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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XCELDYNE Valve Locks XLOM50750
XCELDYNE
$42.95XCELDYNE Valve Locks XLOM50750CNC-machined from 8620 steel, Industry first color coded, purpose-built intake-sized and exhaust-sized design, Design allows keepers to stay locked at higher rpm9260521- SKU:
- 9260521
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- PRODUCT NAME:
- LOCK
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- SET OF 4
$42.95Qty in Cart: 0Quantity:Price:$42.95Subtotal: -
XCELDYNE Valve Locks XLOM50751
XCELDYNE
$42.95XCELDYNE Valve Locks XLOM50751CNC-machined from 8620 steel, Industry first color coded, purpose-built intake-sized and exhaust-sized design, Design allows keepers to stay locked at higher rpm9260522- SKU:
- 9260522
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- EXHAUST
- MATERIAL:
- STEEL
- PRODUCT NAME:
- LOCK
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- UNITS:
- SET OF 4
$42.95 -
XCELDYNE Valve Guide Kit - Exhaust CVGM13005
XCELDYNE
$47.95XCELDYNE Valve Guide Kit Exhaust CVGM13005Highest tolerances for correct valve stem support and fitment in cylinder head, Built from Xceldyne's specified blend of Manganese-bronze, Heat dissipation (thermal conductivity) and valve stem lubrication are...9260608- SKU:
- 9260608
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- VALVE GUIDE
- MATERIAL:
- MANGANESE-BRONZE
- RIDING STYLE:
- OFF-ROAD
- APPLICATION:
- EXHAUST
- UNITS:
- 2 PIECE
$47.95 -
XCELDYNE Valve Spring Bucket XBT33101
XCELDYNE
$154.95XCELDYNE Valve Spring Bucket XBT33101Built using the same technology as the CV4 Formula 1 buckets, Made with proprietary steel for the lightest and strongest part possible, Diamond-like-Carbon (DLC) coating substantially reduces friction and decreases...9260628- SKU:
- 9260628
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- PRODUCT NAME:
- SPRING BUCKET
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- APPLICATION:
- INTAKE
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
XCELDYNE Valve Spring Bucket XBT43301
XCELDYNE
$154.95XCELDYNE Valve Spring Bucket XBT43301Built using the same technology as the CV4 Formula 1 buckets, Made with proprietary steel for the lightest and strongest part possible, Diamond-like-Carbon (DLC) coating substantially reduces friction and decreases...9260631- SKU:
- 9260631
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SPRING BUCKET
- APPLICATION:
- EXHAUST
- APPLICATION:
- INTAKE
- MATERIAL:
- STEEL
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- EACH
$154.95Qty in Cart: 0Quantity:Price:$154.95Subtotal: -
XCELDYNE Intake Valve Springs PSIMX1905
XCELDYNE
$78.95XCELDYNE Intake Valve Springs PSIMX1905Single spring, low drag design increases horsepower, Springs can only be used on titanium valves, Designed for use with most cam grinds, Purpose built racing valve spring made from the highest quality Kobe spring...9260637- SKU:
- 9260637
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- SPRING
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$78.95 -
XCELDYNE Intake/Exhaust Valve Springs PSIMX2004
XCELDYNE
$198.95XCELDYNE Intake/Exhaust Valve Springs PSIMX2004Single spring, low drag design increases horsepower, Springs can only be used on titanium valves, Designed for use with most cam grinds, Purpose built racing valve spring made from the highest quality Kobe...9260640- SKU:
- 9260640
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- UNITS:
- PAIR
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING
$198.95 -
XCELDYNE Intake Valve Springs PSIMX2104
XCELDYNE
$78.95XCELDYNE Intake Valve Springs PSIMX2104Single spring, low drag design increases horsepower, Springs can only be used on titanium valves, Designed for use with most cam grinds, Purpose built racing valve spring made from the highest quality Kobe spring...9260643- SKU:
- 9260643
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- APPLICATION:
- INTAKE
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- PRODUCT NAME:
- SPRING
- UNITS:
- PAIR
$78.95 -
XCELDYNE Exhaust Valve Springs PSIMX2401
XCELDYNE
