Machined smooth heads.
MOS 2 Coating:.
Draws heat through piston walls and out the bottom.
Reduces heat and friction, for added power and longevity.
Helps eliminate cold seizures, and increases durability.
Hard anodized crowns.
Hypereutectic Cast.


fits Arctic Cat™ Blast XR 4000 2022
fits Arctic Cat™ Blast XR 4000 Touring 2022
fits Arctic Cat™ M 8000 Alpha One 154 2020
fits Arctic Cat™ M 8000 Alpha One 165 2020
fits Arctic Cat™ M 8000 Hardcore Alpha One 146 2022
fits Arctic Cat™ M 8000 Hardcore Alpha One 154 2020-2022
fits Arctic Cat™ M 8000 Hardcore Alpha One 154 2.6in. 2022
fits Arctic Cat™ M 8000 Hardcore Alpha One 165 2020-2022
fits Arctic Cat™ M 8000 Hardcore Alpha One ES 154 2020-2022
fits Arctic Cat™ M 8000 Hardcore Alpha One ES 154 2.6in. 2022
fits Arctic Cat™ M 8000 Hardcore Alpha One ES 165 2020-2022
fits Arctic Cat™ Norseman X 8000 2021
fits Arctic Cat™ Riot 8000 1.35in. 2020
fits Arctic Cat™ Riot 8000 1.6in. 2020
fits Arctic Cat™ ZR 8000 Limited ES 137 2020-2022
fits Arctic Cat™ ZR 8000 Limited ES 137 iACT 2020
fits Arctic Cat™ ZR 8000 Limited ES ATAC 137 2021-2022
fits Arctic Cat™ ZR 8000 RR ES 137 2020-2022
fits Arctic Cat™ ZR 8000 Sno Pro ES 137 2020
fits YAM MM8 Mountain Max LE 154 2021-2022
fits YAM MM8 Mountain Max LE 154 SL 2022
fits YAM MM8 Mountain Max LE 165 2021-2022
fits YAM SXV4 SXVenom 2021-2022
fits YAM SXV4 SXVenom Mountain 2021-2022
fits YAM TR8 Transporter 800 2021-2022


*Free to the contiguous United States consisting of the 48 adjoining U.S. states plus Washington, D.C., on the continent of North America. Free is not available to non-contiguous states of Alaska and Hawaii, US Protectorates, or APO, FPO or DPO locations. Photos are for reference only. Actual product may differ from the item shown in photograph.