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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- Qty in Cart
- Quantity
- Price
- Subtotal
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KIBBLEWHITE Valve Guide - Big Twin 20-2024C
KIBBLEWHITE
$9.95KIBBLEWHITE Valve Guide Big Twin 20-2024CPrecision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Made in the U.S.A.09260752- SKU:
- 09260752
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- SIZE IMPERIAL:
- OVERSIZE (+0.004')
- INSIDE DIAMETER IMPERIAL:
- 0.3760'
- MATERIAL:
- CAST IRON
- OUTSIDE DIAMETER IMPERIAL:
- 0.5690'
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- STREET
$9.95 -
KIBBLEWHITE Valve Guide - Big Twin 20-2034C
KIBBLEWHITE
$9.95KIBBLEWHITE Valve Guide Big Twin 20-2034CPrecision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Made in the U.S.A.09260753- SKU:
- 09260753
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- PRODUCT NAME:
- VALVE GUIDE
- SIZE IMPERIAL:
- OVERSIZE (+0.004')
- UNITS:
- EACH
- APPLICATION:
- EXHAUST
- MATERIAL:
- CAST IRON
- INSIDE DIAMETER IMPERIAL:
- 0.3760'
- OUTSIDE DIAMETER IMPERIAL:
- 0.5690'
- RIDING STYLE:
- STREET
$9.95 -
KIBBLEWHITE Valve Guide - Big Twin 20-2020C
KIBBLEWHITE
$9.95KIBBLEWHITE Valve Guide Big Twin 20-2020CPrecision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Made in the U.S.A.09260754- SKU:
- 09260754
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3760'
- RIDING STYLE:
- STREET
- SIZE IMPERIAL:
- STANDARD
- APPLICATION:
- INTAKE
- OUTSIDE DIAMETER IMPERIAL:
- 0.5650'
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
- MATERIAL:
- CAST IRON
$9.95 -
KIBBLEWHITE Cast Iron Valve Guide 20-2051C
KIBBLEWHITE
$9.95KIBBLEWHITE Cast Iron Valve Guide 20-2051CPrecision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Accept special valve guide seals (sold separately), Made in the U.S.A.09260755- SKU:
- 09260755
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.3745'
- OUTSIDE DIAMETER IMPERIAL:
- 0.6260'
- RIDING STYLE:
- STREET
- MATERIAL:
- CAST IRON
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- UNITS:
- EACH
$9.95 -
KIBBLEWHITE Cast Iron Valve Guide 20-2061C
KIBBLEWHITE
$9.95KIBBLEWHITE Cast Iron Valve Guide 20-2061CPrecision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Accept special valve guide seals (sold separately), Made in the U.S.A.09260756- SKU:
- 09260756
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.6260'
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.3745'
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
$9.95 -
KIBBLEWHITE Cast Iron Valve Guide 20-2052C
KIBBLEWHITE
$9.95KIBBLEWHITE Cast Iron Valve Guide 20-2052CPrecision-machined from cast iron, Compatible with no-lead fuel and accept any type of valve-stem material, Accept special valve guide seals (sold separately), Made in the U.S.A.09260757- SKU:
- 09260757
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- APPLICATION:
- INTAKE
- UNITS:
- EACH
- INSIDE DIAMETER IMPERIAL:
- 0.3745'
- OUTSIDE DIAMETER IMPERIAL:
- 0.6270'
- RIDING STYLE:
- STREET
- MATERIAL:
- CAST IRON
- PRODUCT NAME:
- VALVE GUIDE
$9.95 -
KIBBLEWHITE Intake Valve Guide 30-30730
KIBBLEWHITE
$15.95KIBBLEWHITE Intake Valve Guide 30-30730All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Keepers are not included, Made in the U.S.A.09300019- SKU:
- 09300019
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MATERIAL:
- AMPCO-45
- INSIDE DIAMETER IMPERIAL:
- 0.2155'
- OUTSIDE DIAMETER IMPERIAL:
- 0.4360'
- APPLICATION:
- INTAKE
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$15.95 -
KIBBLEWHITE Exhaust Valve Guide 30-30740
KIBBLEWHITE
$15.95KIBBLEWHITE Exhaust Valve Guide 30-30740All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Keepers are not included, Made in the U.S.A.09300021- SKU:
- 09300021
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- INSIDE DIAMETER IMPERIAL:
- 0.2150'
- APPLICATION:
- EXHAUST
- OUTSIDE DIAMETER IMPERIAL:
- 0.4360'
- MATERIAL:
- AMPCO-45
- PRODUCT NAME:
- VALVE GUIDE
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$15.95 -
KIBBLEWHITE Exhaust Spigot - Big Twin 20-2104
KIBBLEWHITE
$11.95KIBBLEWHITE Exhaust Spigot Big Twin 20-2104Designed and machined from 6061 T-6 aluminum extruded tubing, Allows you to rebuild the exhaust attachment point on your classic Panhead engine, Welding required, Made in the U.S.A.09300059- SKU:
- 09300059
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- COLOR/FINISH:
- ALUMINUM
- MATERIAL:
- 6061 T6 ALUMINUM
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- EXHAUST SPIGOT
- UNITS:
- EACH
$11.95 -
KB PERFORMANCE Forged Piston Kit - Twin Cam KB661C.STD
KB PERFORMANCE
$335.95KB PERFORMANCE Forged Piston Kit Twin Cam KB661C.STDPistons forged from 4032 aluminum alloy, Offset pin design for quiet operation, Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings, Piston pin lock rings available...09103973- SKU:
- 09103973
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- BORE SIZE IMPERIAL:
- 4.000'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- RIDING STYLE:
- STREET
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- BORE - OVERSIZE:
- STANDARD
- BORE OVERSIZE - IMPERIAL:
- STANDARD
- UNITS:
- KIT
$335.95 -
KB PERFORMANCE Forged Piston Kit - Twin Cam KB661C.010
KB PERFORMANCE
$335.95KB PERFORMANCE Forged Piston Kit Twin Cam KB661C.010Pistons forged from 4032 aluminum alloy, Offset pin design for quiet operation, Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings, Piston pin lock rings available...09103975- SKU:
- 09103975
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- BORE - OVERSIZE:
- +0,010'
- COMPRESSION RATIO IMPERIAL:
- 10.0:1
- PISTON MATERIAL:
- 4032 ALUMINUM ALLOY
- UNITS:
- KIT
- BORE OVERSIZE - IMPERIAL:
- +0.010'
- BORE SIZE IMPERIAL:
- 4.010'
- RIDING STYLE:
- STREET
$335.95 -
K&S TECHNOLOGIES Water Pump Repair Gasket Kit - YZF450 75-4003
K&S TECHNOLOGIES
$37.95K&S TECHNOLOGIES Water Pump Repair Gasket Kit YZF450 75-4003Each kit includes all necessary gaskets, washers, seals and O-rings; kit contents vary by model09341923- SKU:
- 09341923
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- PRODUCT NAME:
- GASKET KIT
- RIDING STYLE:
- ATV
- TYPE:
- WATER PUMP REPAIR
- UNITS:
- KIT
$37.95Qty in Cart: 0Quantity:Price:$37.95Subtotal: -
On Sale
HOTOP Breather Gear Air Ramp PBGR-20
HOTOP
MSRP: $44.95Now: $27.00Was: $44.95HOTOP Breather Gear Air Ramp PBGR-20Increases cfm flow by approximately 80%, Helps remove more air and oil from the crankcase, Made in the U.S.A., Requires the removal of the screen on S&S breather gears.DS194254- SKU:
