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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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JAMES GASKET Primary Drain Plug O-Ring 11324
JAMES GASKET
$8.40JAMES GASKET Primary Drain Plug O-Ring 11324Made in the U.S.A.09350118- SKU:
- 09350118
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- DRAIN PLUG
- PRODUCT NAME:
- O-RING
- UNITS:
- 10 PACK
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- TYPE:
- PRIMARY COVER
$8.40 -
JAMES GASKET Starter/Case O-Ring - Big Twin 27444-00-Y
JAMES GASKET
$6.60JAMES GASKET Starter/Case O-Ring Big Twin 27444-00-YMade in the U.S.A.09350119- SKU:
- 09350119
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- STARTER MOTOR
- PRODUCT NAME:
- O-RING
- UNITS:
- 5 PACK
- APPLICATION:
- CRANKCASE
- MATERIAL:
- VITON
- RIDING STYLE:
- STREET
- TYPE:
- OIL
$6.60 -
JAMES GASKET Starter Shaft Seal - Big Twin 12066-A
JAMES GASKET
$29.60JAMES GASKET Starter Shaft Seal Big Twin 12066-AMade in the U.S.A.09350122- SKU:
- 09350122
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- APPLICATION:
- STARTER SHAFT
- UNITS:
- 5 PACK
- PRODUCT NAME:
- SEAL
$29.60 -
JAMES GASKET Main Drive Gear - Twin Cam 12074
JAMES GASKET
$10.95JAMES GASKET Main Drive Gear Twin Cam 12074Top quality main drive gear shaft seals09350123- SKU:
- 09350123
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- APPLICATION:
- MAIN DRIVE GEAR
- PRODUCT NAME:
- SEAL
- UNITS:
- EACH
$10.95 -
JAMES GASKET Main Drive Gear Seal - Big Twin 12074-K
JAMES GASKET
$26.95JAMES GASKET Main Drive Gear Seal Big Twin 12074-KTop quality main drive gear shaft seals09350124- SKU:
- 09350124
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- APPLICATION:
- MAIN DRIVE GEAR
- RIDING STYLE:
- STREET
- TYPE:
- OIL
- PRODUCT NAME:
- SEAL KIT
- UNITS:
- KIT
$26.95 -
JAMES GASKET Inner Primary Bolt Seal 31434-06
JAMES GASKET
$13.30JAMES GASKET Inner Primary Bolt Seal 31434-06Made in the U.S.A.09350127- SKU:
- 09350127
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- MOTOR
- PRODUCT NAME:
- SEAL
- UNITS:
- 10 PACK
- APPLICATION:
- INNER PRIMARY
- RIDING STYLE:
- STREET
$13.30 -
JAMES GASKET Trans to Engine Seal - Twin Cam 35607-06
JAMES GASKET
$15.95JAMES GASKET Trans to Engine Seal Twin Cam 35607-06Made in the U.S.A.09350128- SKU:
- 09350128
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- APPLICATION:
- TRANSMISSION
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- APPLICATION:
- ENGINE
- PRODUCT NAME:
- SEAL
$15.95 -
JAMES GASKET Pushrod Washer - Big Twin 6737
JAMES GASKET
$10.50JAMES GASKET Pushrod Washer Big Twin 6737Made in the U.S.A.09350131- SKU:
- 09350131
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- WASHER
- APPLICATION:
- PUSHROD TUBE
- RIDING STYLE:
- STREET
- UNITS:
- 20 PACK
$10.50 -
JAMES GASKET Trans Cover Gasket - M8 JGI-25700453
JAMES GASKET
$15.40JAMES GASKET Trans Cover Gasket M8 JGI-25700453Replacement Gaskets, Seals and O-Rings for Big Twin Transmissions, Get the top quality of Genuine James, delivered with the great service of Drag Specialties, Genuine James gaskets, seals and O-rings for Big...09345971- SKU:
- 09345971
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- COVER
- RIDING STYLE:
- STREET
- TYPE:
- TANSMISSION
- UNITS:
- 5 PACK
$15.40 -
JAMES GASKET Primary Cover Gasket - M8 25700378
JAMES GASKET
$42.95JAMES GASKET Primary Cover Gasket M8 25700378JAMES GASKET Primary Cover Gasket - M809345972- SKU:
- 09345972
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- UNITS:
- EACH
- TYPE:
- PRIMARY COVER
- PRODUCT NAME:
- GASKET
- RIDING STYLE:
- STREET
$42.95 -
JAMES GASKET Transmission Gasket Kit - M8 JGI-33031-17
