Dirt Bike Engine
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
PROX Piston Kit - Standard - KTM 200EXC 01.6249.A
PROX
$139.95PROX Piston Kit Standard KTM 200EXC 01.6249.APiston Kit for offroad applications09106108- SKU:
- 09106108
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE - OVERSIZE:
- STANDARD
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 63.94 MM
- PRODUCT NAME:
- PISTON KIT
$139.95 -
PROX Piston Kit - Standard - 200EXC 01.6249.B
PROX
$139.95PROX Piston Kit Standard 200EXC 01.6249.BPiston Kit for offroad applications09106109- SKU:
- 09106109
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- BORE SIZE METRIC:
- 63.95 MM
- PRODUCT NAME:
- PISTON KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- BORE - OVERSIZE:
- STANDARD
- BORE - OVERSIZE METRIC:
- STANDARD
$139.95 -
PROX Piston Rings 02.1227
PROX
$49.95PROX Piston Rings 02.1227High quality rings which allow for optimum heat transfer and sealing09120647- SKU:
- 09120647
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE SIZE METRIC:
- 65.97 MM - 65.99 MM
$49.95 -
PROX Piston Rings 02.1340
PROX
$49.95PROX Piston Rings 02.1340High quality rings which allow for optimum heat transfer and sealing09120648- SKU:
- 09120648
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BORE SIZE METRIC:
- 76.77 MM - 76.79 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$49.95 -
PROX Piston Rings 02.3408
PROX
$49.95PROX Piston Rings 02.3408High quality rings which allow for optimum heat transfer and sealing09120649- SKU:
- 09120649
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 95.96 MM - 95.98 MM
- UNITS:
- PAIR
$49.95 -
PROX Piston Rings 02.3340
PROX
$49.95PROX Piston Rings 02.3340High quality rings which allow for optimum heat transfer and sealing09120651- SKU:
- 09120651
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE SIZE METRIC:
- 76.96 MM - 76.98 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- PRODUCT NAME:
- PISTON RING
$49.95 -
PROX Piston Rings 02.6427
PROX
$45.09PROX Piston Rings 02.6427High quality rings which allow for optimum heat transfer and sealing09120652- SKU:
- 09120652
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 96.95 MM - 96.97 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
- UNITS:
- PAIR
$45.09Qty in Cart: 0Quantity:Price:$45.09Subtotal: -
PROX Piston Rings 02.3337
PROX
$44.95PROX Piston Rings 02.3337High quality rings which allow for optimum heat transfer and sealing09120653- SKU:
- 09120653
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BORE SIZE METRIC:
- 76.96 MM - 76.98 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$44.95 -
PROX Piston Rings 02.4124
PROX
$24.95PROX Piston Rings 02.4124High quality rings which allow for optimum heat transfer and sealing09120654- SKU:
- 09120654
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE SIZE METRIC:
- 48.45 MM - 48.47 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$24.95 -
PROX Piston Rings 02.4336
PROX
$49.95PROX Piston Rings 02.4336High quality rings which allow for optimum heat transfer and sealing09120655- SKU:
- 09120655
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE SIZE METRIC:
- 76.96 MM - 76.98 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$49.95 -
PROX Piston Rings 02.6012
PROX
$24.95PROX Piston Rings 02.6012High quality rings which allow for optimum heat transfer and sealing09120656- SKU:
- 09120656
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PISTON MATERIAL:
- ALUMINUM ALLOY
- BORE SIZE METRIC:
- 39.46 MM - 39.48 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$24.95 -
PROX Piston Rings 02.6225
PROX
$49.95PROX Piston Rings 02.6225High quality rings which allow for optimum heat transfer and sealing09120657- SKU:
- 09120657
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 53.94 MM - 53.97 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON RING
- UNITS:
- PAIR
$49.95 -
On Sale
PROX Piston Rings 02.6228
PROX
MSRP: $36.35Now: $23.00Was: $36.35PROX Piston Rings 02.6228High quality rings which allow for optimum heat transfer and sealing09120658- SKU:
- 09120658
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- UNITS:
- PAIR
- PRODUCT NAME:
- PISTON RING
- BORE SIZE METRIC:
- 55.94 MM - 55.96 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
MSRP: $36.35Now: $23.00Was: $36.35 -
PROX Piston Rings 02.6351
PROX
$49.95PROX Piston Rings 02.6351High quality rings which allow for optimum heat transfer and sealing09120661- SKU:
- 09120661
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- PAIR
- BORE SIZE METRIC:
- 87.96 MM - 87.98 MM
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM ALLOY
- PRODUCT NAME:
- PISTON RING
$49.95 -
PROX Piston Rings 02.6394
PROX
$49.95PROX Piston Rings 02.6394High quality rings which allow for optimum heat transfer and sealing09120662- SKU:
- 09120662
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 71.94 MM - 71.96 MM
- PISTON MATERIAL:
- ALUMINUM ALLOY
- UNITS:
- PAIR
$49.95 -
PROX Piston Rings 02.6429
PROX
$49.95PROX Piston Rings 02.6429High quality rings which allow for optimum heat transfer and sealing09120663- SKU:
- 09120663
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
- BORE SIZE METRIC:
- 94.95 MM - 94.97 MM
- ENGINE TYPE:
- 4-STROKE
- PISTON MATERIAL:
- ALUMINUM ALLOY
- RIDING STYLE:
- STREET
$49.95 -
PROX Crankshaft 10.6228
PROX
$369.22PROX Crankshaft 10.6228High-quality forged connecting rod kit, Meet or exceed OEM crankshafts in performance and durability09210791- SKU:
- 09210791
- Availability:
- Ships Same Business Day
- Weight:
- 7.40 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CRANKSHAFT
- UNITS:
- EACH
$369.22Qty in Cart: 0Quantity:Price:$369.22Subtotal: -
PROX Crankshaft 10.3340
PROX
$465.98PROX Crankshaft 10.3340High-quality forged connecting rod kit, Meet or exceed OEM crankshafts in performance and durability09210799- SKU:
- 09210799
- Availability:
- Ships Same Business Day
- Weight:
- 7.80 LBS
- UNITS:
- EACH
- PRODUCT NAME:
- CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
$465.98Qty in Cart: 0Quantity:Price:$465.98Subtotal: -
PROX Crankshaft 10.6335
PROX
$486.39PROX Crankshaft 10.6335High-quality forged connecting rod kit, Meet or exceed OEM crankshafts in performance and durability09210801- SKU:
- 09210801
- Availability:
- Ships Same Business Day
- Weight:
- 7.85 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CRANKSHAFT
- UNITS:
- EACH
$486.39Qty in Cart: 0Quantity:Price:$486.39Subtotal: -
PROX Crank Bearing and Seal Kit 23.CBS11085
PROX
$55.95PROX Crank Bearing and Seal Kit 23.CBS11085Made to exact OEM specifications for maximum performance and durability, Includes all necessary bearings/seals for a component's replacement, For use with OEM or Pro X crankshafts09240294- SKU:
- 09240294
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- PRODUCT NAME:
- BEARING AND SEAL KIT
- STYLE:
- 2-STROKE
- TYPE:
- BALL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- APPLICATION:
- CRANKSHAFT
$55.95
