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!
- Dirt Bike Cams and Parts
- Dirt Bike Connecting Rods and Parts
- Dirt Bike Crankcases and Parts
- Dirt Bike Crankshafts and Parts
- Dirt Bike Cylinder Heads and Parts
- Dirt Bike Cylinders and Parts
- Dirt Bike Engine Bearings
- Dirt Bike Engine Covers
- Dirt Bike Engine Gaskets and Kits
- Dirt Bike Engine Rebuild Kits
- Dirt Bike Engine Seals - Orings and Kits
- Dirt Bike Engine Valves and Parts
- Dirt Bike Flywheel and Rod Assemblies
- Dirt Bike Fuel Filters
- Dirt Bike Miscellaneous Engine Parts
- Dirt Bike Oil Coolers
- Dirt Bike Oil Filters
- Dirt Bike Oil Lines
- Dirt Bike Oil Pumps
- Dirt Bike Piston and Ring Kits
- Dirt Bike Piston Rings Only
- Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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HOT RODS Connecting Rod 8724
HOT RODS
MSRP: $123.95Now: $113.36Was: $125.95HOT RODS Connecting Rod 8724Heavy-duty OE replacement connecting rod, Certified 8620 AISI steel provides superior strength, Uniquely designed big end uses strategically located side scalloping vent slots to minimize high-RPM bearing race distortion,...9230565- SKU:
- 9230565
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
MSRP: $123.95Now: $113.36Was: $125.95 -
HOT RODS Crank Bearings K068
HOT RODS
MSRP: $107.95Now: $98.96Was: $109.95HOT RODS Crank Bearings K068Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240235- SKU:
- 9240235
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- BALL
MSRP: $107.95Now: $98.96Was: $109.95 -
HOT RODS Crank Bearings K007
HOT RODS
MSRP: $49.95Now: $45.86Was: $50.95HOT RODS Crank Bearings K007Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240245- SKU:
- 9240245
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- MAIN CRANKSHAFT
- UNITS:
- KIT
- TYPE:
- BALL
MSRP: $49.95Now: $45.86Was: $50.95 -
HOT RODS Crank Bearings K070
HOT RODS
MSRP: $81.95Now: $75.56Was: $83.95HOT RODS Crank Bearings K070Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240246- SKU:
- 9240246
- Availability:
- Ships Same Business Day
- Weight:
- 1.80 LBS
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- ATV
- TYPE:
- BALL
- UNITS:
- SET
- APPLICATION:
- MAIN CRANKSHAFT
MSRP: $81.95Now: $75.56Was: $83.95 -
HOT RODS Crank Bearings K072
HOT RODS
MSRP: $72.95Now: $66.56Was: $73.95HOT RODS Crank Bearings K072Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240247- SKU:
- 9240247
- Availability:
- Ships Same Business Day
- Weight:
- 1.51 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- PRODUCT NAME:
- BEARING
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- BALL
MSRP: $72.95Now: $66.56Was: $73.95 -
HOT RODS Crank Bearings K074
HOT RODS
MSRP: $96.95Now: $89.06Was: $98.95HOT RODS Crank Bearings K074Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240283- SKU:
- 9240283
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
MSRP: $96.95Now: $89.06Was: $98.95 -
HOT RODS Crank Bearings K083
HOT RODS
MSRP: $36.95Now: $34.16Was: $37.95HOT RODS Crank Bearings K083Precision, high-quality main bearing and seal kits complement installation of Hot Rods crankshaft assemblies9240286- SKU:
- 9240286
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- BEARING
- TYPE:
- BALL
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $36.95Now: $34.16Was: $37.95 -
HOT RODS Crank Bearings K090
HOT RODS
MSRP: $79.95Now: $71.96Was: $79.95HOT RODS Crank Bearings K090Seal kits complement installation of Hot Rods crankshaft assemblies9240399- SKU:
- 9240399
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- STREET
MSRP: $79.95Now: $71.96Was: $79.95 -
HOT RODS Crank Bearings K091
HOT RODS
MSRP: $68.95Now: $62.96Was: $69.95HOT RODS Crank Bearings K091Seal kits complement installation of Hot Rods crankshaft assemblies9240400- SKU:
- 9240400
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- PRODUCT NAME:
- BEARING SET
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
MSRP: $68.95Now: $62.96Was: $69.95 -
HOT RODS Crank Bearings K092
HOT RODS
MSRP: $134.95Now: $124.16Was: $137.95HOT RODS Crank Bearings K092Seal kits complement installation of Hot Rods crankshaft assemblies9240401- SKU:
- 9240401
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- APPLICATION:
- MAIN CRANKSHAFT
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- BEARING SET
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $134.95Now: $124.16Was: $137.95 -
HOT RODS Bottom End Kit CBK0170
HOT RODS
MSRP: $626.15Now: $563.54Was: $626.15Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker Kits" crankshaft assemblies...9210580- SKU:
- 9210580
- Weight:
- 163.00 LBS
MSRP: $626.15Now: $563.54Was: $626.15Qty in Cart: 0Quantity:Price:MSRP: $626.15Now: $563.54Was: $626.15Subtotal: -
HOT RODS Bottom End Kit CBK0171
HOT RODS
MSRP: $679.95Now: $624.56Was: $693.95HOT RODS Bottom End Kit CBK0171Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker...9210581- SKU:
- 9210581
- Availability:
- Ships Same Business Day
- Weight:
- 13.55 LBS
- MATERIAL:
- 4140 STEEL
- UNITS:
- KIT
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- 4-CYCLE
- TYPE:
- OE REPLACEMENT
- PRODUCT NAME:
- BOTTOM END KIT
- STROKE LENGTH METRIC:
- STANDARD
MSRP: $679.95Now: $624.56Was: $693.95 -
HOT RODS Bottom End Kit CBK0172
HOT RODS
MSRP: $603.95Now: $554.36Was: $615.95HOT RODS Bottom End Kit CBK0172Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker...9210582- SKU:
- 9210582
- Availability:
- Ships Same Business Day
- Weight:
- 11.05 LBS
- MATERIAL:
- 4140 STEEL
- MODEL:
- 4-CYCLE
- STROKE LENGTH METRIC:
- STANDARD
- TYPE:
- OE REPLACEMENT
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- BOTTOM END KIT
MSRP: $603.95Now: $554.36Was: $615.95 -
HOT RODS Bottom End Kit CBK0173
HOT RODS
MSRP: $711.95Now: $653.36Was: $725.95HOT RODS Bottom End Kit CBK0173Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker...9210583- SKU:
- 9210583
- Availability:
- Ships Same Business Day
- Weight:
- 10.50 LBS
- COLOR/FINISH:
- STEEL
- MATERIAL:
- 4140 STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OE REPLACEMENT
- UNITS:
- KIT
- PRODUCT NAME:
- BOTTOM END KIT
- MODEL:
- 4-CYCLE
- STROKE LENGTH METRIC:
- STANDARD
MSRP: $711.95Now: $653.36Was: $725.95Qty in Cart: 0Quantity:Price:MSRP: $711.95Now: $653.36Was: $725.95Subtotal: -
HOT RODS Bottom End Kit CBK0174
HOT RODS
MSRP: $776.95Now: $699.26Was: $776.95Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker Kits" crankshaft assemblies...9210584- SKU:
- 9210584
- Weight:
- 10.15 LBS
MSRP: $776.95Now: $699.26Was: $776.95Qty in Cart: 0Quantity:Price:MSRP: $776.95Now: $699.26Was: $776.95Subtotal: -
HOT RODS Bottom End Kit CBK0194
HOT RODS
MSRP: $484.95Now: $445.46Was: $494.95HOT RODS Bottom End Kit CBK0194Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker...9210585- SKU:
- 9210585
- Availability:
- Ships Same Business Day
- Weight:
- 10.35 LBS
- MODEL:
- 4-CYCLE
- UNITS:
- KIT
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- STANDARD
- COLOR/FINISH:
- STEEL
- PRODUCT NAME:
- BOTTOM END KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- OE REPLACEMENT
MSRP: $484.95Now: $445.46Was: $494.95 -
HOT RODS Bottom End Kit CBK0197
HOT RODS
MSRP: $538.95Now: $494.96Was: $549.95HOT RODS Bottom End Kit CBK0197Kit features everything needed to complete crankshaft installation including Hot Rods main bearings and seals kit plus a complete engine gasket set that includes all gaskets and seals for a complete engine rebuild, "Stroker...9210588- SKU:
- 9210588
- Availability:
- Ships Same Business Day
- Weight:
- 10.20 LBS
- MODEL:
- 4-CYCLE
- DISPLACEMENT:
- 257 CC
- MATERIAL:
- 4140 STEEL
- STROKE LENGTH METRIC:
- +1.50 MM
- COLOR/FINISH:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- STROKER
- UNITS:
- KIT
- PRODUCT NAME:
- BOTTOM END KIT
MSRP: $538.95Now: $494.96Was: $549.95Qty in Cart: 0Quantity:Price:MSRP: $538.95Now: $494.96Was: $549.95Subtotal: -
HOT RODS Crankshaft Kit CBK0001
HOT RODS
MSRP: $259.95Now: $233.96Was: $259.95HOT RODS Crankshaft Kit CBK0001Assembly 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...9210260- SKU:
- 9210260
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
- TYPE:
- OEM
- PRODUCT NAME:
- CRANKSHAFT KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $259.95Now: $233.96Was: $259.95 -
HOT RODS Crankshaft Kit CBK0003
HOT RODS
MSRP: $625.95Now: $574.16Was: $637.95HOT RODS Crankshaft Kit CBK0003Assembly 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...9210262- SKU:
- 9210262
- Availability:
- Ships Same Business Day
- Weight:
- 9.80 LBS
- PRODUCT NAME:
- CRANKSHAFT KIT
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
MSRP: $625.95Now: $574.16Was: $637.95 -
HOT RODS Crankshaft Kit CBK0004
HOT RODS
MSRP: $603.95Now: $554.36Was: $615.95HOT RODS Crankshaft Kit CBK0004Assembly 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...9210263- SKU:
- 9210263
- Availability:
- Ships Same Business Day
- Weight:
- 9.47 LBS
- TYPE:
- OEM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- CRANKSHAFT KIT
- UNITS:
- KIT
MSRP: $603.95Now: $554.36Was: $615.95