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:
2008-2009 Polaris 800 CFI Engines
2008-2009 Polaris Dragon 800 RMK
2008-2009 Polaris Switchback
2008-2009 Polaris shift
2008-2009 Polaris IQ
2008-2009 Polaris Assault
Twin Cylinder, 2-Stroke
(2) 01.5811.000
(1) 127317