SP1 SM-09290 T-Moly Piston Kit

The SP1 SM-09290 T-Moly piston kit is engineered to provide an efficient path for combustion chamber heat transfer to the cylinder walls. Each piston, ring, pin, and circlip is manufactured to OEM specifications, supporting reliable replacement with components designed for interchangeability with original parts.

The piston weight is compatible with the original piston, helping maintain the intended balance of the engine assembly. SP1 T-Moly Series components offer performance benefits for applicable Arctic Cat applications.

This kit includes one piston, one ring set, one wrist pin, and one circlip set. Fits 2021 Arctic Cat Blast M 4000 146-inch, Blast ZR 4000 121-inch, and Blast LT 4000 146-inch models; 2022 Arctic Cat Blast XR 4000 146-inch, Blast XR 4000 Touring 146-inch, Blast LT 4000 146-inch, Blast ZR 4000 121-inch, and Blast M 4000 146-inch models; and 2020–2021 Arctic Cat Riot 8000 146-inch/1.60-inch models.

Features:

• Heat Transfer: Engineered to provide the best possible path for combustion chamber heat transfer to the cylinder walls.
• OEM Specifications: Piston, rings, pin, and circlips are manufactured to OEM specifications.
• Interchangeable Components: Individual components are interchangeable with original parts.
• Compatible Piston Weight: Piston weight is compatible with the original piston.
• T-Moly Series: Offers performance benefits for applicable applications.
• Kit Contents: Includes 1 piston, 1 ring set, 1 wrist pin, and 1 circlip set.

