 Rush PRO-S
2017-2018 Polaris 800 Rush PRO-X
2017-2018 Polaris 800 Rush XCR
2018 Polaris 800 SKS 146
2017-2018 Polaris 800 SKS 155
2017-2018 Polaris 800 SwitchBack Adventure
2017-2018 Polaris 800 SwitchBack PRO-S
2017-2018 Polaris 800 SwitchBack PRO-X
2018 Polaris 800 SwitchBack XCR
2018 Polaris 800 Titan Adventure 155
2018 Polaris 800 Titan SP 155