Dirt Bike Piston and Ring Kits
Maximize power and durability with high-quality piston and ring kits. These kits are designed for precise fitment and outstanding performance. Shop our piston kits for a seamless upgrade.
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MILLENNIUM Piston Kit K8930D500-2
MILLENNIUM
$449.95MILLENNIUM Piston Kit K8930D500-24-stroke pistons are made using a double-bridged forging design, Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine09105034- SKU:
- 09105034
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- BORE SIZE METRIC:
- 98 MM
- PRODUCT NAME:
- PISTON KIT
- RING MATERIAL:
- NITRIDE COATED
- SKIRT COATING:
- MOLY COATED
- STYLE:
- BIG BORE
- BORE - OVERSIZE:
- +5,00 MM
- BORE - OVERSIZE METRIC:
- +5.00 MM
- PISTON MATERIAL:
- STEEL
- RIDING STYLE:
- UTV
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- UNITS:
- KIT
$449.95 -
On Sale
MILLENNIUM Piston Kit 284765
MILLENNIUM
MSRP: $299.95Now: $192.00Was: $299.95MILLENNIUM Piston Kit 2847654-stroke pistons are made using a double-bridged forging design, Lightweight pistons with the tightest piston-wall clearances in the industry give you a quieter running engine09105023- SKU:
- 09105023
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- PISTON MATERIAL:
- STEEL
- BORE - OVERSIZE:
- +3,50 MM
- BORE - OVERSIZE METRIC:
- +3.50 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RING MATERIAL:
- NITRIDE COATED
- STYLE:
- BIG BORE
- UNITS:
- KIT
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- SKIRT COATING:
- MOLY COATED
- BORE SIZE METRIC:
- 105.50 MM
- RIDING STYLE:
- UTV
MSRP: $299.95Now: $192.00Was: $299.95 -
On Sale
JE PISTONS Piston Kit 324910
JE PISTONS
MSRP: $301.05Now: $193.00Was: $301.05JE PISTONS Piston Kit 324910Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105938- SKU:
- 09105938
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- DISPLACEMENT:
- 450 CC
- PRODUCT NAME:
- PISTON KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- TYPE:
- FORGED SIDE RELIEF DESIGN
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 97.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.8:1
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- PRO SERIES
MSRP: $301.05Now: $193.00Was: $301.05 -
JE PISTONS Piston Kit 345192
JE PISTONS
$839.99JE PISTONS Piston Kit 345192Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105946- SKU:
- 09105946
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- BORE SIZE METRIC:
- 80.00 MM
- PRODUCT NAME:
- PISTON KIT
- WALL THICKNESS:
- 0,160'
- DISPLACEMENT:
- 998 CC
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 9.5:1
- PISTON HEAD SHAPE:
- DISHED
- RIDING STYLE:
- UTV
- WALL THICKNESS IMPERIAL:
- 0.160'
$839.99 -
JE PISTONS Piston Kit 208552
JE PISTONS
$309.99JE PISTONS Piston Kit 208552Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105830- SKU:
- 09105830
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BORE SIZE METRIC:
- 89.00 MM
- DISPLACEMENT:
- 435 CC
- PRODUCT NAME:
- PISTON KIT
- WALL THICKNESS IMPERIAL:
- 0.180'
- WALL THICKNESS:
- 0,180'
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- PISTON HEAD SHAPE:
- DOMED
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$309.99 -
JE PISTONS Piston Kit 128995
JE PISTONS
$254.63JE PISTONS Piston Kit 128995Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105831- SKU:
- 09105831
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 100.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON HEAD SHAPE:
- FLAT TOP
- DISPLACEMENT:
- 629 CC
- TYPE:
- ROUND FORGED DESIGN
- BORE - OVERSIZE:
- +3,00 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- JE PISTON
- UNITS:
- KIT
$254.63Qty in Cart: 0Quantity:Price:$254.63Subtotal: -
JE PISTONS Piston Kit 128996
JE PISTONS
