Dirt Bike
Browse over 50,000+ off-roading dirt bike parts and gear ready to be delivered to your doorstep. We offer riding gear & apparel at great prices. Along with parts and tools you need to keep the bike on the track or trails. Shop the biggest names in the motocross industry from Renthal, Dunlop, Thor, Maxima, Pro Circuit, Bill's Pipes, FMF, Excel and so many more. From dirt bike engine parts to new clutches we have what you need to stay one step ahead of your competition. Have a fitment question? reach out to our phone line at (231) 767-5055
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On Sale
Pro Circuit T-6 Slip-On Muffler for 2019-2024 Yamaha YZ250F 0131925A
PRO CIRCUIT
MSRP: $799.95Now: $719.96Was: $799.95The Pro Circuit T-6 Slip-On Muffler is engineered to unlock measurable horsepower gains while delivering the aggressive exhaust note that serious riders demand. By optimizing exhaust scavenging and...18212090- SKU:
- 18212090
- Availability:
- Ships Same Business Day
- Weight:
- 11.30 LBS
MSRP: $799.95Now: $719.96Was: $799.95 -
On Sale
Pro Circuit T-6 Exhaust System Stainless Steel 2024 Kawasaki KX 450 0122445G
PRO CIRCUIT
MSRP: $1,198.95Now: $1,079.06Was: $1,198.95The Pro Circuit T-6 exhaust system unlocks measurable gains in horsepower and torque while shedding unnecessary weight—critical improvements for both track performance and trail responsiveness on...18202042- SKU:
- 18202042
- Availability:
- Ships Same Business Day
- Weight:
- 13.65 LBS
MSRP: $1,198.95Now: $1,079.06Was: $1,198.95 -
On Sale
Pro Circuit Ti-6 Pro Titanium Exhaust System for 2024 Kawasaki KX450 0322445FP
PRO CIRCUIT
MSRP: $1,536.95Now: $1,383.26Was: $1,536.95The Pro Circuit Ti-6 Pro Titanium Exhaust System delivers measurable gains in horsepower and throttle response while trimming unsprung weight that directly improves handling and acceleration. If...18202044- SKU:
- 18202044
- Availability:
- Ships Same Business Day
- Weight:
- 11.60 LBS
MSRP: $1,536.95Now: $1,383.26Was: $1,536.95 -
On Sale
PROX Crankshaft Oil Seal Set - Kawasaki 42.4351
PROX
MSRP: $25.95Now: $21.00Was: $25.95A failing crankshaft oil seal is a silent killer—it allows oil to seep past critical bearing surfaces, risking catastrophic engine damage and costly rebuilds. The PROX Crankshaft Oil Seal Set...09351278- SKU:
- 09351278
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $25.95Now: $21.00Was: $25.95 -
On Sale
PROX Crankshaft Oil Seal Set - Beta 42.7218
PROX
MSRP: $22.95Now: $17.00Was: $22.95Crankshaft oil seals are critical barriers against oil leakage and contamination—worn or failed seals compromise engine efficiency and can lead to costly damage. The PROX 42.7218 set delivers...09351279- SKU:
- 09351279
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
MSRP: $22.95Now: $17.00Was: $22.95 -
On Sale
PROX Crankshaft Oil Seal Set - Beta 42.7220
PROX
MSRP: $22.95Now: $17.00Was: $22.95A complete crankshaft rebuild demands precision sealing to prevent oil leakage and maintain engine integrity. The PROX Crankshaft Oil Seal Set delivers OEM-specification components manufactured to...09351280- SKU:
- 09351280
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
MSRP: $22.95Now: $17.00Was: $22.95 -
On Sale
PROX Crankshaft Oil Seal Set - Beta 42.7350
PROX
MSRP: $30.95Now: $25.00Was: $30.95A compromised crankshaft seal can lead to catastrophic oil loss and engine damage—especially under high RPM conditions where pressure spikes expose even minor leaks. The PROX Crankshaft Oil Seal Set...09351281- SKU:
- 09351281
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
MSRP: $30.95Now: $25.00Was: $30.95 -
On Sale
PROX Repair Kit - Master Cylinder - Clutch 16.940010
PROX
MSRP: $37.95Now: $30.00Was: $37.95A failing clutch master cylinder compromises your ability to modulate power delivery and control—critical factors whether you're on the track or tackling demanding road conditions. This PROX repair...06170426- SKU:
- 06170426
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $37.95Now: $30.00Was: $37.95 -
On Sale
PROX Repair Kit - Master Cylinder - Clutch 16.940011
PROX
MSRP: $55.95Now: $42.00Was: $55.95A failing clutch master cylinder compromises your ability to engage and disengage the drivetrain smoothly—and safely. The PROX 16.940011 Repair Kit delivers all the seals, springs, and internal...06170428- SKU:
- 06170428
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $55.95Now: $42.00Was: $55.95 -
On Sale
PROX Repair Kit - Master Cylinder - Clutch 16.940012
