CP Pistons Yamaha Sidewinder / Arctic Cat 9000 2017-2020 9.0:1 80mm Kit - Set of 3

This CP Pistons forged piston kit is a replacement set for the 2017-2020 Yamaha Sidewinder and Arctic Cat 9000 series (998cc turbo triple). It runs an 80mm standard bore with a 66.2mm stroke and a 9.0:1 compression ratio, built for boosted use. Sold as a set of 3 with rings, pins, and locks.

Specifications

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy