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.
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ATHENA Top End Gasket Kit - Honda P400210600214
ATHENA
$53.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...400210600214- SKU:
- 400210600214
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
$53.95 -
ATHENA Top End Gasket Kit - Honda P400210600210
ATHENA
$34.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...400210600210- SKU:
- 400210600210
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
$34.95 -
ATHENA Top End Gasket Kit - Honda P400210600126
ATHENA
$33.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...400210600126- SKU:
- 400210600126
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$33.95 -
ATHENA Top End Gasket Kit - Honda P400210600125
ATHENA
$45.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...400210600125- SKU:
- 400210600125
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$45.95Qty in Cart: 0Quantity:Price:$45.95Subtotal: -
ATHENA Top End Gasket Kit - Honda P400210600103
ATHENA
$27.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...400210600103- SKU:
- 400210600103
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$27.95 -
ATHENA Top End Gasket Kit - Honda P400210600087
ATHENA
$17.95Specifically designed for the pro, semi-pro and amateur rider who freshens up their engine prior to a race or during midseason. Gives the rider a choice of using standard gas with stock compression, or race gas with a higher compression. Kits do not...400210600087- SKU:
- 400210600087
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$17.95 -
WISECO Piston - Suzuki - 1mm 380M07100
WISECO
$199.95Wiseco Piston Kit - Part #380M07100 Take your bike's performance to the next level with the Wiseco Piston Kit, part number 380M07100. This high-quality piston kit is designed for riders who demand durability, efficiency, and power, all packed into one...380M07100- SKU:
- 380M07100
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
- BORE - OVERSIZE:
- +1,00 MM
- BORE SIZE METRIC:
- 71.00 MM
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 64.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- PISTON DIAMETER METRIC:
- 70.92 MM
- SKIRT COATING:
- NON-COATED
- UNITS:
- KIT
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
$199.95 -
WISECO Piston - Suzuki - Standard 380M07000
WISECO
$199.95Wiseco 380M07000 Piston Kit Transform the performance of your Suzuki TM250, TS250, or DS250 with the Wiseco 380M07000 Piston Kit, meticulously crafted for unbeatable strength, precision, and performance. Engineered specifically for 2-stroke engines, this...380M07000- SKU:
- 380M07000
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- BORE - OVERSIZE:
- STANDARD
- DISPLACEMENT:
- 246 CC
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE METRIC:
- STANDARD
- BORE SIZE METRIC:
- 70.00 MM
- PISTON DIAMETER METRIC:
- 69.92 MM
- PRODUCT NAME:
- PISTON KIT
- STROKE LENGTH METRIC:
- 64.00 MM
- ENGINE TYPE:
- 2-STROKE
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$199.95 -
WISECO Ring Set 3504TD
WISECO
$54.95WISECO Ring Set 3504TDEach ring set is for one piston3504TD- SKU:
- 3504TD
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 89.00 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- PISTON RING
- UNITS:
- SET
$54.95 -
WISECO Ring Set 3347XC
WISECO
$49.95WISECO Ring Set 3347XCEach ring set is for one piston3347XC- SKU:
- 3347XC
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- PISTON MATERIAL:
- ALUMINUM
- BORE SIZE METRIC:
- 85.00 MM
- PRODUCT NAME:
- PISTON RING
- RIDING STYLE:
- STREET
- UNITS:
- SET
$49.95 -
WISECO Ring Set 3347TD
WISECO
$54.95WISECO Ring Set 3347TDEach ring set is for one piston3347TD- SKU:
- 3347TD
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- PISTON RING
- BORE SIZE METRIC:
- 85.00 MM
- RIDING STYLE:
- ATV
- PISTON MATERIAL:
- ALUMINUM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET
$54.95 -
WISECO Piston - Yamaha - 1mm 236M05700
WISECO
$154.95Wiseco 236M05700 Piston Kit Take your Yamaha DT125 or IT125 to the next level with the Wiseco 236M05700 Piston Kit, designed to deliver outstanding durability, precision, and performance. Built for high-performance 2-stroke engines, this piston kit is...236M05700- SKU:
- 236M05700
