PROX - 10.EK5805.C1 - Engine Rebuild Kit - '11-'14 Polaris Ranger RZR 4 800, Ranger RZR 800 S, RZR S 800 4x4
Engine Rebuild Kit.
Features
- Complete rotating and reciprocating rebuild kit including crankshaft assembly, main bearings and seals, pistons and components, and a complete engine gasket kit
- All components were developed through extensive research and development on Pro-X in-house engine dyno
- Crankshafts come completely assembled using Maxima® assembly lube and are inspected in-house for proper dimensions and trueness
- Connecting rods feature proprietary design done in-house, and are forged, heat-treated and shot-peened for ultimate tensile strength and reduced stress risers
- Connecting rods include graded bearings in the big end to ensure proper clearance, as well as a bronze bushing in the small end, both improving longevity and performance
- Pistons are cast from OEM-grade alloy and feature MOS2 skirt coating and hard-anodized crown and ring grooves for improved performance and wear resistance through reduced friction and improved heat resistance
Specs
- Engine Type: 4-Stroke
- Product Name: Rebuild Kit
- Riding Style: UTV
- Piston Material: Cast
- Bore - Oversize: +0,02 mm
- Compression Ratio: 10.0:1
- Units: Kit
- Bore - Oversize: +0.02 mm
- Displacement: 760 cc
- Bore Size: 80.02 mm
- Cooling System: Liquid Cooled
- Type: Engine
- Piston Material: Aluminum Alloy
- Skirt Coating: Moly Coated
Frequently Asked Questions - PROX - 10.EK5805.C1 - Engine Rebuild Kit - '11-'14 Polaris Ranger RZR 4 800, Ranger RZR 800 S, RZR S 800 4x4
How do I know if this part fits my vehicle?
Check the fitment information listed on this page against your exact year, make, model, and (where applicable) trim, engine size, or configuration. If your exact vehicle isn't listed, or you're not sure, use the product chat on this page or contact our support team before ordering - we're glad to help confirm fitment.
What does it mean if a product is listed as universal fit?
Universal fit means the product is designed to work across a range of vehicles, not that it's guaranteed to fit every one. Compare the listed measurements, mounting requirements, and connector or hardware specs against your specific vehicle before ordering, since some installations may need additional hardware or minor fabrication.
Where can I find installation instructions for this product?
General installation notes are provided above where available. For detailed step-by-step instructions, refer to the manufacturer's documentation included with the product, or use the product chat on this page for questions about difficulty, required tools, or whether professional installation is recommended.
What if I have more questions about this product?
Use the product chat on this page for fitment, specs, installation, and compatibility questions, or contact our support team directly for help before you order.