$78.95XCELDYNE Exhaust Valve Springs PSIMX2401Single spring, low drag design increases horsepower, Springs can only be used on titanium valves, Designed for use with most cam grinds, Purpose built racing valve spring made from the highest quality Kobe spring...9260647- SKU:
- 9260647
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- APPLICATION:
- EXHAUST
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- UNITS:
- PAIR
$78.95 -
XCELDYNE Intake Valve Springs PSIMX2402
XCELDYNE
$78.95XCELDYNE Intake Valve Springs PSIMX2402Single spring, low drag design increases horsepower, Springs can only be used on titanium valves, Designed for use with most cam grinds, Purpose built racing valve spring made from the highest quality Kobe spring...9260648- SKU:
- 9260648
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- APPLICATION:
- INTAKE
- RIDING STYLE:
- ATV
- UNITS:
- PAIR
$78.95 -
XCELDYNE Exhaust Valve Springs PSIMX2404
XCELDYNE
$78.95XCELDYNE Exhaust Valve Springs PSIMX2404Single spring, low drag design increases horsepower, Springs can only be used on titanium valves, Designed for use with most cam grinds, Purpose built racing valve spring made from the highest quality Kobe spring...9260649- SKU:
- 9260649
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- EXHAUST
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- SPRING
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- PAIR
$78.95Qty in Cart: 0Quantity:Price:$78.95Subtotal: -
XCELDYNE Valve Seal Kit CVMSEA11000
XCELDYNE
$15.95XCELDYNE Valve Seal Kit CVMSEA11000Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260651- SKU:
- 9260651
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- TYPE:
- VALVE
- MATERIAL:
- VITON
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- PRODUCT NAME:
- SEAL KIT
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
XCELDYNE Valve Seal Kit CVMSEA12000
XCELDYNE
$15.95XCELDYNE Valve Seal Kit CVMSEA12000Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260652- SKU:
- 9260652
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- SEAL KIT
- MATERIAL:
- VITON
- TYPE:
- VALVE
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$15.95 -
XCELDYNE Valve Seal Kit CVMSEA12001
XCELDYNE
$15.95XCELDYNE Valve Seal Kit CVMSEA12001Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260653- SKU:
- 9260653
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- VITON
- TYPE:
- VALVE
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$15.95 -
XCELDYNE Valve Seal Kit CVMSEA13000
XCELDYNE
$15.95XCELDYNE Valve Seal Kit CVMSEA13000Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260654- SKU:
- 9260654
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
$15.95Qty in Cart: 0Quantity:Price:$15.95Subtotal: -
XCELDYNE Valve Seal Kit CVMSEA13001
XCELDYNE
$15.95XCELDYNE Valve Seal Kit CVMSEA13001Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260655- SKU:
- 9260655
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- UNITS:
- KIT
$15.95 -
XCELDYNE Valve Seal Kit CVMSEA22000
XCELDYNE
$15.95XCELDYNE Valve Seal Kit CVMSEA22000Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260656- SKU:
- 9260656
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- VITON
- PRODUCT NAME:
- SEAL KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- TYPE:
- VALVE
$15.95 -
XCELDYNE Valve Seal Kit CVMSEA23000
XCELDYNE
$15.95XCELDYNE Valve Seal Kit CVMSEA23000Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260657- SKU:
- 9260657
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
$15.95 -
XCELDYNE Valve Seal Kit CVMSEA33000
XCELDYNE
$15.95XCELDYNE Valve Seal Kit CVMSEA33000Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260658- SKU:
- 9260658
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
- MATERIAL:
- VITON
- RIDING STYLE:
- OFF-ROAD
- TYPE:
- VALVE
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$15.95 -
XCELDYNE Valve Seal Kit CVMSEA42000
XCELDYNE
$19.95XCELDYNE Valve Seal Kit CVMSEA42000Made from premium Viton material and offers superior oil control, Exhibit the least amount of parasitic drag and wear on the valve, giving greater life of the valve and better power, Fit OE valve and valve guide...9260660- SKU:
- 9260660
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$19.95Qty in Cart: 0Quantity:Price:$19.95Subtotal:
