- 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
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2013-2014 | Polaris | Ranger 800 EFI | |
| 2013 | Polaris | Ranger 800 EFI EPS | |
| 2013 | Polaris | Ranger 800 LE EFI | |
| 2013-2014 | Polaris | Ranger 800 LE EFI EPS | |
| 2013 | Polaris | Ranger 800 LE Midsize EFI | |
| 2013-2014 | Polaris | Ranger 800 Midsize EFI | |
| 2013-2014 | Polaris | Ranger Crew 800 | |
| 2010-2012 | Polaris | Ranger Crew 800 4x4 EFI | |
| 2010-2012 | Polaris | Ranger Crew 800 4x4 EFI EPS | |
| 2012 | Polaris | Ranger Crew 800 4x4 LE EFI EPS | |
| 2013 | Polaris | Ranger Crew 800 LE EPS | |
| 2010 | Polaris | Ranger HD 800 4x4 EFI | |
| 2010 | Polaris | Ranger XP 800 4x4 EFI | |
| 2010 | Polaris | Ranger XP 800 4x4 EFI EPS | |
| 2010 | Polaris | RZR 800 EFI | |
| 2010 | Polaris | RZR 800 EFI EPS | |
| 2010 | Polaris | RZR S 800 EFI | |
| 2009-2014 | Polaris | Sportsman 800 6x6 EFI | |
| 2007 | Polaris | Sportsman 800 Deluxe EFI | |
| 2007-2009 | Polaris | Sportsman 800 EFI | |
| 2011-2014 | Polaris | Sportsman 800 EFI | |
| 2010 | Polaris | Sportsman 800 EFI HO | |
| 2008-2009 | Polaris | Sportsman 800 Touring EFI | |
| 2005-2006 | Polaris | Sportsman 800 Twin EFI | |
| 2007 | Polaris | Sportsman X2 800 Deluxe EFI | |
| 2007-2009 | Polaris | Sportsman X2 800 EFI | |