$269.99JE PISTONS Piston Kit 128996Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105832- SKU:
- 09105832
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- BORE - OVERSIZE:
- +4,00 MM
- PISTON HEAD SHAPE:
- FLAT TOP
- BORE - OVERSIZE METRIC:
- +4.00 MM
- BORE SIZE METRIC:
- 101.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.6:1
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- ROUND FORGED DESIGN
- UNITS:
- KIT
- DISPLACEMENT:
- 640 CC
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- JE PISTON
$269.99 -
JE PISTONS Piston Kit 128998
JE PISTONS
$269.99JE PISTONS Piston Kit 128998Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105833- SKU:
- 09105833
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- BORE - OVERSIZE:
- +5,00 MM
- BORE SIZE METRIC:
- 102.00 MM
- PRODUCT NAME:
- PISTON KIT
- DISPLACEMENT:
- 654 CC
- PISTON HEAD SHAPE:
- FLAT TOP
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STYLE:
- JE PISTON
- COMPRESSION RATIO IMPERIAL:
- 10.8:1
- TYPE:
- ROUND FORGED DESIGN
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +5.00 MM
- RIDING STYLE:
- OFF-ROAD
$269.99 -
JE PISTONS Piston Kit 130682
JE PISTONS
$269.99JE PISTONS Piston Kit 130682Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105834- SKU:
- 09105834
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- PISTON HEAD SHAPE:
- FLAT TOP
- TYPE:
- ROUND FORGED DESIGN
- BORE SIZE METRIC:
- 100.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- JE PISTON
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 11.25:1
- DISPLACEMENT:
- 644 CC
$269.99 -
JE PISTONS Piston Kit 131243
JE PISTONS
$269.99JE PISTONS Piston Kit 131243Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105836- SKU:
- 09105836
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- COMPRESSION RATIO IMPERIAL:
- 10.5:1
- PISTON HEAD SHAPE:
- DOMED
- STYLE:
- JE PISTON
- TYPE:
- ROUND FORGED DESIGN
- UNITS:
- KIT
- DISPLACEMENT:
- 277 CC
- BORE - OVERSIZE:
- +4,00 MM
- BORE SIZE METRIC:
- 77.00 MM
- BORE - OVERSIZE METRIC:
- +4.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- STREET
$269.99 -
JE PISTONS Piston Kit 132699
JE PISTONS
$269.99JE PISTONS Piston Kit 132699Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105837- SKU:
- 09105837
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON HEAD SHAPE:
- DOMED
- STYLE:
- JE PISTON
- TYPE:
- ROUND FORGED DESIGN
- UNITS:
- KIT
- BORE - OVERSIZE:
- +1,00 MM
- DISPLACEMENT:
- 406 CC
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 86.00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.6:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
$269.99 -
JE PISTONS Piston Kit 133889
JE PISTONS
$269.99JE PISTONS Piston Kit 133889Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105838- SKU:
- 09105838
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- BORE SIZE METRIC:
- 87.00 MM
- DISPLACEMENT:
- 415 CC
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- JE PISTON
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,00 MM
- COMPRESSION RATIO IMPERIAL:
- 10.8:1
- PISTON HEAD SHAPE:
- DOMED
- TYPE:
- ROUND FORGED DESIGN
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
$269.99 -
JE PISTONS Piston Kit 139550
JE PISTONS
$242.50JE PISTONS Piston Kit 139550Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105839- SKU:
- 09105839
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- BORE - OVERSIZE METRIC:
- +2.00 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- JE PISTON
- UNITS:
- KIT
- BORE - OVERSIZE:
- +2,00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.25:1
- DISPLACEMENT:
- 657 CC
- TYPE:
- ROUND FORGED DESIGN
- PISTON HEAD SHAPE:
- FLAT TOP
- BORE SIZE METRIC:
- 102.00 MM
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
$242.50Qty in Cart: 0Quantity:Price:$242.50Subtotal: -