PROX
MSRP: $55.95Now: $42.00Was: $55.95A worn or failing clutch master cylinder compromises your ability to engage and disengage the clutch smoothly, leading to poor shift quality and potential safety issues on track or street. This PROX...06170429- SKU:
- 06170429
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
MSRP: $55.95Now: $42.00Was: $55.95 -
On Sale
PROX Repair Kit - Master Cylinder - Clutch 16.940014
PROX
MSRP: $32.95Now: $25.00Was: $32.95A worn or leaking clutch master cylinder compromises your ability to engage and disengage the clutch reliably, directly impacting your control and safety on track or street. This PROX repair kit...06170430- SKU:
- 06170430
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
MSRP: $32.95Now: $25.00Was: $32.95 -
On Sale
PROX Repair Kit - Master Cylinder - Clutch 16.940029
PROX
MSRP: $32.95Now: $25.00Was: $32.95A failing clutch master cylinder compromises your ability to engage and disengage the drivetrain reliably—whether you're on the track or the street. This PROX repair kit provides all the internal...06170432- SKU:
- 06170432
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $32.95Now: $25.00Was: $32.95 -
On Sale
PROX Repair Kit - Master Cylinder - Clutch 16.940030
PROX
MSRP: $37.95Now: $30.00Was: $37.95A failing clutch master cylinder compromises your ability to modulate power delivery and can leave you stranded mid-session or mid-drive. The PROX 16.940030 Repair Kit provides all the seals,...06170433- SKU:
- 06170433
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
MSRP: $37.95Now: $30.00Was: $37.95 -
On Sale
PROX Connecting Rod Kit - Honda 03.1363
PROX
MSRP: $173.95Now: $141.00Was: $173.95A connecting rod kit is critical infrastructure for any high-performance Honda engine build—it directly transfers combustion forces from the piston to the crankshaft, making durability and precision...09230694- SKU:
- 09230694
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
MSRP: $173.95Now: $141.00Was: $173.95 -
On Sale
PROX Connecting Rod Kit - Yamaha 03.2018
PROX
MSRP: $118.95Now: $93.00Was: $118.95A connecting rod failure mid-race or mid-rebuild can derail your entire engine program. The PROX Connecting Rod Kit for Yamaha engines delivers the dimensional precision and material strength needed...09230695- SKU:
- 09230695
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
MSRP: $118.95Now: $93.00Was: $118.95 -
On Sale
PROX Connecting Rod Kit - Yamaha 03.2232
PROX
MSRP: $132.95Now: $102.00Was: $132.95A connecting rod kit is critical for maintaining engine integrity and performance—it directly transfers combustion forces from your pistons to the crankshaft, and a worn or damaged rod can cause...09230696- SKU:
- 09230696
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
MSRP: $132.95Now: $102.00Was: $132.95 -
On Sale
PROX Connecting Rod Kit - Gas Gas | Yamaha 03.2432
PROX
MSRP: $183.95Now: $150.00Was: $183.95A connecting rod is critical to engine reliability—it directly transfers combustion force from the piston to the crankshaft under extreme stress and temperature. PROX's double-forged construction...09230697- SKU:
- 09230697
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
MSRP: $183.95Now: $150.00Was: $183.95 -
On Sale
PROX Connecting Rod Kit - Husaberg | Husqvarna | KTM 03.6333
PROX
MSRP: $232.95Now: $195.00Was: $232.95A connecting rod is the critical link between your piston and crankshaft—any weakness here directly impacts power delivery, reliability, and engine longevity. The PROX Connecting Rod Kit for...09230699- SKU:
- 09230699
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
MSRP: $232.95Now: $195.00Was: $232.95 -
On Sale
PROX Connecting Rod Kit - Beta 03.7322
PROX
MSRP: $137.95Now: $110.00Was: $137.95A connecting rod is the critical link between your piston and crankshaft—any weakness here directly compromises power delivery and engine reliability. The PROX Connecting Rod Kit is engineered to OEM...09230702- SKU:
- 09230702
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
MSRP: $137.95Now: $110.00Was: $137.95 -
On Sale
PROX Crankshaft Bearing/Seal Kit - Honda 23.CBS14005
PROX
MSRP: $138.95Now: $110.00Was: $138.95A worn crankshaft bearing or compromised seal will rapidly degrade engine performance and reliability. This ProX kit replaces all critical bearing and seal components in one complete package,...09240701- SKU:
- 09240701
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
MSRP: $138.95Now: $110.00Was: $138.95
