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Vertex Forged Big Bore Piston Kit - Polaris Ranger 800 4x4

Part number: 23645A

$256.95

Description

+2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications Compression Ratio: 10.2:1 Cylinder Diameter: 82mm Displacement: 800cc Piston O.D.: 81.95mm Size Over Standard: 2mm Vehicle Fitment Polaris Ranger 800 4x4 (2010-2011,2013-2014) Polaris Ranger 800 4x4 Crew (2010-2014) Polaris Ranger 800 4x4 MidSize (2013-2014) Polaris Ranger 800 4x4 XP (2012) Polaris Ranger 800 6x6 (2010-2016) Polaris Ranger 800 6x6, MD Poland (2017) Polaris RZR 800 (2008-2010) Polaris RZR S 800 (2010) Polaris RZR S 800, INTL (2010) Polaris Sportsman 800 4x4 (2005-2007,2010-2014) Polaris Sportsman 800 4x4, INTL (2007) Polaris Sportsman 800 6x6 (2009-2014) Polaris Sportsman 800 X2 (2007-2009) Polaris Sportsman Forest 800 4x4 (2012-2014) Polaris Sportsman Forest 800 6x6 (2012-2015) Polaris Sportsman Touring 800 (2008-2009) Polaris Sportsman Touring 800, INTL (2008-2009) Vertex Pistons are precision-engineered for maximum performance and durability. Each kit is manufactured to OEM specifications with premium materials for a perfect fit. Backed by Vertex's quality guarantee.

Specifications

compression ratio10.2:1
cylinder diameter82mm
displacement800cc
part typeForged Big Bore Piston Kit
piston od81.95
size over std2mm
vehicle typeUTV

