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 seized. 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:
2010-2012 Polaris 800 CFI Engines
2010-2012 Polaris 800 Pro RMK
2010-2012 Polaris 800 Indy
2010-2012 Polaris 800 RMK
2010-2012 Polaris 800 Rush Pro
2010-2012 Polaris 800 Switchback
Twin Cylinder, 2-Stroke
(2) 01.5811.000
(1) 127318