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MODEL:
- FORGED SERIES
- SKIRT COATING:
- NON-COATED
- BORE - OVERSIZE:
- +1,00 MM
- PRODUCT NAME:
- PISTON KIT
- BORE SIZE METRIC:
- 57.00 MM
- STROKE LENGTH METRIC:
- 50.00 MM
- BORE - OVERSIZE METRIC:
- +1.00 MM
- DISPLACEMENT:
- 123 CC
- ENGINE TYPE:
- 2-STROKE
- PISTON DIAMETER METRIC:
- 56.95 MM
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$154.95 -
HOT RODS Water Pump Shaft HRSHA-002
HOT RODS
$58.95HOT RODS Water Pump Shaft HRSHA-002Replaces worn water pump shaft, OE quality materials, Polished surface finish decreases water pump seal wear, Complement Hot Rod's Water Pump Repair kit09500575- SKU:
- 09500575
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- TYPE:
- WATER PUMP
- PRODUCT NAME:
- SHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$58.95 -
HOT RODS Water Pump Shaft HRSHA-001
HOT RODS
$58.95HOT RODS Water Pump Shaft HRSHA-001Replaces worn water pump shaft, OE quality materials, Polished surface finish decreases water pump seal wear, Complement Hot Rod's Water Pump Repair kit09500574- SKU:
- 09500574
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- WATER PUMP
- PRODUCT NAME:
- SHAFT
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$58.95 -
On Sale
POWERSTANDS RACING Oil Cap Kit - Red - M20 x 2.5 00-01318-24
POWERSTANDS RACING
MSRP: $54.95Now: $35.00Was: $54.95POWERSTANDS RACING Oil Cap Kit Red M20 x 2.5 00-01318-24CNC-machined from high-quality aluminum, E-clip is already safety wired to a mounting tab and the wire covered with silicon tubing that will not melt or discolor, Excellent resistance to extreme heat09500567- SKU:
- 09500567
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- COLOR/FINISH:
- ANODIZED
- DIAMETER - THREAD SIZE IMPERIAL:
- M20 X 2.5
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- MATERIAL:
- ALUMINUM
- PRODUCT NAME:
- CAP KIT
- TYPE:
- OIL FILLER
- UNITS:
- KIT
MSRP: $54.95Now: $35.00Was: $54.95 -
BOYESEN Impeller/Waterpump Cover WPK06AM
BOYESEN
$194.95BOYESEN Impeller/Waterpump Cover WPK06AMAn aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines cooling system, This high-flow, hydrodynamic water pump kit has been tested and...09400897- SKU:
- 09400897
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- COLOR/FINISH:
- POWDER-COATED
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
- RIDING STYLE:
- OFF-ROAD
- BASE FINISH:
- POWDER-COATED
- UNITS:
- KIT
- TYPE:
- WATER PUMP
- COLOR/FINISH:
- MAGNESIUM
- MATERIAL:
- ALUMINUM
$194.95 -
BOYESEN Impeller/Waterpump Cover WPK06AB
BOYESEN
$194.95BOYESEN Impeller/Waterpump Cover WPK06ABAn aluminum investment-cast water pump cover and impeller combo; specifically designed to enhance the performance of your engines cooling system, This high-flow, hydrodynamic water pump kit has been tested and...09400896- SKU:
- 09400896
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- POWDER-COATED
- MATERIAL:
- ALUMINUM
- MODEL:
- SUPERCOOLER
- PRODUCT NAME:
- COVER AND IMPELLER KIT
$194.95 -
HOT RODS Output Shaft Seal OSK0057
HOT RODS
$24.95HOT RODS Output Shaft Seal OSK0057A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...09350955- SKU:
- 09350955
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- SEAL KIT
- TYPE:
- OIL
- UNITS:
- KIT
- APPLICATION:
- COUNTERSHAFT
- RIDING STYLE:
- OFF-ROAD
$24.95Qty in Cart: 0Quantity:Price:$24.95Subtotal: -
HOT RODS Output Shaft Seal OSK0058
HOT RODS
$32.95HOT RODS Output Shaft Seal OSK0058A quick solution to repairing a leaking countershaft seal in one complete kit, Includes Hot Rods countershaft seal, countershaft bushing, O-rings, and sprocket nut washer (where applicable), Kits do not include water...09350954- SKU:
- 09350954
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- COUNTERSHAFT
- TYPE:
- OIL
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
CYLINDER WORKS Power Valve - Big Bore CW-PV-K02
CYLINDER WORKS
$365.95CYLINDER WORKS Power Valve Big Bore CW-PV-K02Maintain peak performance, CNC-machined, Hard anodized finish, Made in the U.S.A.09350953- SKU:
- 09350953
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- COLOR/FINISH:
- ANODIZED
- MATERIAL:
- STEEL
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- POWER VALVE
- BORE SIZE METRIC:
- 72.00 MM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$365.95
