ATV/UTV Drivetrain
ATV/UTV Drivetrain Parts at JJ Motorsports
Enhance your ATV or UTV's power transfer with rugged drivetrain components from JJ Motorsports. Our selection includes differential bearing/seal kits, drive shaft assemblies, reverse chains, and steel plates designed for superior strength, friction resistance, and easy installation in challenging off-road conditions. Compatible with Can-Am, Polaris, Kawasaki, and more, these parts exceed OEM specs for better traction, reduced wear, and reliable performance on trails or utility tasks.
Shop trusted brands like Moose Racing for precision kits. Explore related categories such as ATV/UTV engine parts for rebuilds or ATV/UTV braking for complete systems.
Top ATV/UTV Drivetrain Products
- MOOSE RACING Differential Bearing/Seal Kit - Can-Am - Front/Rear 25-2106 – High-speed EMQ bearings with advanced seals for optimal performance.
- MOOSE RACING Center Drive Shaft Bearing Assembly 25-1671 – Complete assembly with aggressive seals to keep out dirt and water.
- MOOSE RACING Transaxle Reverse Chain 25-8001 – Heat-treated for 4.5% stronger shear strength than OEM.
- MOOSE RACING Steel Drive Plates M80-7800-7 – 300% stronger than aluminum with increased flywheel effect for better traction.
- MOOSE RACING Differential Seal Kit - Front 25-2115-5 – High-quality rubber seals for leak-proof differential protection.
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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EPI Pro Clutch Kit PRO505
EPI
$394.99If you frequently switch between different terrain types or adjust your tire sizes, a one-size-fits-all clutch setup will leave you frustrated with poor engagement and throttle response. The EPI Pro Clutch Kit PRO505 combines the strengths of four...11400757- SKU:
- 11400757
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- RIDING STYLE:
- UTV
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$394.99Qty in Cart: 0Quantity:Price:$394.99Subtotal: -
EPI Pro Clutch Kit PRO506
EPI
$394.99If you regularly ride across different terrain or adjust your setup for varying tire sizes and elevations, the EPI Pro Clutch Kit PRO506 eliminates the need for multiple dedicated kits. This all-in-one solution gives you the precision tuning capability...11400758- SKU:
- 11400758
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- MODEL:
- PRO SERIES
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$394.99 -
EPI Pro Clutch Kit PRO507
EPI
$494.99If you ride in variable terrain or frequently change tire sizes, a one-size-fits-all clutch setup will leave performance on the table. The EPI Pro Clutch Kit PRO507 combines the tuning range of four specialized kits into a single, adjustable...11400759- SKU:
- 11400759
- Availability:
- Ships Same Business Day
- Weight:
- 3.95 LBS
- MODEL:
- PRO SERIES
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- UNITS:
- KIT
$494.99Qty in Cart: 0Quantity:Price:$494.99Subtotal: -
EPI Clutch Kit WE437076
EPI
$69.99Trail riding demands responsive power delivery, and belt slippage under acceleration robs you of the performance gains you've earned. The EPI Clutch Kit WE437076 restores positive engagement by improving belt grip and optimizing backshift...11400761- SKU:
- 11400761
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$69.99 -
EPI Clutch Kit WE437382
EPI
$249.99If you're running oversized tires or tackling varied terrain—from trails to mud to sand—you're already fighting power loss and delayed throttle response. The EPI Clutch Kit WE437382 restores the low-end and midrange punch your machine needs while...11400658- SKU:
- 11400658
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
EPI Clutch Kit WE437212
EPI
$249.99If you're running oversized tires or frequently tackling trail, mud, and sand conditions, the EPI Clutch Kit WE437212 restores the low-end bite and throttle response your stock clutch can't deliver. This kit eliminates belt slip and heat buildup while...11400579- SKU:
- 11400579
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
EPI Clutch Kit WE437154
EPI
$249.99If you're running larger tires or frequently tackling varied terrain—from trails to sand to hauling loads—the EPI Clutch Kit WE437154 restores the low-end bite and throttle response that oversized rubber steals from your machine. This kit eliminates the...11400586- SKU:
- 11400586
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
On Sale
EPI Clutch Kit WE437159
EPI
MSRP: $359.99Now: $230.00Was: $359.99If you're running a utility machine that handles multiple terrains and work applications, clutch slippage and inconsistent power delivery will cost you efficiency and money. The EPI Clutch Kit WE437159 is engineered specifically for riders who demand...11400550- SKU:
- 11400550
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
MSRP: $359.99Now: $230.00Was: $359.99 -
On Sale
EPI Clutch Kit WE437060
EPI
MSRP: $339.99Now: $218.00Was: $339.99If you're running a utility machine that handles everything from trail work to hauling loads, belt slippage and inconsistent power delivery will limit your performance and accelerate clutch wear. The EPI Clutch Kit WE437060 is engineered to eliminate...11400482- SKU:
- 11400482
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $339.99Now: $218.00Was: $339.99 -
EPI Mud Clutch Kit - Polaris WE437052
EPI