JAMES GASKET
$95.95JAMES GASKET Transmission Gasket Kit M8 JGI-33031-17Made in the U.S.A.09345973- SKU:
- 09345973
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
$95.95 -
JAMES GASKET Top End Kit Gasket - M8 25700729
JAMES GASKET
$99.95JAMES GASKET Top End Kit Gasket M8 25700729JAMES GASKET Top End Kit Gasket - M809345974- SKU:
- 09345974
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- EACH
- TYPE:
- TOP END
$99.95 -
JAMES GASKET Motor Gasket Kit - M8 JGI-25700730
JAMES GASKET
$109.95JAMES GASKET Motor Gasket Kit M8 JGI-25700730JAMES GASKET Motor Gasket Kit - M809345975- SKU:
- 09345975
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- EACH
- TYPE:
- MOTOR
$109.95 -
JAMES GASKET Cam Gasket Kit - M8 JGI-25700370-K
JAMES GASKET
$48.95JAMES GASKET Cam Gasket Kit M8 JGI-25700370-KKits include all necessary gaskets, seals, O-rings and cork washers for doing a cam change09345976- SKU:
- 09345976
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$48.95 -
JAMES GASKET Rocker Cover Gasket - M8 17030-17
JAMES GASKET
$64.95JAMES GASKET Rocker Cover Gasket M8 17030-17Made in the U.S.A.09345977- SKU:
- 09345977
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- TYPE:
- ROCKER BOX
- UNITS:
- KIT
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
$64.95 -
JAMES GASKET Primary Gasket Kit JGI-25700378-K
JAMES GASKET
$59.95JAMES GASKET Primary Gasket Kit JGI-25700378-KTop quality gaskets, seals and O-rings meet or exceed OEM specifications, Primary gasket features silicone beading, Made in the U.S.A.09345978- SKU:
- 09345978
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$59.95 -
On Sale
JAMES GASKET Neutral Safety Switch Gasket ST-11900064
JAMES GASKET
MSRP: $3.95Now: $2.00Was: $3.95JAMES GASKET Neutral Safety Switch Gasket ST-11900064Neutral safety switch gasket for Harley Davidson models09346473- SKU:
- 09346473
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- GASKET
- TYPE:
- NEUTRAL INDICATOR
- UNITS:
- EACH
MSRP: $3.95Now: $2.00Was: $3.95 -
On Sale
JAMES GASKET Cylinder Head Gasket ST-16500085
JAMES GASKET
MSRP: $97.95Now: $59.00Was: $97.95JAMES GASKET Cylinder Head Gasket ST-16500085Genuine James kits include matching head and base gaskets and O-rings where applicable, Made in the U.S.A.09346474- SKU:
- 09346474
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MATERIAL:
- -
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0,045'
- BORE SIZE:
- STANDARD
- BORE SIZE IMPERIAL:
- STANDARD
- TYPE:
- CYLINDER HEAD
- PRODUCT NAME:
- GASKET
- THICKNESS METRIC:
- 1.14 MM
- UNITS:
- 2 PACK
MSRP: $97.95Now: $59.00Was: $97.95 -
On Sale
JAMES GASKET Cylinder Head Gasket ST-16500123
JAMES GASKET
MSRP: $97.95Now: $59.00Was: $97.95JAMES GASKET Cylinder Head Gasket ST-16500123Genuine James kits include matching head and base gaskets and O-rings where applicable, Made in the U.S.A.09346476- SKU:
- 09346476
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- -
- THICKNESS IMPERIAL:
- 0,045'
- BORE SIZE:
- STANDARD
- PRODUCT NAME:
- GASKET
- THICKNESS METRIC:
- 1.14 MM
- TYPE:
- CYLINDER HEAD
- BORE SIZE IMPERIAL:
- STANDARD
- UNITS:
- 2 PACK
MSRP: $97.95Now: $59.00Was: $97.95 -
JAMES GASKET Cylinder Base Gasket ST-16500127
JAMES GASKET
$90.95JAMES GASKET Cylinder Base Gasket ST-16500127Genuine James kits include matching head and base gaskets and O-rings where applicable, Made in the U.S.A.09346477- SKU:
- 09346477
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- CYLINDER BASE
- UNITS:
- 5 PACK
- MATERIAL:
- -
- BORE SIZE IMPERIAL:
- STANDARD
- RIDING STYLE:
- STREET
- STYLE:
- STANDARD BORE
- THICKNESS IMPERIAL:
- -
- THICKNESS METRIC:
- -
$90.95
