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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Dirt Bike Cams and Parts
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Dirt Bike Connecting Rods and Parts
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Dirt Bike Crankcases and Parts
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Dirt Bike Crankshafts and Parts
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Dirt Bike Cylinder Heads and Parts
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Dirt Bike Cylinders and Parts
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Dirt Bike Engine Bearings
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Dirt Bike Engine Covers
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Dirt Bike Engine Gaskets and Kits
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Dirt Bike Engine Rebuild Kits
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Dirt Bike Engine Seals - Orings and Kits
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Dirt Bike Engine Valves and Parts
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Dirt Bike Flywheel and Rod Assemblies
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Dirt Bike Fuel Filters
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Dirt Bike Miscellaneous Engine Parts
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Dirt Bike Oil Coolers
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Dirt Bike Oil Filters
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Dirt Bike Oil Lines
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Dirt Bike Oil Pumps
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Dirt Bike Piston and Ring Kits
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Dirt Bike Piston Rings Only
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Dirt Bike Wrist Pins and Circlips
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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HOT CAMS Camshaft 1016-1
HOT CAMS
$374.95HOT 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
$374.95 -
On Sale
HOT RODS Connecting Rod 8159
HOT RODS
MSRP: $123.95Now: $113.36Was: $125.95HOT RODS Connecting Rod 8159Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...CR177- SKU:
- CR177
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- ENGINE TYPE:
- 2-CYCLE
- FEATURES:
- INCLUDES THRUST WASHERS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- 8620 STEEL
MSRP: $123.95Now: $113.36Was: $125.95 -
On Sale
HOT RODS Connecting Rod 8143
HOT RODS
MSRP: $123.95Now: $113.36Was: $125.95HOT RODS Connecting Rod 8143Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...CR174- SKU:
- CR174
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MATERIAL:
- 8620 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- PRODUCT NAME:
- CONNECTING ROD KIT
- ENGINE TYPE:
- 2-CYCLE
MSRP: $123.95Now: $113.36Was: $125.95 -
On Sale
HOT RODS Connecting Rod 8147
HOT RODS
MSRP: $112.95Now: $103.46Was: $114.95HOT RODS Connecting Rod 8147Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...CR171- SKU:
- CR171
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- ENGINE TYPE:
- 2-CYCLE
- UNITS:
- KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
MSRP: $112.95Now: $103.46Was: $114.95 -
On Sale
HOT RODS Connecting Rod 8139
HOT RODS
MSRP: $134.95Now: $124.16Was: $137.95HOT RODS Connecting Rod 8139Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...CR166- SKU:
- CR166
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MATERIAL:
- 8620 STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- ENGINE TYPE:
- 2-CYCLE
- PRODUCT NAME:
- CONNECTING ROD KIT
MSRP: $134.95Now: $124.16Was: $137.95 -
On Sale
HOT RODS Connecting Rod 8140
HOT RODS
Now: $135.59Was: $150.65HOT RODS Connecting Rod 8140Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...CR165- SKU:
- CR165
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- FEATURES:
- INCLUDES THRUST WASHERS
- ENGINE TYPE:
- 2-CYCLE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
Now: $135.59Was: $150.65 -
On Sale
HOT RODS Connecting Rod 8148
HOT RODS
MSRP: $172.95Now: $158.36Was: $175.95HOT RODS Connecting Rod 8148Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...CR164- SKU:
- CR164
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-CYCLE
- FEATURES:
- INCLUDES THRUST WASHERS
- UNITS:
- KIT
MSRP: $172.95Now: $158.36Was: $175.95 -
On Sale
HOT RODS Connecting Rod 8141
HOT RODS
MSRP: $133.95Now: $123.26Was: $136.95HOT RODS Connecting Rod 8141Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...CR161- SKU:
- CR161
