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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On Sale
EPI Clutch Kit WE437409
EPI
MSRP: $359.99Now: $323.99Was: $359.99If you split time between trail riding, work applications, and occasional aggressive terrain, you need a clutch kit engineered for versatility without compromise. The EPI WE437409 delivers improved...11400651- SKU:
- 11400651
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
MSRP: $359.99Now: $323.99Was: $359.99Qty in Cart: 0Quantity:Price:MSRP: $359.99Now: $323.99Was: $359.99Subtotal: -
On Sale
EPI Clutch Kit WE437411
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you've upgraded to oversized tires or frequently push your machine across varied terrain, the EPI Clutch Kit WE437411 restores the low-end bite and throttle responsiveness that larger tires...11400652- SKU:
- 11400652
- Availability:
- Ships Same Business Day
- Weight:
- 2.70 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $374.99Now: $337.49Was: $374.99 -
On Sale
EPI Mud Clutch Kit - Polaris WE437214
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you've upgraded to larger tires on your Polaris, you've likely noticed a drop in power delivery and sluggish throttle response—the EPI Mud Clutch Kit WE437214 restores that performance by...11400654- SKU:
- 11400654
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 28'+
- RIDING STYLE:
- ATV
MSRP: $249.99Now: $224.99Was: $249.99 -
On Sale
EPI Clutch Kit WE437373
EPI
MSRP: $374.99Now: $337.49Was: $374.99If your riding demands versatility across multiple terrains and conditions, the EPI Clutch Kit WE437373 delivers the engagement and responsiveness you need without requiring engine modifications...11400655- SKU:
- 11400655
- Availability:
- Ships Same Business Day
- Weight:
- 3.15 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $374.99Now: $337.49Was: $374.99 -
On Sale
EPI Clutch Kit WE437375
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you're running oversized tires or frequently tackling varied terrain—from trails to sand to hauling loads—the EPI Clutch Kit WE437375 restores the low-end punch and responsive throttle feel that...11400656- SKU:
- 11400656
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $374.99Now: $337.49Was: $374.99 -
On Sale
EPI Clutch Kit WE437191
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you're running oversized tires or frequently tackling trail, mud, and sand terrain, your stock clutch is likely costing you power and responsiveness. The EPI Clutch Kit WE437191 restores the...11400577- SKU:
- 11400577
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $249.99Now: $224.99Was: $249.99 -
On Sale
EPI Clutch Kit WE437210
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you're running a utility machine that needs to handle everything from trail work to hauling loads, belt slippage and inconsistent throttle response will kill your efficiency and increase clutch...11400578- SKU:
- 11400578
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
MSRP: $249.99Now: $224.99Was: $249.99Qty in Cart: 0Quantity:Price:MSRP: $249.99Now: $224.99Was: $249.99Subtotal: -
On Sale
EPI Clutch Kit WE437247
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you're running oversized tires or frequently hitting the trail, sand, and mud, you're likely experiencing sluggish low-end response and belt slip under load. The EPI Clutch Kit WE437247 restores...11400581- SKU:
- 11400581
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 30' - 32'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
MSRP: $374.99Now: $337.49Was: $374.99Qty in Cart: 0Quantity:Price:MSRP: $374.99Now: $337.49Was: $374.99Subtotal: -
On Sale
EPI Mud Clutch Kit - Polaris WE437249
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you've upgraded to larger tires on your Polaris, you've likely noticed a significant dip in acceleration and turning response—the EPI Mud Clutch Kit WE437249 is engineered to restore that lost...11400582- SKU:
- 11400582
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 30'+
MSRP: $374.99Now: $337.49Was: $374.99 -
On Sale
EPI Clutch Button Kit - Can Am WE210931
EPI
MSRP: $56.99Now: $51.29Was: $56.99Primary clutch buttons wear faster than any other component in your clutch system, and worn buttons directly tank your engagement quality and throttle response. This complete rebuild kit lets you...11400587- SKU:
- 11400587
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- UNITS:
- 12 PACK
- PRODUCT NAME:
- BUTTON KIT
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- TYPE:
- PRIMARY CLUTCH
MSRP: $56.99Now: $51.29Was: $56.99 -
On Sale
EPI Clutch Rebuild Kit WE210190
EPI
MSRP: $259.99Now: $233.99Was: $259.99A worn primary clutch is the silent killer of CVT performance—it robs you of engagement, consistency, and power transfer when you need it most. The EPI Clutch Rebuild Kit WE210190 gives you...11400588- SKU:
- 11400588
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- STYLE:
- PRIMARY (DRIVE)
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
- RIDING STYLE:
- UTV
MSRP: $259.99Now: $233.99Was: $259.99 -
On Sale
EPI Clutch Kit WE437140
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running oversized tires or frequently tackling trail, mud, and sand terrain, you're likely experiencing power loss and sluggish throttle response—the EPI Clutch Kit WE437140 is engineered...11400539- SKU:
- 11400539
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $354.99Now: $319.49Was: $354.99 -
On Sale
EPI Mud Clutch Kit - Arctic Cat WE437142
EPI
MSRP: $354.99Now: $319.49Was: $354.99Upgrading to larger tires on your Arctic Cat throws off your clutch calibration, robbing you of power and responsiveness. The EPI Mud Clutch Kit restores that lost performance while giving you the...11400540- SKU:
- 11400540
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 28'+
- RIDING STYLE:
- ATV
MSRP: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Clutch Kit WE437123
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running a stock motor and need a clutch kit that actually performs across multiple riding conditions, the EPI WE437123 is built for versatility without compromise. This field-tested kit...11400541- SKU:
- 11400541
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 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: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Clutch Kit WE437125
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you've upgraded to oversized tires or frequently operate in varied terrain—from trails to mud to sand—the EPI Clutch Kit WE437125 restores the low-end punch your engine loses with added rotational...11400542- SKU:
- 11400542
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
MSRP: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Mud Clutch Kit - Can Am WE437127
EPI
MSRP: $354.99Now: $319.49Was: $354.99When you upsize your Can-Am's tires for serious mud terrain, your stock clutch system loses responsiveness and struggles to deliver power where you need it. The EPI Mud Clutch Kit WE437127 restores...11400543- SKU:
- 11400543
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- 28'+
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
MSRP: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Mud Clutch Kit - Can Am WE437137
EPI
MSRP: $354.99Now: $319.49Was: $354.99Upgrading to larger tires on your Can-Am is a smart move for terrain capability, but it demands a clutch system engineered to handle the added load and rotational mass. The EPI Mud Clutch Kit...11400544- SKU:
- 11400544
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- 28'+
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $354.99Now: $319.49Was: $354.99 -
On Sale
EPI Clutch Kit WE437161
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you've upgraded to oversized tires or frequently ride in challenging terrain, the EPI Clutch Kit WE437161 restores the low-end punch and throttle responsiveness your machine loses with that added...11400551- SKU:
- 11400551
- Availability:
- Ships Same Business Day
- Weight:
- 2.95 LBS
- FOR TIRE SIZE IMPERIAL:
- 30' - 32'
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
MSRP: $374.99Now: $337.49Was: $374.99 -
On Sale
EPI Clutch Kit WE437152
EPI
MSRP: $249.99Now: $224.99Was: $249.99If your UTV sees varied terrain and duty cycles—from trail riding to hauling—a one-size-fits-all clutch kit simply won't cut it. The EPI Clutch Kit WE437152 is engineered as a true all-purpose...11400553- SKU:
- 11400553
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $249.99Now: $224.99Was: $249.99Qty in Cart: 0Quantity:Price:MSRP: $249.99Now: $224.99Was: $249.99Subtotal: -
On Sale
EPI Mud Clutch Kit - Can Am WE436526
EPI
MSRP: $354.99Now: $319.49Was: $354.99Upgrading to larger tires on your Can-Am delivers aggressive styling and improved ground clearance, but it also robs your machine of low-end power and makes mud crawling harder work. The EPI Mud...11400471- SKU:
- 11400471
- Availability:
- Ships Same Business Day
- Weight:
- 1.58 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 28'+
MSRP: $354.99Now: $319.49Was: $354.99