Fitment:
2020 Arctic Cat M 8000 Alpha One 154"
2020 Arctic Cat M 8000 Alpha One 165"
2020 Arctic Cat M 8000 Hardcore Alpha One 154"
2020 Arctic Cat M 8000 Hardcore Alpha One 165"
2020 Arctic Cat M 8000 Hardcore Alpha One 165" ES
2020 Arctic Cat M 8000 Mountain Cat Alpha One 154"
2020 Arctic Cat M 8000 Mountain Cat Alpha One 154" ES
2020 Arctic Cat M 8000 Mountain Cat Alpha One 165"
2020 Arctic Cat M 8000 Mountain Cat Alpha One 165" ES
2020 Arctic Cat Riot 8000 146"/1.35"
2020 Arctic Cat Riot 8000 146"/1.60"
2020 Arctic Cat Riot X 8000 146"
2020 Arctic Cat ZR 8000 Limited 137" ES
2020 Arctic Cat ZR 8000 RR 137" ES
2020 Arctic Cat ZR 8000 SnoPro 137" ES
2021 Arctic Cat Blast LT 4000 146"
2021 Arctic Cat Blast M 4000 146"
2021 Arctic Cat Blast ZR 4000 121"
2021 Arctic Cat M 8000 Hardcore Alpha One 154"
2021 Arctic Cat M 8000 Hardcore Alpha One 154" ES
2021 Arctic Cat M 8000 Hardcore Alpha One 165"
2021 Arctic Cat M 8000 Hardcore Alpha One 165" ES
2021 Arctic Cat M 8000 Mountain Cat Alpha One 154"
2021 Arctic Cat M 8000 Mountain Cat Alpha One 154" ES
2021 Arctic Cat M 8000 Mountain Cat Alpha One 165"
2021 Arctic Cat M 8000 Mountain Cat Alpha One 165" ES
2021 Arctic Cat Norseman X 8000 153"
2021 Arctic Cat Riot 8000 146"/1.35"
2021 Arctic Cat Riot 8000 146"/1.60"
2021 Arctic Cat Riot X 8000 146"
2021 Arctic Cat ZR 8000 Limited 137" ES
2021 Arctic Cat ZR 8000 RR 137" ES
2021 Yamaha Mountain Max 800
2021 Yamaha Mountain Max 800 165"
2021 Yamaha SX Venom Mountain
2021 Yamaha Transporter 800
2021 Yamaha Transporter Lite
2022 Arctic Cat Blast LT 4000 146"
2022 Arctic Cat Blast M 4000 146"
2022 Arctic Cat Blast XR 4000 146"
2022 Arctic Cat Blast XR 4000 Touring 146"
2022 Arctic Cat Blast ZR 4000 121"
2022 Arctic Cat M 8000 Hardcore Alpha One 146"
2022 Arctic Cat M 8000 Hardcore Alpha One 154"
2022 Arctic Cat M 8000 Hardcore Alpha One 154" ES
2022 Arctic Cat M 8000 Hardcore Alpha One 165"
2022 Arctic Cat M 8000 Hardcore Alpha One 165" ES
2022 Arctic Cat M 8000 Mountain Cat Alpha One 154"
2022 Arctic Cat M 8000 Mountain Cat Alpha One 154" ES
2022 Arctic Cat M 8000 Mountain Cat Alpha One 165"
2022 Arctic Cat M 8000 Mountain Cat Alpha One 165" ES
2022 Arctic Cat Norseman X 8000 153"
2022 Arctic Cat Riot 8000 146"/1.35"
2022 Arctic Cat Riot 8000 146"/1.60"
2022 Arctic Cat Riot X 8000 146"
2022 Arctic Cat ZR 8000 Limited 137" ES
2022 Arctic Cat ZR 8000 RR 137" ES
2022 Yamaha Mountain Max 800
2022 Yamaha Mountain Max 800 165"
2022 Yamaha Mountain Max 800 LE
2022 Yamaha SX Venom Mountain
2022 Yamaha Transporter 800
2022 Yamaha Transporter Lite
2023 Arctic Cat Blast LT 4000 146"
2023 Arctic Cat Blast M 4000 146"
2023 Arctic Cat Blast XR 4000 146"
2023 Arctic Cat Blast XR 4000 Touring 146"
2023 Arctic Cat Blast ZR 4000 121"
2023 Arctic Cat M 8000 Hardcore Alpha One 146"
2023 Arctic Cat M 8000 Hardcore Alpha One 146" ES
2023 Arctic Cat M 8000 Hardcore Alpha One 154"
2023 Arctic Cat M 8000 Hardcore Alpha One 154" ES
2023 Arctic Cat M 8000 Hardcore Alpha One 165"
2023 Arctic Cat M 8000 Hardcore Alpha One 165" ES
2023 Arctic Cat M 8000 Mountain Cat Alpha One 146"
2023 Arctic Cat M 8000 Mountain Cat Alpha One 146" ES
2023 Arctic Cat M 8000 Mountain Cat Alpha One 154"
2023 Arctic Cat M 8000 Mountain Cat Alpha One 154" ES
2023 Arctic Cat M 8000 Mountain Cat Alpha One 154"/3.00"
2023 Arctic Cat M 8000 Mountain Cat Alpha One 154"/3.00" ES
2023 Arctic Cat M 8000 Mountain Cat Alpha One 165"
2023 Arctic Cat M 8000 Mountain Cat Alpha One 165" ES
2023 Arctic Cat Norseman X 8000 153"
2023 Arctic Cat Riot 8000 146"/1.60"
2023 Arctic Cat Riot X 8000 146"
2023 Arctic Cat ZR 8000 137" ES
2023 Arctic Cat ZR 8000 RR 137" ES
2023 Yamaha Mountain Max 800
2023 Yamaha Mountain Max 800 165"
2023 Yamaha SX Venom Mountain
2023 Yamaha Transporter 800
2023 Yamaha Transporter Lite
2024 Arctic Cat Blast LT 4000 146"
2024 Arctic Cat Blast M 4000 146"
2024 Arctic Cat Blast XR 4000 146"
2024 Arctic Cat Blast XR 4000 Touring 146"
2024 Arctic Cat Blast ZR 4000 121"
2024 Arctic Cat M 8000 Hardcore Alpha One 146"
2024 Arctic Cat M 8000 Hardcore Alpha One 154"
2024 Arctic Cat M 8000 Hardcore Alpha One 165"
2024 Arctic Cat M 8000 Mountain Cat Alpha One 146"
2024 Arctic Cat M 8000 Mountain Cat Alpha One 154"
2024 Arctic Cat M 8000 Mountain Cat Alpha One 154" ES
2024 Arctic Cat M 8000 Mountain Cat Alpha One 154"/3.00"
2024 Arctic Cat M 8000 Mountain Cat Alpha One 165"
2024 Arctic Cat Norseman X 8000 153"
2024 Arctic Cat Riot 8000 146"/1.60"
2024 Arctic Cat Riot X 8000 146"
2024 Arctic Cat ZR 8000 RR 137" ES
2024 Yamaha Mountain Max 800
2024 Yamaha Mountain Max 800 165"
2024 Yamaha SX Venom Mountain
2024 Yamaha Transporter 800
2024 Yamaha Transporter Lite
2025 Arctic Cat M 400 ES 146"
2025 Arctic Cat Norseman 400 ES
2025 Arctic Cat Riot 400 146"/1.6"
2025 Arctic Cat Riot 400 Touring ES
2025 Arctic Cat ZR 400 ES
2025 Yamaha SX Venom Mountain
2025 Yamaha Transporter 800
2025 Yamaha Transporter Lite