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- MATERIAL:
- 8620 STEEL
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- ENGINE TYPE:
- 2-CYCLE
- FEATURES:
- INCLUDES THRUST WASHERS
- UNITS:
- KIT
MSRP: $133.95Now: $123.26Was: $136.95 -
On Sale
HOT RODS Connecting Rod 8142
HOT RODS
MSRP: $123.95Now: $113.36Was: $125.95HOT RODS Connecting Rod 8142Heavy-duty OE replacement connecting rods, Certified 8620 AISI steel provides superior strength, Crankpins are manufactured from hot-rolled ASTM 4115 and case hardened to 58-62Rc, Feature the latest in caged needle roller...CR160- SKU:
- CR160
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- ENGINE TYPE:
- 2-CYCLE
- UNITS:
- KIT
- FEATURES:
- INCLUDES THRUST WASHERS
- PRODUCT NAME:
- CONNECTING ROD KIT
- RIDING STYLE:
- OFF-ROAD
- MATERIAL:
- 8620 STEEL
MSRP: $123.95Now: $113.36Was: $125.95 -
COMETIC Top End Gasket Set - RM85 C7857
COMETIC
$31.95COMETIC Top End Gasket Set RM85 C7857Top 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...C7857- SKU:
- C7857
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- UNITS:
- KIT
$31.95 -
COMETIC Top End Gasket Set - YZ250 C7855
COMETIC
$47.95COMETIC Top End Gasket Set YZ250 C7855Top 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...C7855- SKU:
- C7855
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- ENGINE TYPE:
- 4-STROKE
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- TOP END
$47.95 -
COMETIC Top End Gasket Set - Kawasaki C7393
COMETIC
$44.95COMETIC Top End Gasket Set Kawasaki C7393Top 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...C7393- SKU:
- C7393
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE SIZE METRIC:
- 56.00 MM
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- UNITS:
- KIT
$44.95Qty in Cart: 0Quantity:Price:$44.95Subtotal: -
COMETIC Top End Gasket Set - Kawasaki C7392
COMETIC
$44.95COMETIC Top End Gasket Set Kawasaki C7392Top 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...C7392- SKU:
- C7392
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- OFF-ROAD
- BORE SIZE METRIC:
- 53.00 MM
- PRODUCT NAME:
- GASKET KIT
- TYPE:
- TOP END
- UNITS:
- KIT
$44.95 -
COMETIC Gasket Set - XR400 C7279
COMETIC
$40.95COMETIC Gasket Set XR400 C7279Top 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 sealing...C7279- SKU:
- C7279
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- RIDING STYLE:
- OFF-ROAD
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- BORE SIZE METRIC:
- 86.00 MM
- TYPE:
- TOP END
- UNITS:
- KIT
$40.95 -
COMETIC Gasket Set - PW80 C7251
COMETIC
$32.95COMETIC Gasket Set PW80 C7251Top 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 sealing...C7251- SKU:
- C7251
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BORE SIZE METRIC:
- 50.00 MM
- TYPE:
- TOP END
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
$32.95Qty in Cart: 0Quantity:Price:$32.95Subtotal: -
COMETIC Gasket Set - TT600 C7213
COMETIC
$36.95COMETIC Gasket Set TT600 C7213Top 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 sealing...C7213- SKU:
- C7213
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BORE SIZE METRIC:
- 97.00 MM
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- TOP END
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$36.95 -
COMETIC Top End Gasket Set - XR650 C3216
COMETIC
$40.95COMETIC Top End Gasket Set XR650 C3216Top 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...C7151- SKU:
- C7151
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- PRODUCT NAME:
- GASKET KIT
- BORE SIZE METRIC:
- 102.50 MM
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- TOP END
- UNITS:
- KIT
$40.95 -
COMETIC Top End Gasket Set - Suzuki C7136
COMETIC
$40.95COMETIC Top End Gasket Set Suzuki C7136Top 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...C7136- SKU:
- C7136
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$40.95 -
COMETIC Top End Gasket Set - Honda C7126
COMETIC
$34.95COMETIC Top End Gasket Set Honda C7126Top 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...C7126- SKU:
- C7126
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$34.95Qty in Cart: 0Quantity:Price:$34.95Subtotal: -
COMETIC Top End Gasket Set - Honda C7116
COMETIC
$47.95COMETIC Top End Gasket Set Honda C7116Top 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...C7116- SKU:
- C7116
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- BORE SIZE METRIC:
- 68.50 MM
- THICKNESS IMPERIAL:
- 0,012'
- THICKNESS METRIC:
- 0.31 MM
- TYPE:
- TOP END
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
- RIDING STYLE:
- OFF-ROAD
$47.95