Listed vehicle applications

YearMakeModelNotes
2014PolarisRanger 800 4x4Vertex manufacturer-listed application: 2010-2011,2013-2014 Polaris Ranger 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2013PolarisRanger 800 4x4Vertex manufacturer-listed application: 2010-2011,2013-2014 Polaris Ranger 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2011PolarisRanger 800 4x4Vertex manufacturer-listed application: 2010-2011,2013-2014 Polaris Ranger 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2010PolarisRanger 800 4x4Vertex manufacturer-listed application: 2010-2011,2013-2014 Polaris Ranger 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2014PolarisRanger 800 4x4 CrewVertex manufacturer-listed application: 2010-2014 Polaris Ranger 800 4x4 Crew. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2013PolarisRanger 800 4x4 CrewVertex manufacturer-listed application: 2010-2014 Polaris Ranger 800 4x4 Crew. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2012PolarisRanger 800 4x4 CrewVertex manufacturer-listed application: 2010-2014 Polaris Ranger 800 4x4 Crew. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2011PolarisRanger 800 4x4 CrewVertex manufacturer-listed application: 2010-2014 Polaris Ranger 800 4x4 Crew. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2010PolarisRanger 800 4x4 CrewVertex manufacturer-listed application: 2010-2014 Polaris Ranger 800 4x4 Crew. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2014PolarisRanger 800 4x4 MidSizeVertex manufacturer-listed application: 2013-2014 Polaris Ranger 800 4x4 MidSize. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2013PolarisRanger 800 4x4 MidSizeVertex manufacturer-listed application: 2013-2014 Polaris Ranger 800 4x4 MidSize. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2012PolarisRanger 800 4x4 XPVertex manufacturer-listed application: 2012 Polaris Ranger 800 4x4 XP. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2016PolarisRanger 800 6x6Vertex manufacturer-listed application: 2010-2016 Polaris Ranger 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2015PolarisRanger 800 6x6Vertex manufacturer-listed application: 2010-2016 Polaris Ranger 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2014PolarisRanger 800 6x6Vertex manufacturer-listed application: 2010-2016 Polaris Ranger 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2013PolarisRanger 800 6x6Vertex manufacturer-listed application: 2010-2016 Polaris Ranger 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2012PolarisRanger 800 6x6Vertex manufacturer-listed application: 2010-2016 Polaris Ranger 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2011PolarisRanger 800 6x6Vertex manufacturer-listed application: 2010-2016 Polaris Ranger 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2010PolarisRanger 800 6x6Vertex manufacturer-listed application: 2010-2016 Polaris Ranger 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2010PolarisRZR 800Vertex manufacturer-listed application: 2008-2010 Polaris RZR 800. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2009PolarisRZR 800Vertex manufacturer-listed application: 2008-2010 Polaris RZR 800. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2008PolarisRZR 800Vertex manufacturer-listed application: 2008-2010 Polaris RZR 800. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2010PolarisRZR S 800Vertex manufacturer-listed application: 2010 Polaris RZR S 800. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2014PolarisSportsman 800 4x4Vertex manufacturer-listed application: 2005-2007,2010-2014 Polaris Sportsman 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2013PolarisSportsman 800 4x4Vertex manufacturer-listed application: 2005-2007,2010-2014 Polaris Sportsman 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2012PolarisSportsman 800 4x4Vertex manufacturer-listed application: 2005-2007,2010-2014 Polaris Sportsman 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2011PolarisSportsman 800 4x4Vertex manufacturer-listed application: 2005-2007,2010-2014 Polaris Sportsman 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2010PolarisSportsman 800 4x4Vertex manufacturer-listed application: 2005-2007,2010-2014 Polaris Sportsman 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2007PolarisSportsman 800 4x4Vertex manufacturer-listed application: 2005-2007,2010-2014 Polaris Sportsman 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2006PolarisSportsman 800 4x4Vertex manufacturer-listed application: 2005-2007,2010-2014 Polaris Sportsman 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2005PolarisSportsman 800 4x4Vertex manufacturer-listed application: 2005-2007,2010-2014 Polaris Sportsman 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2014PolarisSportsman 800 6x6Vertex manufacturer-listed application: 2009-2014 Polaris Sportsman 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2013PolarisSportsman 800 6x6Vertex manufacturer-listed application: 2009-2014 Polaris Sportsman 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2012PolarisSportsman 800 6x6Vertex manufacturer-listed application: 2009-2014 Polaris Sportsman 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2011PolarisSportsman 800 6x6Vertex manufacturer-listed application: 2009-2014 Polaris Sportsman 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2010PolarisSportsman 800 6x6Vertex manufacturer-listed application: 2009-2014 Polaris Sportsman 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2009PolarisSportsman 800 6x6Vertex manufacturer-listed application: 2009-2014 Polaris Sportsman 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2009PolarisSportsman 800 X2Vertex manufacturer-listed application: 2007-2009 Polaris Sportsman 800 X2. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2008PolarisSportsman 800 X2Vertex manufacturer-listed application: 2007-2009 Polaris Sportsman 800 X2. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2007PolarisSportsman 800 X2Vertex manufacturer-listed application: 2007-2009 Polaris Sportsman 800 X2. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2014PolarisSportsman Forest 800 4x4Vertex manufacturer-listed application: 2012-2014 Polaris Sportsman Forest 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2013PolarisSportsman Forest 800 4x4Vertex manufacturer-listed application: 2012-2014 Polaris Sportsman Forest 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2012PolarisSportsman Forest 800 4x4Vertex manufacturer-listed application: 2012-2014 Polaris Sportsman Forest 800 4x4. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2015PolarisSportsman Forest 800 6x6Vertex manufacturer-listed application: 2012-2015 Polaris Sportsman Forest 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2014PolarisSportsman Forest 800 6x6Vertex manufacturer-listed application: 2012-2015 Polaris Sportsman Forest 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2013PolarisSportsman Forest 800 6x6Vertex manufacturer-listed application: 2012-2015 Polaris Sportsman Forest 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2012PolarisSportsman Forest 800 6x6Vertex manufacturer-listed application: 2012-2015 Polaris Sportsman Forest 800 6x6. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2009PolarisSportsman Touring 800Vertex manufacturer-listed application: 2008-2009 Polaris Sportsman Touring 800. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.
2008PolarisSportsman Touring 800Vertex manufacturer-listed application: 2008-2009 Polaris Sportsman Touring 800. Part 23645A (Forged Big Bore Piston Kit). +2mm Forged Big Bore Piston Kit. 10.2:1 Comp. 82mm. Includes (Piston, Ring Set, Wrist Pin, & Circlips). Specifications: Compression Ratio: 10.2:1; Cylinder Diameter: 82mm; Displacement: 800cc; Piston OD: 81.95; Size Over Std: 2mm. Confirm the listed component, engine configuration and measurements before ordering.

Check the exact vehicle application and specifications before ordering. Ask HPE if a detail is missing.