Dirt Bike Engine
Dirt Bike Engine Parts at JJ Motorsports
Discover a full range of dirt bike engine components for rebuilding or upgrading your performance from JJ Motorsports. From crankshafts to cylinder heads and piston kits, these precision-engineered components ensure reliable performance. For additional upgrades, check out our full selection of off-road dirt bike parts to keep your engine running at peak efficiency on the track or trails.
Shop trusted brands like Wiseco for forged piston kits and K&N for high-flow oil filters. Explore related categories such as Dirt Bike Air and Fuel for intake upgrades or Dirt Bike Exhaust for complete systems.
Browse our in-stock inventory below with same-day shipping and expert support. Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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JAGG OIL COOLERS Universal 6-Row Oil Cooler 3100
JAGG OIL COOLERS
$184.95Jagg Universal Oil Cooler Cores are the very same oil coolers that are used in high-quality Jagg kits, These units are perfect for the customizer, the fabricator, and the racer, Supplied as oil cooler only, Mounting hardware sold separately07130208- SKU:
- 07130208
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MOUNTING POSITION:
- TOP
- MOUNTING STYLE:
- BOLT-ON
- PRODUCT NAME:
- OIL COOLER
- STYLE:
- 90°
- BASE COLOR:
- BLACK
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- TYPE:
- 6-ROW
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
JAGG OIL COOLERS Universal 6-Row Oil Cooler 3110
JAGG OIL COOLERS
$184.95Jagg Universal Oil Cooler Cores are the very same oil coolers that are used in high-quality Jagg kits, These units are perfect for the customizer, the fabricator, and the racer, Supplied as oil cooler only, Mounting hardware sold separately07130209- SKU:
- 07130209
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MOUNTING STYLE:
- BOLT-ON
- COLOR/FINISH:
- BLACK
- MOUNTING POSITION:
- BOTTOM
- PRODUCT NAME:
- OIL COOLER
- TYPE:
- 6-ROW
- BASE COLOR:
- BLACK
- STYLE:
- STRAIGHT
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$184.95Qty in Cart: 0Quantity:Price:$184.95Subtotal: -
JAGG OIL COOLERS Universal 10-Row Oil Cooler 3120
JAGG OIL COOLERS
$239.95Jagg Universal Oil Cooler Cores are the very same oil coolers that are used in high-quality Jagg kits, These units are perfect for the customizer, the fabricator, and the racer, Supplied as oil cooler only, Mounting hardware sold separately07130210- SKU:
- 07130210
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BASE COLOR:
- BLACK
- TYPE:
- 10-ROW
- MOUNTING POSITION:
- BOTTOM
- PRODUCT NAME:
- OIL COOLER
- BASE FINISH:
- POWDER-COATED
- MOUNTING STYLE:
- BOLT-ON
- RIDING STYLE:
- STREET
- STYLE:
- STRAIGHT
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- UNITS:
- EACH
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
JAGG OIL COOLERS Universal 10-Row Oil Cooler 3130
JAGG OIL COOLERS
$239.95Jagg Universal Oil Cooler Cores are the very same oil coolers that are used in high-quality Jagg kits, These units are perfect for the customizer, the fabricator, and the racer, Supplied as oil cooler only, Mounting hardware sold separately07130211- SKU:
- 07130211
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- GLOSS
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
- BASE COLOR:
- BLACK
- TYPE:
- 10-ROW
- UNITS:
- EACH
- MOUNTING POSITION:
- BOTTOM
- MOUNTING STYLE:
- BOLT-ON
- PRODUCT NAME:
- OIL COOLER
- STYLE:
- 90°
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
JAGG OIL COOLERS Universal 10-Row Oil Cooler with Tabs 3150
JAGG OIL COOLERS
$239.95Jagg Universal Oil Cooler Cores are the very same oil coolers that are used in high-quality Jagg kits, These units are perfect for the customizer, the fabricator, and the racer, Supplied as oil cooler only, Mounting hardware sold separately07130213- SKU:
- 07130213
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- RIDING STYLE:
- STREET
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- BLACK
- COLOR/FINISH:
- GLOSS
- BASE COLOR:
- BLACK
- TYPE:
- 10-ROW
- UNITS:
- EACH
- MOUNTING POSITION:
- TOP
- MOUNTING STYLE:
- TABS
- PRODUCT NAME:
- OIL COOLER
- STYLE:
- STRAIGHT
$239.95 -
JAGG OIL COOLERS Universal 10-Row Oil Cooler with Tabs 3160
JAGG OIL COOLERS
