Dirt Bike Engine
Explore our selection for dirt bike parts for adding horsepower or reliability to a dirt bike's engine. We feature engine parts from Wiseco, Vertex, and more common engine part manufacturers. Get new pistons and gasket kits for re-freshening engines to withstand any conditions you put your bike through!
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MOOSE RACING Oil Filter DT-09-21
MOOSE RACING
$7.95MOOSE RACING Oil Filter DT-09-21High-quality replacement for your standard filter, Can filter down to 10 microns, Constructed with high-quality paper filter materials, Manufactured with sealing ring to ensure perfect fit, Offers maximum protection and...07120221- SKU:
- 07120221
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- FILTER MEDIA MATERIAL:
- PAPER
- RIDING STYLE:
- ATV
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- STYLE:
- STANDARD
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- MICRON RATING:
- 10 MICRONS
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
$7.95 -
MOOSE RACING Magnetic Drain Plug DP110
MOOSE RACING
$23.95MOOSE RACING Magnetic Drain Plug DP110Made from 7075 lightweight aluminum, Prolong engine life by pulling metal filings out of the oil, Ultra-powerful magnets, Come with either O-ring or washer sealing surface, Compare with original OEM plug before...09200048- SKU:
- 09200048
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- 7075 ALUMINUM
- UNITS:
- EACH
- DIAMETER - THREAD SIZE METRIC:
- M10 X 1.50 X 17 MM
- FEATURES:
- MAGNETIC
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- DRAIN
- PRODUCT NAME:
- PLUG
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$23.95 -
VESRAH Top End Gasket Kit - Kawasaki 100 VG-843
VESRAH
$15.11Complete gasket sets include all necessary engine gaskets, o-rings and valve guide oil seals to rebuild a complete engine (do not include oil seals); sold each, Top-end gasket sets include all necessary top-end gaskets, o-rings and valve guide oil seals...VG843- SKU:
- VG843
- Weight:
- 0.36 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
- UNITS:
- SET
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
$15.11 -
HIFLOFILTRO Oil Filter HF303C
HIFLOFILTRO
$13.34HIFLOFILTRO Oil Filter HF303CHigh quality premium oil filterHF303C- SKU:
- HF303C
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- COLOR/FINISH:
- CHROME
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- LENGTH METRIC:
- 73 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- STYLE:
- PREMIUM
- BASE FINISH:
- CHROME
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- UTV
- TYPE:
- SPIN-ON
- WIDTH METRIC:
- 65 MM
$13.34 -
HIFLOFILTRO Oil Filter HF154
HIFLOFILTRO
$6.00HIFLOFILTRO Oil Filter HF154High quality premium oil filterHF154- SKU:
- HF154
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- TYPE:
- CARTRIDGE
- BASE COLOR:
- RED
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- RED
- LENGTH METRIC:
- 48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- UNITS:
- EACH
- STYLE:
- PREMIUM
- WIDTH METRIC:
- 45 MM
$6.00 -
HIFLOFILTRO Oil Filter HF143
HIFLOFILTRO
$7.95HIFLOFILTRO Oil Filter HF143High quality premium oil filterHF143- SKU:
- HF143
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- BASE COLOR:
- YELLOW
- PRODUCT NAME:
- OIL FILTER
- STYLE:
- PREMIUM
- LENGTH METRIC:
- 48 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- COLOR/FINISH:
- YELLOW
- RIDING STYLE:
- OFF-ROAD
- WIDTH METRIC:
- 38 MM
$7.95 -
HIFLOFILTRO Oil Filter HF141
HIFLOFILTRO
$5.00HIFLOFILTRO Oil Filter HF141High quality premium oil filterHF141- SKU:
- HF141
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- LENGTH METRIC:
- 46 MM
- PRODUCT NAME:
- OIL FILTER
- BASE COLOR:
- RED
- STYLE:
- PREMIUM
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CARTRIDGE
- UNITS:
- EACH
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- WIDTH METRIC:
- 38 MM
$5.00 -
HIFLOFILTRO Oil Filter HF139
HIFLOFILTRO
$4.95HIFLOFILTRO Oil Filter HF139High quality premium oil filterHF139- SKU:
- HF139
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- COLOR/FINISH:
- RED
- LENGTH METRIC:
- 44 MM
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- CARTRIDGE
- WIDTH METRIC:
- 44 MM
- STYLE:
- PREMIUM
- BASE COLOR:
- RED
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$4.95 -
HIFLOFILTRO Oil Filter HF137
HIFLOFILTRO
$4.95HIFLOFILTRO Oil Filter HF137High quality premium oil filterHF137- SKU:
- HF137
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- COLOR/FINISH:
- RED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- CARTRIDGE
- WIDTH METRIC:
- 60 MM
- LENGTH METRIC:
- 37 MM
- PRODUCT NAME:
- OIL FILTER
- BASE COLOR:
- RED
- STYLE:
- PREMIUM
- UNITS:
- EACH
$4.95 -
HIFLOFILTRO Oil Filter HF112
HIFLOFILTRO
$3.95HIFLOFILTRO Oil Filter HF112High quality premium oil filterHF112- SKU:
- HF112
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- RED
- LENGTH METRIC:
- 38 MM
- RIDING STYLE:
- STREET
- TYPE:
- CARTRIDGE
- PRODUCT NAME:
- OIL FILTER
- RIDING STYLE:
- OFF-ROAD