- DS194254
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- PRODUCT NAME:
- AIR RAMP
- TYPE:
- BREATHER GEAR
- UNITS:
- EACH
- RIDING STYLE:
- STREET
MSRP: $44.95Now: $27.00Was: $44.95 -
JAMES GASKET Exhaust Port Stainless Steel Gasket Kit - Big Twin/XL/EVO 65324-83-KW2
JAMES GASKET
$24.95JAMES GASKET Exhaust Port Stainless Steel Gasket Kit Big Twin/XL/EVO 65324-83-KW2Kits include gaskets and heavy-duty flange hex nuts or chrome acorn nuts with washers, Made in the U.S.A. by James Gaskets18610459- SKU:
- 18610459
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- GASKET
- TYPE:
- EXHAUST PORT
- UNITS:
- KIT
- FEATURES:
- KNITTED WIRE GASKETS
- MATERIAL:
- STAINLESS STEEL
- FEATURES:
- FLANGE HEX NUTS
- RIDING STYLE:
- STREET
$24.95 -
JAMES GASKET Exhaust Port Graphite Gasket Kit - Big Twin/XL/EVO 65324-83-KWG2
JAMES GASKET
$24.95JAMES GASKET Exhaust Port Graphite Gasket Kit Big Twin/XL/EVO 65324-83-KWG2Kits include gaskets and heavy-duty flange hex nuts or chrome acorn nuts with washers, Made in the U.S.A. by James Gaskets18610460- SKU:
- 18610460
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- FEATURES:
- GRAPHITE/KNITTED WIRE GASKETS
- RIDING STYLE:
- STREET
- FEATURES:
- FLANGE HEX NUTS
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- MATERIAL:
- GRAPHITE
- TYPE:
- EXHAUST PORT
$24.95 -
JAMES GASKET Exhaust Port Graphite Gasket Kit - Big Twin/XL/EVO 65324-83-KCR2
JAMES GASKET
$24.95JAMES GASKET Exhaust Port Graphite Gasket Kit Big Twin/XL/EVO 65324-83-KCR2Kits include gaskets and heavy-duty flange hex nuts or chrome acorn nuts with washers, Made in the U.S.A. by James Gaskets18610461- SKU:
- 18610461
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MATERIAL:
- COPPER
- PRODUCT NAME:
- GASKET
- TYPE:
- EXHAUST PORT
- UNITS:
- KIT
- FEATURES:
- FLANGE HEX NUTS
- RIDING STYLE:
- STREET
$24.95 -
JAMES GASKET Insulator Block Keihin 29250-78
JAMES GASKET
$29.95JAMES GASKET Insulator Block Keihin 29250-78Made in the U.S.A.DS289104- SKU:
- DS289104
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- TYPE:
- CARB INSULATOR BLOCK
- PRODUCT NAME:
- GASKET KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$29.95 -
JAMES GASKET Accel Pump Boot - XL/BT 27311-76-A
JAMES GASKET
$33.95JAMES GASKET Accel Pump Boot XL/BT 27311-76-AMade in the U.S.A.DS289105- SKU:
- DS289105
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- RIDING STYLE:
- STREET
- MATERIAL:
- RUBBER
- PRODUCT NAME:
- SEAL
- TYPE:
- ACCELERATOR PUMP
- UNITS:
- 10 PACK
$33.95 -
JAMES GASKET Linkert Carb Rebuild Kit LINKERT
JAMES GASKET
$21.95JAMES GASKET Linkert Carb Rebuild Kit LINKERTIncludes all necessary gaskets, seals and O-ringsDS289108- SKU:
- DS289108
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- CARBURETOR REBUILD
- PRODUCT NAME:
- GASKET KIT
$21.95 -
JAMES GASKET Neoprene O-Rings - 7/8"x 3/32" 253017
JAMES GASKET
$4.95JAMES GASKET Neoprene O-Rings 7/8"x 3/32" 253017Replacements for original Sundance neoprene O-ringsDS253017- SKU:
- DS253017
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- APPLICATION:
- FOOTPEG
- OUTSIDE DIAMETER IMPERIAL:
- 0.875'
- PRODUCT NAME:
- O-RING
- OUTSIDE DIAMETER:
- 0,875'
- UNITS:
- 10 PACK
- RIDING STYLE:
- STREET
- THICKNESS IMPERIAL:
- 0.094'
- MATERIAL:
- NEOPRENE
$4.95
