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
-
On Sale
EPI Clutch Kit WE436664
EPI
MSRP: $249.99Now: $224.99Was: $249.99If your riding demands versatility—trail work one day, hauling the next—the EPI Clutch Kit WE436664 is engineered to handle it all without compromise. This field-tested kit delivers measurable...11400516- SKU:
- 11400516
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- RIDING STYLE:
- ATV
MSRP: $249.99Now: $224.99Was: $249.99 -
On Sale
EPI Clutch Kit WE436702
EPI
MSRP: $264.99Now: $238.49Was: $264.99If you're running oversized tires or frequently tackling trail, mud, and sand conditions, you're losing low-end power and throttle response—the EPI Clutch Kit WE436702 restores both. This all-around...11400519- SKU:
- 11400519
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $264.99Now: $238.49Was: $264.99Qty in Cart: 0Quantity:Price:MSRP: $264.99Now: $238.49Was: $264.99Subtotal: -
On Sale
EPI Clutch Kit WE437104
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you're running oversized tires or tackling varied terrain—from trails to sand to work applications—the EPI Clutch Kit WE437104 restores the low-end punch and throttle responsiveness your stock...11400523- SKU:
- 11400523
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 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 Mud Clutch Kit - Can Am WE437106
EPI
MSRP: $354.99Now: $319.49Was: $354.99If you've upgraded to larger tires on your Can-Am, you've likely noticed power loss and sluggish throttle response—the EPI Mud Clutch Kit WE437106 restores that missing low-end torque and brings back...11400525- SKU:
- 11400525
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 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: $354.99Now: $319.49Was: $354.99Qty in Cart: 0Quantity:Price:MSRP: $354.99Now: $319.49Was: $354.99Subtotal: -
On Sale
EPI Clutch Kit WE437097
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you're running oversized tires or regularly tackling trails, mud, and sand riding, the EPI Clutch Kit WE437097 restores the low-end and midrange acceleration that weight and resistance rob from...11400531- SKU:
- 11400531
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 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 Bushing - EBS - Polaris PMB492
EPI
MSRP: $24.99Now: $22.49Was: $24.99Worn or degraded bushings compromise suspension geometry and create unwanted play in your Polaris drivetrain, leading to poor handling and accelerated wear on connected components. The EPI Bushing...11400533- SKU:
- 11400533
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- UNITS:
- EACH
- TYPE:
- PRIMARY CLUTCH
- PRODUCT NAME:
- CLUTCH BUSHING
- RIDING STYLE:
- UTV
- STYLE:
- MOVABLE SHEAVE
- RIDING STYLE:
- ATV
- STYLE:
- EBS
MSRP: $24.99Now: $22.49Was: $24.99 -
On Sale
EPI Clutch Kit WE437029
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you're running oversized tires or frequently hauling loads, your stock clutch is working harder than it was designed to—resulting in belt slip, sluggish acceleration, and excessive heat buildup...11400454- SKU:
- 11400454
- Availability:
- Ships Same Business Day
- Weight:
- 1.17 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- ANY
MSRP: $249.99Now: $224.99Was: $249.99 -
On Sale
EPI Clutch Kit WE437035
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you're running a utility machine that needs to handle everything from trail riding to hauling, the EPI Clutch Kit WE437035 delivers the engagement and response you need without constant belt...11400455- SKU:
- 11400455
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $374.99Now: $337.49Was: $374.99 -
On Sale
EPI Clutch Kit WE437037
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you're running oversized tires or regularly towing, you're fighting power loss and sluggish throttle response—the EPI WE437037 clutch kit bridges that gap with optimized low-end and midrange...11400456- SKU:
- 11400456
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
MSRP: $374.99Now: $337.49Was: $374.99 -
On Sale
EPI Clutch Kit WE436666
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you've upgraded to larger tires or frequently ride in demanding terrain, your stock clutch is working against you—losing power, slipping under load, and responding sluggishly to throttle input...11400459- SKU:
- 11400459
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
MSRP: $249.99Now: $224.99Was: $249.99Qty in Cart: 0Quantity:Price:MSRP: $249.99Now: $224.99Was: $249.99Subtotal: -
On Sale
EPI Clutch Kit WE436998
EPI
