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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HOT RODS Water Pump Repair Kit - Honda WPK0007
HOT RODS
$58.95HOT RODS Water Pump Repair Kit Honda WPK0007Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability, High-pressure/temperature...09342919- SKU:
- 09342919
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$58.95 -
HOT RODS Water Pump Repair Kit - Honda WPK0008
HOT RODS
$50.95HOT RODS Water Pump Repair Kit Honda WPK0008Kits include water pump cover gasket, water pump shaft bearing(s) and seal(s) to repair a leaking pump or failed bearing, Precision micro bearings provide OEM quality and durability, High-pressure/temperature...09342920- SKU:
- 09342920
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
$50.95 -
HOT RODS Crankshaft Assembly 4032
HOT RODS
$441.95HOT RODS Crankshaft Assembly 4032Sold 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...H121- SKU:
- H121
- Availability:
- Ships Same Business Day
- Weight:
- 6.56 LBS
- COLOR/FINISH:
- STEEL
- FEATURES:
- STANDARD CRANKSHAFT
- STROKE LENGTH METRIC:
- 54.60 MM
- TYPE:
- OEM STROKE
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ASSEMBLY
- MODEL:
- 2-CYCLE
- DISPLACEMENT:
- 125 CC
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$441.95 -
HOT RODS Crank Bearings K085
HOT RODS
$196.95HOT RODS Crank Bearings K085Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies09240373- SKU:
- 09240373
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
$196.95 -
HOT RODS Crankshaft 4093
HOT RODS
$465.95HOT RODS Crankshaft 4093Sold 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 ready for...09210213- SKU:
- 09210213
- Availability:
- Ships Same Business Day
- Weight:
- 9.94 LBS
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- MODEL:
- 4-CYCLE
- DISPLACEMENT:
- 450 CC
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 62.10 MM
- UNITS:
- ASSEMBLY
$465.95 -
HOT RODS Crankshaft 4095
HOT RODS
$368.95HOT RODS Crankshaft 4095Sold 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 ready for...09210215- SKU:
- 09210215
- Availability:
- Ships Same Business Day
- Weight:
- 7.15 LBS
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ASSEMBLY
- FEATURES:
- HEAVY DUTY CRANKSHAFT
- TYPE:
- OEM STROKE
- DISPLACEMENT:
- 250 CC
- MODEL:
- 4-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH METRIC:
- 52.20 MM
$368.95 -
HOT RODS Crankshaft Kit CBK0119
HOT RODS
$551.95HOT RODS Crankshaft Kit CBK0119Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...09210356- SKU:
- 09210356
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$551.95 -
HOT RODS Crankshaft Kit CBK0120
HOT RODS
$919.95HOT RODS Crankshaft Kit CBK0120Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...09210357- SKU:
- 09210357
- Availability:
- Ships Same Business Day
- Weight:
- 13.65 LBS
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$919.95 -
HOT RODS Crankshaft Kit CBK0124
HOT RODS
$711.95HOT RODS Crankshaft Kit CBK0124Assembly sold complete with Hot Rods connecting rod, Factory assembled and true to OEM specifications, Hot Rods cranks will meet or surpass the OEM in performance, Ready for installation, Crankshaft is completely...09210358- SKU:
- 09210358
- Availability:
- Ships Same Business Day
- Weight:
- 13.08 LBS
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CRANKSHAFT KIT
- UNITS:
- KIT
$711.95 -
HOT RODS Crankshaft 4068
HOT RODS
$139.95HOT RODS Crankshaft 4068Sold 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 ready for...09210076- SKU:
- 09210076
- Availability:
- Ships Same Business Day
- Weight:
- 4.78 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 85 CC
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- STROKE LENGTH METRIC:
- 48.00 MM
- UNITS:
- ASSEMBLY
- MODEL:
- 2-CYCLE
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- OEM STROKE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
$139.95 -
HOT RODS Crankshaft - Stroker 4166
HOT RODS
$293.95HOT RODS Crankshaft Stroker 4166Hot Rods has developed six long-stroke applications for ATVs, Special pistons for TRX400EX, KFX/LTZ 400, Banshee, Warrior and Raptor make these installations simple by avoiding machine work and parts typically required for...09210077- SKU:
- 09210077
- Availability:
- Ships Same Business Day
- Weight:
- 4.60 LBS
- COLOR/FINISH:
- STEEL
- DISPLACEMENT:
- 88 CC TO 103.5 CC
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- ASSEMBLY
- MATERIAL:
- 4140 STEEL
- MODEL:
- 2-CYCLE
- PRODUCT NAME:
- CRANKSHAFT ASSEMBLY
- STROKE LENGTH:
- 47,80 MM
- STROKE LENGTH METRIC:
- 47.80 MM
- FEATURES:
- STANDARD CRANKSHAFT
- TYPE:
- STROKER
$293.95 -
COMETIC Water Pump Install - Kawasaki C7029WP
COMETIC
$35.95COMETIC Water Pump Install Kawasaki C7029WPKits contain all components needed to properly replace water pump impeller or leaking water pump cover, Quality seals, O-rings, bearings, crush washers and AFM Cometic engine cover gaskets included for...09345424- SKU:
- 09345424
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- INSTALL KIT
$35.95Qty in Cart: 0Quantity:Price:$35.95Subtotal: -
COMETIC Water Pump Install - Honda C7757WP
COMETIC
$43.95COMETIC Water Pump Install Honda C7757WPKits contain all components needed to properly replace water pump impeller or leaking water pump cover, Quality seals, O-rings, bearings, crush washers and AFM Cometic engine cover gaskets included for dependable,...09345441- SKU:
- 09345441
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- WATER PUMP
- UNITS:
- KIT
- PRODUCT NAME:
- INSTALL KIT
- RIDING STYLE:
- OFF-ROAD
$43.95Qty in Cart: 0Quantity:Price:$43.95Subtotal: -
COMETIC Clutch Cover Gasket - Kawasaki EC513018AFM
COMETIC
$13.95COMETIC Clutch Cover Gasket Kawasaki EC513018AFMGaskets and gasket sets used by professionals in high-performance machines and as OE replacements worldwide, Each Kit contains the proper number of gaskets for one application, Made in the U.S.A.09345456- SKU:
- 09345456
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- PRODUCT NAME:
- GASKET
- UNITS:
- SET
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- CLUTCH COVER
$13.95 -
COMETIC Top End Gasket Set - Yamaha C3105
COMETIC
$41.95COMETIC Top End Gasket Set Yamaha C3105Top end gasket kits include correct base, head gasket and cylinder O-rings as well as other top end specific O-rings or seals needed for R&R of top end, MLS head gaskets promote an even torque load across the gasket...09343427- SKU:
- 09343427
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
$41.95 -
COMETIC Bottom End Gasket Set - Honda C3322
COMETIC
$38.95COMETIC Bottom End Gasket Set Honda C3322Bottom end gasket kits include correct oil seals, O-rings, drain plug washers and water pump cover gaskets as needed, Materials will vary depending on what is correct and engineered for specified application,...09344143- SKU:
- 09344143
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- GASKET KIT
- MODEL:
- HI-PERFORMANCE
- UNITS:
- KIT
- BORE SIZE METRIC:
- 71.00 MM
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BOTTOM END
$38.95 -
Hot Cams Stage 1 Camshaft for Yamaha TTR125E 2003-2009 4019-1
HOT CAMS
$252.95Unleash Your Vehicle's Potential with High-Performance Racing Camshafts 40191 Elevate your racing experience with our cutting-edge High-Performance Racing Camshafts. Engineered for seamless installation and optimized for both torque and horsepower, these...TTR125S1A- SKU:
- TTR125S1A
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- APPLICATION:
- INTAKE
- INTAKE DURATION IMPERIAL:
- 227°
- INTAKE LIFT METRIC:
- 6.80 MM
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- CAMSHAFT
- EXHAUST DURATION IMPERIAL:
- 223°
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STAGE 1
- UNITS:
- EACH
- EXHAUST LIFT METRIC:
- 5.90 MM
$252.95 -
Hot Cams Stage 1 Camshaft for Honda CRF100F 2004-2013 1018-1
HOT CAMS
$226.95High-Performance Racing Camshafts Enhance your engine's performance with our premium Stage 1 and Stage 2 racing camshafts. Designed for seamless integration with stock valve springs, these camshafts optimize torque and horsepower, delivering impressive...XR100S1A- SKU:
- XR100S1A
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- EXHAUST LIFT METRIC:
- 5.90 MM
- TYPE:
- STAGE 1
- APPLICATION:
- EXHAUST
- INTAKE DURATION IMPERIAL:
- 236°
- INTAKE LIFT METRIC:
- 6.80 MM
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 216°
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$226.95 -
Hot Cams Stage 1 Camshaft for 1996-2004 Honda XR250R 1006-1
HOT CAMS
$349.95Unleash Your Vehicle's Potential with High-Performance Racing Camshafts Transform your driving experience with our cutting-edge racing camshafts, engineered to maximize performance and responsiveness. Choose between Stage 1 for enhanced low-end torque or...XR250S1A- SKU:
- XR250S1A
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- INTAKE LIFT METRIC:
- 9.00 MM
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 236°
- TYPE:
- STAGE 1
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 8.70 MM
- INTAKE DURATION IMPERIAL:
- 236°
- PRODUCT NAME:
- CAMSHAFT
- RIDING STYLE:
- OFF-ROAD
$349.95 -
Hot Cams Stage 1 Camshaft for 1988-2000 Honda XR600R 1993-2009 Honda XR650L 1004-1
HOT CAMS
$288.95Elevate Your Ride with High-Performance Racing Camshafts 10041 Transform your vehicle's capabilities with our cutting-edge racing camshafts, engineered for enthusiasts seeking both power and precision. With options tailored to your performance goals,...XR600S1A- SKU:
- XR600S1A
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- INTAKE DURATION IMPERIAL:
- 258°
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- INTAKE
- EXHAUST DURATION IMPERIAL:
- 258°
- UNITS:
- EACH
- INTAKE LIFT METRIC:
- 8.80 MM
- PRODUCT NAME:
- CAMSHAFT
- APPLICATION:
- EXHAUST
- EXHAUST LIFT METRIC:
- 8.80 MM
- TYPE:
- STAGE 1
$288.95