$239.95Jagg Universal Oil Cooler Cores are the very same oil coolers that are used in high-quality Jagg kits, These units are perfect for the customizer, the fabricator, and the racer, Supplied as oil cooler only, Mounting hardware sold separately07130214- SKU:
- 07130214
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- COLOR/FINISH:
- BLACK
- MOUNTING STYLE:
- TABS
- PRODUCT NAME:
- OIL COOLER
- STYLE:
- STRAIGHT
- BASE FINISH:
- POWDER-COATED
- COLOR/FINISH:
- GLOSS
- MOUNTING STYLE:
- BOLT-ON
- RIDING STYLE:
- STREET
- MOUNTING POSITION:
- TOP
- TYPE:
- 10-ROW
- UNITS:
- EACH
- BASE COLOR:
- BLACK
$239.95Qty in Cart: 0Quantity:Price:$239.95Subtotal: -
JAGG OIL COOLERS Manual By-Pass Valve Service Kit SK4000
JAGG OIL COOLERS
$5.95Service kit contains replacement o-rings, snap-ring retaining clip for manual by-pass knob, and a spare decal for the Jagg 4000 Manual By-pass Valve07130218- SKU:
- 07130218
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- BYPASS VALVE
- RIDING STYLE:
- STREET
- TYPE:
- MANUAL
$5.95Qty in Cart: 0Quantity:Price:$5.95Subtotal: -
JAGG OIL COOLERS 190 Degree Preset Thermal Switch TS190
JAGG OIL COOLERS
$27.95This bi-metal disc type thermostat installs directly into any 1/8" NPT port and provides an automatic switch to turn on 12V electric fan at the set temperature07130221- SKU:
- 07130221
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- FAN SWITCH
- TYPE:
- AUTOMATIC
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- STYLE:
- 190°F
$27.95 -
JAGG OIL COOLERS 200 Degree Preset Thermal Switch TS200
JAGG OIL COOLERS
$27.95This bi-metal disc type thermostat installs directly into any 1/8" NPT port and provides an automatic switch to turn on 12V electric fan at the set temperature07130222- SKU:
- 07130222
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STYLE:
- 200°F
- TYPE:
- AUTOMATIC
- BASE COLOR:
- BLACK
- PRODUCT NAME:
- FAN SWITCH
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$27.95Qty in Cart: 0Quantity:Price:$27.95Subtotal: -
JAGG OIL COOLERS Hose Finishers - Black - 4-Pack 22-JHF06-BK-4
JAGG OIL COOLERS
$25.95Hose finishers with integrated worm-drive hose clamps dress up the terminal ends of your oil hose to resemble high-performance racecar compression fittings without the installation hassle, Hose finishers are designed to fit over push-on style...07130232- SKU:
- 07130232
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MOUNTING STYLE:
- CLAMP
- UNITS:
- 4 PACK
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- BLACK
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 3/8'
- PRODUCT NAME:
- HOSE FINISHER
- MODEL:
- HIGH-PERFORMANCE
- RIDING STYLE:
- STREET
$25.95 -
JAGG OIL COOLERS Hose Finishers - Silver - 4-Pack 22-JHF06-SL-4
JAGG OIL COOLERS
$25.95Hose finishers with integrated worm-drive hose clamps dress up the terminal ends of your oil hose to resemble high-performance racecar compression fittings without the installation hassle, Hose finishers are designed to fit over push-on style...07130233- SKU:
- 07130233
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- SILVER
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 3/8'
- MODEL:
- HIGH-PERFORMANCE
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- ANODIZED SILVER
- BASE FINISH:
- ANODIZED
- PRODUCT NAME:
- HOSE FINISHER
- MOUNTING STYLE:
- CLAMP
- UNITS:
- 4 PACK
$25.95Qty in Cart: 0Quantity:Price:$25.95Subtotal: -
JAGG OIL COOLERS Hose Separator - Black - 3/8" 22-JHS06-BK
JAGG OIL COOLERS
$10.95Machined from billet aluminum, Suitable for 3/8" plain rubber or braided oil hose, Install in a snap07130234- SKU:
- 07130234
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MOUNTING STYLE:
- BOLT-ON
- PRODUCT NAME:
- HOSE SEPARATOR
- BASE COLOR:
- BLACK
- COLOR/FINISH:
- BLACK
- MATERIAL:
- BILLET ALUMINUM
- RIDING STYLE:
- STREET
- UNITS:
- EACH
$10.95Qty in Cart: 0Quantity:Price:$10.95Subtotal: -
JAGG OIL COOLERS Frame Mount Clamp - 1" CL100
JAGG OIL COOLERS
$9.95Designed to mount Jagg oil coolers firmly while also isolating from vibration, Jagg frame tube clamps are also great for mounting anything on tubular frames, Sold individually with nut & bolt07130236- SKU:
- 07130236
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- BOLT-ON
- RIDING STYLE:
- STREET
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1'
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- FRAME TUBE CLAMP
- UNITS:
- EACH
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