- BASE COLOR:
- RED
- RIDING STYLE:
- ATV
- STYLE:
- PREMIUM
- UNITS:
- EACH
- WIDTH METRIC:
- 50 MM
$3.95 -
HOT RODS Crankshaft Assembly 4138
HOT RODS
MSRP: $377.95Now: $347.36Was: $391.95HOT RODS Crankshaft Assembly 4138Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H134- SKU:
- H134
- Availability:
- Ships Same Business Day
- Weight:
- 8.92 LBS
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 49.80 MM
- DISPLACEMENT:
- 250 CC
- MODEL:
- 2-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
MSRP: $377.95Now: $347.36Was: $391.95 -
HOT RODS Crankshaft Assembly 4017
HOT RODS
MSRP: $409.95Now: $376.16Was: $423.95HOT RODS Crankshaft Assembly 4017Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H128X- SKU:
- H128X
- Availability:
- Ships Same Business Day
- Weight:
- 9.46 LBS
- UNITS:
- ASSEMBLY
- DISPLACEMENT:
- 250 CC
- MATERIAL:
- 4140 STEEL
- MODEL:
- 2-CYCLE
- STROKE LENGTH METRIC:
- 72.00 MM
- TYPE:
- OEM STROKE
- FEATURES:
- STANDARD CRANKSHAFT
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
MSRP: $409.95Now: $376.16Was: $423.95 -
HOT RODS Crankshaft Assembly 4036
HOT RODS
MSRP: $344.95Now: $316.76Was: $356.95HOT RODS Crankshaft Assembly 4036Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H125X- SKU:
- H125X
- Availability:
- Ships Same Business Day
- Weight:
- 6.20 LBS
- MODEL:
- 2-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.60 MM
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 125 CC
- FEATURES:
- STANDARD CRANKSHAFT
MSRP: $344.95Now: $316.76Was: $356.95 -
HOT RODS Crankshaft Assembly 4035
HOT RODS
MSRP: $366.95Now: $336.56Was: $379.95HOT RODS Crankshaft Assembly 4035Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H124- SKU:
- H124
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 125 CC
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 54.60 MM
MSRP: $366.95Now: $336.56Was: $379.95 -
HOT RODS Crankshaft Assembly 4034
HOT RODS
MSRP: $226.95Now: $207.86Was: $233.95HOT RODS Crankshaft Assembly 4034Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H123- SKU:
- H123
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 85 CC
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 48.00 MM
MSRP: $226.95Now: $207.86Was: $233.95 -
HOT RODS Crankshaft Assembly 4033
HOT RODS
MSRP: $258.95Now: $237.56Was: $267.95HOT RODS Crankshaft Assembly 4033Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H122- SKU:
- H122
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- MODEL:
- 2-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 48.00 MM
- UNITS:
- ASSEMBLY
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 80 CC
- MATERIAL:
- 4140 STEEL
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
MSRP: $258.95Now: $237.56Was: $267.95 -
HOT RODS Crankshaft Assembly 4016
HOT RODS
MSRP: $236.95Now: $217.76Was: $245.95HOT RODS Crankshaft Assembly 4016Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H119- SKU:
- H119
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- MODEL:
- 2-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- DISPLACEMENT:
- 80 CC TO 100 CC
- FEATURES:
- STANDARD CRANKSHAFT
- STROKE LENGTH METRIC:
- 45.80 MM
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
MSRP: $236.95Now: $217.76Was: $245.95 -
HOT RODS Crankshaft Assembly 4012
HOT RODS
MSRP: $184.95Now: $166.46Was: $184.95HOT RODS Crankshaft Assembly 4012Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H115- SKU:
- H115
- Availability:
- Ships Same Business Day
- Weight:
- 4.65 LBS
- MODEL:
- 2-CYCLE
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- DISPLACEMENT:
- 80 CC
- FEATURES:
- STANDARD CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 48.00 MM
- TYPE:
- OEM STROKE
- MATERIAL:
- 4140 STEEL
- UNITS:
- ASSEMBLY
MSRP: $184.95Now: $166.46Was: $184.95 -
HOT RODS Crankshaft Assembly 4002
HOT RODS
MSRP: $344.75Now: $316.76Was: $361.95HOT RODS Crankshaft Assembly 4002Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft webs, Factory assembled and trued to OEM specifications; meet or surpass OEM in performance and durability, Complete and...H101- SKU:
- H101
- Availability:
- Ships Same Business Day
- Weight:
- 9.19 LBS
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- 72.00 MM
- UNITS:
- ASSEMBLY
- DISPLACEMENT:
- 250 CC
- FEATURES:
- STANDARD CRANKSHAFT
- MODEL:
- 2-CYCLE
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- RIDING STYLE:
- OFF-ROAD
- COLOR/FINISH:
- STEEL
MSRP: $344.75Now: $316.76Was: $361.95 -
HOT CAMS Camshaft 1016-1
HOT CAMS
$377.95HOT CAMS Camshaft 1016-1High-performance racing camshafts, Stage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springs, In most applications, Stage 1 cams deliver more torque and Stage 2 cams provide...CRF450S1A- SKU:
- CRF450S1A
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- EXHAUST DURATION IMPERIAL:
- 270°
- INTAKE LIFT METRIC:
- 9.60 MM
- EXHAUST LIFT METRIC:
- 8.80 MM
- INTAKE DURATION IMPERIAL:
- 238°
- RIDING STYLE:
- ATV
- TYPE:
- STAGE 1
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- PRODUCT NAME:
- CAMSHAFT
$377.95