$249.99If you've upgraded to larger tires on your Polaris, you've likely noticed a loss of low-end power and sluggish throttle response—that's where the EPI Mud Clutch Kit steps in. This bolt-on upgrade restores the drive and torque your machine needs to handle...11400489- SKU:
- 11400489
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- FOR TIRE SIZE IMPERIAL:
- 28'+
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
EPI Clutch Kit WE491011
EPI
$264.99If you're running oversized tires or frequently tackling variable terrain—from trails to sand to plowing—the EPI Clutch Kit WE491011 restores the low-end punch and throttle responsiveness your CVT loses when you go bigger. This kit eliminates belt slip...11400166- SKU:
- 11400166
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
$264.99Qty in Cart: 0Quantity:Price:$264.99Subtotal: -
EPI Drive Belt WE262005
EPI
$85.99A worn or damaged drive belt will leave you stranded and cut your riding season short. The EPI Drive Belt WE262005 is an OEM-equivalent replacement built to the same exacting standards as factory original, ensuring reliable power transfer and consistent...11420088- SKU:
- 11420088
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- UTV
- TYPE:
- DOUBLE-COGGED
- MODEL:
- STANDARD
- STYLE:
- RIBBED
- MATERIAL:
- ARAMID
- PRODUCT NAME:
- DRIVE BELT
$85.99 -
EPI Pro Clutch Kit PRO501
EPI
$479.99If you're serious about performance across varied terrain and riding conditions, the EPI Pro Clutch Kit PRO501 eliminates the compromise between settings. This all-in-one solution combines the core components of four specialized kits, giving you the...11400753- SKU:
- 11400753
- Availability:
- Ships Same Business Day
- Weight:
- 3.90 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- MODEL:
- PRO SERIES
- RIDING STYLE:
- UTV
$479.99 -
On Sale
EPI Clutch Kit WE437646
EPI
MSRP: $359.99Now: $230.00Was: $359.99If you're running paddle tires on your sand machine, you're losing power and fighting clutch slip on every climb. The EPI Clutch Kit WE437646 is engineered specifically for dune conditions to restore the low-end torque you've lost and keep your engine at...11400767- SKU:
- 11400767
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- UNITS:
- KIT
MSRP: $359.99Now: $230.00Was: $359.99 -
EPI Secondary Clutch Rebuild Kit WE213220
EPI
$144.99Secondary clutch performance directly impacts your CVT system's responsiveness and power delivery. A worn or damaged secondary clutch forces your engine to work harder, compromising acceleration and fuel efficiency. This complete rebuild kit restores...11410138- SKU:
- 11410138
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- STYLE:
- SECONDARY (DRIVEN)
- PRODUCT NAME:
- REBUILD KIT
- TYPE:
- CLUTCH
$144.99Qty in Cart: 0Quantity:Price:$144.99Subtotal: -
EPI Clutch Kit WE437530
EPI
$269.99If you're running oversized tires or tackling variable terrain—from trails to mud to sand—you're already fighting power loss and sluggish throttle response. The EPI Clutch Kit WE437530 restores the low-end and midrange acceleration your machine needs,...11400729- SKU:
- 11400729
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
$269.99Qty in Cart: 0Quantity:Price:$269.99Subtotal: -
Straightline Performance Universal Plastic Tank 1 Gallon 268-100
STRAIGHTLINE PERFORMANCE
$39.95Whether you're prepping a race vehicle, fueling remote off-road excursions, or maintaining a backup supply for small-engine equipment, a dedicated fuel container eliminates the guesswork. This universal tank delivers straightforward reliability—no...11321584- SKU:
- 11321584
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- TYPE:
- UNIVERSAL
- MATERIAL:
- PLASTIC
- PRODUCT NAME:
- WATER TANK
- RIDING STYLE:
- ATV
- UNITS:
- EACH
$39.95 -
Straightline Performance Custom Aluminum Square Tank 2L Black Powder Coated 268-102
STRAIGHTLINE PERFORMANCE
$67.95If you're running a high-performance build where every ounce counts and fuel capacity matters, the Straightline Performance Custom Aluminum Square Tank delivers lightweight durability without compromise. The 2L capacity paired with a square design...11321586- SKU:
- 11321586
- Availability:
- Ships Same Business Day
- Weight:
- 2.10 LBS
- MATERIAL:
- ALUMINUM
- TYPE:
- CUSTOM
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- WATER TANK
$67.95Qty in Cart: 0Quantity:Price:$67.95Subtotal: -
Renthal 40-Tooth Ultralight Rear Sprocket for Kawasaki and Suzuki 203U-520-40GPSI
RENTHAL
$99.82Shaving 66% of the weight from your rear sprocket directly improves acceleration, reduces unsprung mass, and enhances your bike's handling characteristics—critical advantages whether you're racing or pushing hard on your favorite roads. The 7075-T6...R20340- SKU:
- R20340
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- PRODUCT NAME:
- SPROCKET
- RIDING STYLE:
- ATV
- TOOTH COUNT:
- 40
- UNITS:
- EACH
- CHAIN SIZE:
- 520
- MATERIAL:
- ALUMINUM
- MOUNTING POSITION:
- REAR
$99.82Qty in Cart: 0Quantity:Price:$99.82Subtotal: -
MOOSE UTILITY Clutch Hub - Polaris 100-2058-PU
MOOSE UTILITY
$129.95A worn or damaged clutch hub directly impacts your Polaris's power delivery and acceleration consistency. This OEM replacement restores factory engagement characteristics and eliminates slippage, ensuring reliable performance whether you're tackling...11321396- SKU:
- 11321396
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MATERIAL:
- 6061 BILLET ALUMINUM
- PRODUCT NAME:
- CLUTCH HUB
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- RIDING STYLE:
- UTV
- TYPE:
- 4X4
$129.95