JAGG OIL COOLERS Frame Mount Clamp - 1-1/8" CL112
JAGG OIL COOLERS
$9.95Designed to mount Jagg oil coolers firmly while also isolating from vibration, Jagg frame tube clamps are also great for mounting anything on tubular frames, Sold individually with nut & bolt07130237- SKU:
- 07130237
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- FRAME TUBE CLAMP
- UNITS:
- EACH
- BASE COLOR:
- BLACK
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1-1/8'
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- BOLT-ON
- RIDING STYLE:
- STREET
- COLOR/FINISH:
- BLACK
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
JAGG OIL COOLERS Frame Mount Clamp - 1-1/4" CL125
JAGG OIL COOLERS
$9.95Designed to mount Jagg oil coolers firmly while also isolating from vibration, Jagg frame tube clamps are also great for mounting anything on tubular frames, Sold individually with nut & bolt07130238- SKU:
- 07130238
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BLACK
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- BOLT-ON
- RIDING STYLE:
- STREET
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1-1/4'
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- FRAME TUBE CLAMP
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
JAGG OIL COOLERS Frame Mount Clamp - 1-3/8" CL138
JAGG OIL COOLERS
$9.95Designed to mount Jagg oil coolers firmly while also isolating from vibration, Jagg frame tube clamps are also great for mounting anything on tubular frames, Sold individually with nut & bolt07130239- SKU:
- 07130239
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- PRODUCT NAME:
- FRAME TUBE CLAMP
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- BOLT-ON
- RIDING STYLE:
- STREET
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1-3/8'
- BASE COLOR:
- BLACK
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
JAGG OIL COOLERS Frame Mount Clamp - 1-1/2" CL150
JAGG OIL COOLERS
$9.95Designed to mount Jagg oil coolers firmly while also isolating from vibration, Jagg frame tube clamps are also great for mounting anything on tubular frames, Sold individually with nut & bolt07130240- SKU:
- 07130240
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BLACK
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 1-1/2'
- PRODUCT NAME:
- FRAME TUBE CLAMP
- UNITS:
- EACH
- MATERIAL:
- ALUMINUM
- MOUNTING STYLE:
- BOLT-ON
- RIDING STYLE:
- STREET
- BASE COLOR:
- BLACK
$9.95Qty in Cart: 0Quantity:Price:$9.95Subtotal: -
JAGG OIL COOLERS Fiber Braided Hose - Black - 10' 21-JLWN06-10
JAGG OIL COOLERS
$60.95Set your bike apart and give your Jagg oil cooler installation a racy look with performance braided hose, Internal steel wire reinforcement, Braided outer jacket for structure, toughness and a racy look07130241- SKU:
- 07130241
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- BASE COLOR:
- BLACK
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 3/8'
- MODEL:
- HIGH-PERFORMANCE
- RIDING STYLE:
- STREET
- MATERIAL:
- RUBBER
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- LENGTH IMPERIAL:
- 10'
- PRODUCT NAME:
- HOSE
- TYPE:
- BRAIDED
$60.95Qty in Cart: 0Quantity:Price:$60.95Subtotal: -
JAGG OIL COOLERS Fiber Braided Hose - Stainless Steel - 10' 21-JSSN06-10
JAGG OIL COOLERS
$60.95Set your bike apart and give your Jagg oil cooler installation a racy look with performance braided hose, Internal steel wire reinforcement, Braided outer jacket for structure, toughness and a racy look07130242- SKU:
- 07130242
- Availability:
- Ships Same Business Day
- Weight:
- 1.85 LBS
- LENGTH IMPERIAL:
- 10'
- PRODUCT NAME:
- HOSE
- TYPE:
- BRAIDED
- RIDING STYLE:
- STREET
- MATERIAL:
- RUBBER
- UNITS:
- EACH
- BASE FINISH:
- NATURAL
- COLOR/FINISH:
- STAINLESS STEEL
- FOR FRAME TUBE DIAMETER IMPERIAL:
- 3/8'
- MODEL:
- HIGH-PERFORMANCE
$60.95Qty in Cart: 0Quantity:Price:$60.95Subtotal: -
JAGG OIL COOLERS Manual By-Pass Valve 4000
JAGG OIL COOLERS
$79.95Acts as a manual thermostat, allowing you to by-pass the oil cooling system for cold-weather riding or for faster warm-ups on cool days, Durable anodized billet aluminum construction, Knurled grip knob, Works with all oil coolers, Compact in-line...07130215- SKU:
- 07130215
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- TYPE:
- MANUAL
- PRODUCT NAME:
- BYPASS VALVE
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$79.95
