2008-2009 Polaris Sportsman 800 EFI H.O. Complete Engine Rebuild Kit | Standard Bore | NEW ProX | Part #10.EK5805.A
Offered here is a brand-new, genuine ProX Part #10.EK5805.A complete engine rebuild kit, still in the original ProX package. ProX #10.EK5805.A is a full rotating and reciprocating assembly that brings your Sportsman 800 EFI H.O. engine back to like-new performance. Crankshaft, bearings, seals, pistons and gaskets come together in one kit, so a professional-grade rebuild is ready to go out of the box.
Confirmed Fitment – Part #10.EK5805.A:
- 2008-2009 Polaris Sportsman 800 EFI H.O.
Product Highlights:
- 100% Genuine ProX – Part #10.EK5805.A
- Brand new in the original ProX package
- Standard bore, A-grade kit
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Fully assembled crankshaft, pre-lubricated with Maxima assembly lube and factory-inspected for proper dimensions and trueness
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Proprietary forged connecting rods, heat-treated and shot-peened for maximum tensile strength and reduced stress risers
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Graded big-end rod bearings for precise clearance, plus bronze small-end bushings for longer life
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High-performance cast pistons made from factory-grade alloy, with MoS2 skirt coating for reduced friction
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Hard-anodized piston crowns and ring grooves for better wear resistance and heat dissipation
- Premium Japanese-sourced Koyo main bearings with factory-quality seals
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Complete gasket kit for proper sealing throughout the engine
- Cross-references to Drag Specialties / Parts Unlimited #0903-1693
What Is Included:
- Fully assembled crankshaft with connecting rods
- Koyo main bearings and seals
- Piston kits for both cylinders
- Complete engine gasket kit
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Please confirm Part #10.EK5805.A fits your ATV prior to purchase. We ship quickly from our own stock, packed securely and fully tracked to your door. Buy with confidence from a family-owned business with nearly 25 years of experience.
