![Wiseco – Powersports Piston M06550 [MPN: 513M06550]](https://www.partskeystone.com/wp-content/uploads/2026/03/wiseco-8211-powersports-piston-m06550-mpn-513m06550-cmfmernt93231.webp)
Description
WISECO ATV-DIRT BIKE PISTONS.* All Wiseco 4 cycle pistons come complete with rings, wrist pins and circlips.* Only Wiseco replacement ring sets can be used on Wiseco pistons.* All Wiseco 2 cycle pistons are supplied with rings and circlips.* Wiseco 2 cycle pistons are not supplied with a wrist pin unless noted in the description.
- Racing Choice Pistons are 1 ring, 2-Stroke or 2 ring, 4-Stroke with reduced product weight and friction as well as increased power and throttle response
- Note that service intervals may be increased over conventional Wiseco Pistons
- 2-Stroke Pro-Lite Pistons feature lightweight forging for instant throttle response and maximum torque
- Computer engineered piston skirt profiles provide minimal cylinder wall friction
- Anti-detonation grooves and new ring land diameter eliminates ring blow-by while maximizing engine performance
- Piston kit includes pistons, rings, wrist pins and circlips
- Note that oversize requires cylinder sleeving and top end bearing is not included in kits
- 4-Stroke Pistons feature dedicated forging for lightweight and superior strength
- Race-ready dome design provides improved combustion flow and armor glide skirt coating provides reduced friction (racing applications only)
- Piston kit includes piston, rings, wrist pin and circlips
- Note that oversize requires cylinder sleeving
![Wiseco – Powersports Piston M08550 [MPN: 451M08550]](https://www.partskeystone.com/wp-content/uploads/2026/03/wiseco-8211-powersports-piston-m08550-mpn-451m08550-lvsbchny32028.webp)
![Wiseco – Powersports Piston M06800 2577CD YZ/WR250 ’88-91 [MPN: 605M06800]](https://www.partskeystone.com/wp-content/uploads/2026/03/wiseco-8211-powersports-piston-m06800-2577cd-yz-wr250-8217-88-91-mpn-605m06800-npzeygik38842.webp)
![Twin Power Circlips for Cast Replacement Pistons [MPN: 1.4*27NW]](https://www.partskeystone.com/wp-content/uploads/2026/03/twin-power-circlips-for-cast-replacement-pistons-mpn-1-4-27nw-prqzxiah57873.webp)
Reviews
There are no reviews yet.