JE PISTONS Piston Kit 177239
JE PISTONS
$269.99JE PISTONS Piston Kit 177239Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105840- SKU:
- 09105840
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE:
- +3,00 MM
- RIDING STYLE:
- OFF-ROAD
- STYLE:
- JE PISTON
- UNITS:
- KIT
- DISPLACEMENT:
- 426 CC
- PISTON HEAD SHAPE:
- DOMED
- TYPE:
- ROUND FORGED DESIGN
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 88.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
$269.99 -
JE PISTONS Piston Kit 177240
JE PISTONS
$269.99JE PISTONS Piston Kit 177240Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105841- SKU:
- 09105841
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- BORE - OVERSIZE:
- +3,00 MM
- COMPRESSION RATIO IMPERIAL:
- 11.0:1
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STYLE:
- JE PISTON
- DISPLACEMENT:
- 426 CC
- PISTON HEAD SHAPE:
- DOMED
- TYPE:
- ROUND FORGED DESIGN
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- +3.00 MM
- BORE SIZE METRIC:
- 88.00 MM
- PRODUCT NAME:
- PISTON KIT
$269.99 -
JE PISTONS Piston Kit 180297
JE PISTONS
$269.99JE PISTONS Piston Kit 180297Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105842- SKU:
- 09105842
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 398 CC
- RIDING STYLE:
- ATV
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- STYLE:
- JE PISTON
- BORE - OVERSIZE METRIC:
- STANDARD
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- ROUND FORGED DESIGN
- UNITS:
- KIT
- BORE SIZE METRIC:
- 90.00 MM
- PISTON HEAD SHAPE:
- DISHED
- PRODUCT NAME:
- PISTON KIT
$269.99 -
JE PISTONS Piston Kit 183051
JE PISTONS
$269.99JE PISTONS Piston Kit 183051Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105843- SKU:
- 09105843
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- BORE SIZE METRIC:
- 94.00 MM
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- RIDING STYLE:
- ATV
- BORE - OVERSIZE METRIC:
- +4.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PISTON MATERIAL:
- FORGED 2618 ALUMINUM
- PRODUCT NAME:
- PISTON KIT
- STYLE:
- JE PISTON
- BORE - OVERSIZE:
- +4,00 MM
- DISPLACEMENT:
- 434 CC
- PISTON HEAD SHAPE:
- DISHED
- TYPE:
- ROUND FORGED DESIGN
$269.99 -
JE PISTONS Piston Kit 209283
JE PISTONS
$309.99JE PISTONS Piston Kit 209283Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105844- SKU:
- 09105844
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- WALL THICKNESS:
- 0,150'
- BORE SIZE METRIC:
- 100.00 MM
- DISPLACEMENT:
- 651 CC
- UNITS:
- KIT
- COMPRESSION RATIO IMPERIAL:
- 11.5:1
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- PISTON HEAD SHAPE:
- DOMED
- WALL THICKNESS IMPERIAL:
- 0.150'
$309.99 -
JE PISTONS Piston Kit 209292
JE PISTONS
$309.99JE PISTONS Piston Kit 209292Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105845- SKU:
- 09105845
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- COMPRESSION RATIO IMPERIAL:
- 12.0:1
- WALL THICKNESS:
- 0,120'
- BORE SIZE METRIC:
- 85.00 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- WALL THICKNESS IMPERIAL:
- 0.120'
- DISPLACEMENT:
- 366 CC
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
$309.99 -
JE PISTONS Piston Kit 221767
JE PISTONS
$309.99JE PISTONS Piston Kit 221767Machined from 2618-T6 high-tensile forged aluminum, Dome/dish features smooth flowing radii; requires no deburring or preparation, Specifically engineered for extreme applications including professional competition, Pro Series...09105846- SKU:
- 09105846
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- DISPLACEMENT:
- 449 CC
- BORE SIZE METRIC:
- 94.00 MM
- COMPRESSION RATIO IMPERIAL:
- 13.0:1
- WALL THICKNESS:
- 0,150'
- WALL THICKNESS IMPERIAL:
- 0.150'
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- ATV
- PISTON HEAD SHAPE:
- DOMED
- UNITS:
- KIT
$309.99
