New “Fix it” or “durability kit” New Pro X Stock / Standard 85.00mm Bore. Comes with (2) pistons, (2) sets of rings, (2) pins, (2) pairs of clips, (2) top end rod bearings, (1) Spacer kit (2 base gaskets, dowl pins, bolts, and spacer)

Pistons have holes drilled where the Exhaust and intake skirts tend to seize. These holes provide lube to prevent that. ProX pistons provide a reliable cost-effective way to maintain the engine of your sled in excellent condition. High-quality cast piston made with dedicated tooling and molding. Made from hypereutectic alloy for extra strength and reduced expansion Full MOS2 skirt coating / Riken DUAL rings.

ITEM FITS:

2013-2022 Polaris 800 CFI Engines
2013-2022 Polaris 800 Pro RMK
2013-2022 Polaris 800 Indy
2013-2022 Polaris 800 RMK
2013-2022 Polaris 800 Rush Pro
2013-2022 Polaris 800 Switchback
Twin Cylinder, 2-Stroke

(2) 01.5811.000

(1) 127319