MSRP: $239.99Now: $215.99Was: $239.99If you're serious about sand dune performance, your clutch system is your first point of failure on steep climbs and high-RPM runs. The EPI Clutch Kit WE436998 is engineered specifically for dune...11400460- SKU:
- 11400460
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
MSRP: $239.99Now: $215.99Was: $239.99 -
On Sale
EPI Clutch Kit WE437040
EPI
MSRP: $374.99Now: $337.49Was: $374.99If you're pushing your machine through sand dunes, belt slip and clutch heat are your enemies—they kill power delivery when you need it most. The EPI Clutch Kit WE437040 is engineered to keep your...11400462- SKU:
- 11400462
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $374.99Now: $337.49Was: $374.99 -
On Sale
EPI Mud Clutch Kit - Polaris WE436997
EPI
MSRP: $249.99Now: $224.99Was: $249.99When you upgrade to larger tires on your Polaris, you're fighting against increased rotational mass and power loss—the EPI Mud Clutch Kit WE436997 is engineered to compensate. This kit restores the...11400467- SKU:
- 11400467
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- 28'+
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
MSRP: $249.99Now: $224.99Was: $249.99Qty in Cart: 0Quantity:Price:MSRP: $249.99Now: $224.99Was: $249.99Subtotal: -
On Sale
EPI Mud Clutch Kit - Polaris WE490738
EPI
MSRP: $239.99Now: $215.99Was: $239.99If you've upgraded to larger tires on your Polaris, you know the performance penalty that comes with the added rotational mass—sluggish acceleration, harder turning, and belt slip under load. The EPI...11400469- SKU:
- 11400469
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 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: $239.99Now: $215.99Was: $239.99 -
On Sale
EPI Clutch Kit WE391066
EPI
MSRP: $249.99Now: $224.99Was: $249.99If your machine does everything from trail work to hauling, a one-size-fits-all clutch kit isn't enough—you need a system engineered for the real world. The EPI Clutch Kit WE391066 eliminates belt...11400189- SKU:
- 11400189
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 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: $249.99Now: $224.99Was: $249.99Qty in Cart: 0Quantity:Price:MSRP: $249.99Now: $224.99Was: $249.99Subtotal: -
On Sale
EPI Clutch Kit WE436373
EPI
MSRP: $239.99Now: $215.99Was: $239.99If you're running oversized tires or frequently tackling trails, mud, and sand, you're likely experiencing power loss and sluggish clutch response. The EPI Clutch Kit WE436373 restores the low-end...11400217- SKU:
- 11400217
- Availability:
- Ships Same Business Day
- Weight:
- 1.43 LBS
- UNITS:
- KIT
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
MSRP: $239.99Now: $215.99Was: $239.99Qty in Cart: 0Quantity:Price:MSRP: $239.99Now: $215.99Was: $239.99Subtotal: -
On Sale
EPI Economy Clutch Kit WE397440
EPI
MSRP: $69.99Now: $62.99Was: $69.99If you're running a CVT clutch system on the trail, belt slippage and sluggish engagement can rob you of power delivery when you need it most. The EPI Economy Clutch Kit WE397440 solves this with a...11400220- SKU:
- 11400220
- Availability:
- Ships Same Business Day
- Weight:
- 1.07 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- ANY
- FOR TIRE SIZE IMPERIAL:
- ANY
- RIDING STYLE:
- ATV
MSRP: $69.99Now: $62.99Was: $69.99 -
On Sale
EPI Clutch Kit WE436260
EPI
MSRP: $339.99Now: $305.99Was: $339.99If you're running oversized tires or frequently tackling varied terrain—from trails to mud to sand—stock clutch performance becomes a bottleneck. The EPI Clutch Kit WE436260 restores the low-end bite...11400233- SKU:
- 11400233
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 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: $339.99Now: $305.99Was: $339.99 -
On Sale
EPI Clutch Kit WE436351
EPI
MSRP: $249.99Now: $224.99Was: $249.99If you've upgraded to oversized tires or spend time in variable terrain, the EPI Clutch Kit WE436351 restores the low-end bite and throttle response your machine loses with added weight and rolling...11400256- SKU:
- 11400256
- Availability:
- Ships Same Business Day
- Weight:
- 1.66 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- 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 Roller Weights WE241010
EPI
MSRP: $64.99Now: $58.49Was: $64.99Variator performance hinges on precise roller weight tuning—dial in your upshift point and peak RPM to match your riding style and track conditions. The EPI Roller Weights WE241010 give you the...11400257- SKU:
- 11400257
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- STYLE:
- ROLLER
- UNITS:
- 8 PACK
- PRODUCT NAME:
- WEIGHT
- TYPE:
- CLUTCH
MSRP: $64.99Now: $58.49Was: $64.99Qty in Cart: 0Quantity:Price:MSRP: $64.99Now: $58.49Was: $64.99Subtotal: