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
-
EPI Economy Clutch Kit WE497040
EPI
$69.99Trail riding demands responsive belt engagement and reliable power delivery, especially when you're navigating variable terrain on different tire sizes. The EPI Economy Clutch Kit WE497040 delivers improved belt grip and quicker back-shift...11400018- SKU:
- 11400018
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- ELEVATION IMPERIAL:
- ANY
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- ANY
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$69.99Qty in Cart: 0Quantity:Price:$69.99Subtotal: -
EPI Economy Clutch Kit WE497030
EPI
$69.99Belt slippage and sluggish engagement are performance killers on the trail. The EPI Economy Clutch Kit WE497030 restores crisp power delivery by improving belt grip and enabling sharper back-shift response—essential upgrades for riders who demand...11400019- SKU:
- 11400019
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- ELEVATION IMPERIAL:
- ANY
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- ANY
$69.99 -
EPI Economy Clutch Kit WE397400
EPI
$69.99If your belt-driven system is slipping during acceleration or struggling with smooth engagement, the EPI Economy Clutch Kit WE397400 delivers the spring tension needed to restore reliable power transfer without breaking your budget. This spring kit...11400020- SKU:
- 11400020
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- FOR TIRE SIZE IMPERIAL:
- ANY
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- ANY
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
$69.99Qty in Cart: 0Quantity:Price:$69.99Subtotal: -
On Sale
EPI Clutch Kit WE391375
EPI
MSRP: $239.99Now: $160.00Was: $239.99If you're running oversized tires or regularly towing loads, your OEM clutch is working harder than it was designed to—causing sluggish acceleration and belt slip that robs you of power. The EPI Clutch Kit WE391375 restores the low-end punch and midrange...11400027- SKU:
- 11400027
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 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: $239.99Now: $160.00Was: $239.99 -
EPI Clutch Kit WE437656
EPI
$319.99Running aggressive 27-28" tires or paddle tires demands a clutch system engineered to handle the added rotational mass and traction load. The EPI Clutch Kit WE437656 delivers the torque multiplication you need to pull through mud, sand, and rough terrain...11400762- SKU:
- 11400762
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$319.99 -
On Sale
EPI Clutch Kit WE437638
EPI
MSRP: $259.99Now: $173.00Was: $259.99If you're running paddle tires in the dunes, you're fighting power loss and belt slip that standard clutch setups simply can't handle. The EPI Clutch Kit WE437638 is purpose-built to restore the low-end torque and responsiveness you need when climbing...11400769- SKU:
- 11400769
- Availability:
- Ships Same Business Day
- Weight:
- 1.75 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
MSRP: $259.99Now: $173.00Was: $259.99 -
EPI Clutch Kit WE437651
EPI
$223.99If you're running aggressive 27-28" tires or paddle tires in high-traction environments, your stock clutch isn't engineered for the load. The EPI Clutch Kit WE437651 delivers the pulling power you need in mud, sand, and other demanding conditions—giving...11400772- SKU:
- 11400772
- Availability:
- Ships Same Business Day
- Weight:
- 1.65 LBS
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
$223.99 -
EPI Clutch Kit WE437635
EPI
$269.99If you're running aggressive 27-28" tires or paddle tires on your machine, you need a clutch kit engineered to handle the added rotational mass and ground resistance. The EPI Clutch Kit WE437635 delivers the pulling power required in high-traction...11400774- SKU:
- 11400774
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
$269.99 -
EPI Clutch Kit WE437637
EPI
$269.99If you're running 28" tires or larger, you've already felt the power loss and sluggish throttle response that comes with the added rotational mass. The EPI Clutch Kit WE437637 restores that low-end torque and crisp acceleration by optimizing your clutch...11400775- SKU:
- 11400775
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- UNITS:
- KIT
$269.99 -
EPI Economy Clutch Kit WE437501
EPI
$99.99Belt slippage and sluggish back-shifting kill performance on the trail. The EPI Economy Clutch Kit WE437501 restores reliable belt grip and snappier engagement without breaking the bank. If you're running worn clutch components or struggling with...11400693- SKU:
- 11400693
- Availability:
- Ships Same Business Day
- Weight:
- 1.90 LBS
- ELEVATION IMPERIAL:
- ANY
- FOR TIRE SIZE IMPERIAL:
- ANY
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
$99.99 -
On Sale
EPI Mud Clutch Kit - Polaris WE437463
EPI
MSRP: $259.99Now: $173.00Was: $259.99If you've upgraded to larger tires on your Polaris, you've likely noticed power loss and sluggish throttle response—the EPI Mud Clutch Kit restores that lost performance and gives you precise control in demanding terrain. This kit optimizes your clutch...11400672- SKU:
- 11400672
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- FOR TIRE SIZE IMPERIAL:
- 30'+
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
MSRP: $259.99Now: $173.00Was: $259.99 -
EPI Clutch Kit WE437464
EPI
$269.99If you're serious about dune performance, clutch slip and heat buildup are killing your power delivery when you need it most. The EPI Clutch Kit WE437464 is engineered specifically for sand riding, holding peak RPM through climbs and delivering the...11400673- SKU:
- 11400673
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- ANY
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
$269.99Qty in Cart: 0Quantity:Price:$269.99Subtotal: -
EPI Clutch Kit WE437198
EPI
$249.99If you're running oversized tires or frequently tackling trail riding, mud, and sand terrain, the EPI Clutch Kit WE437198 restores the low-end punch and responsiveness your stock clutch loses under those conditions. This kit tightens up your throttle...11400568- SKU:
- 11400568
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
$249.99 -
EPI Clutch Kit WE437224
EPI
$249.99If your riding spans everything from trail work to hauling loads, the EPI Clutch Kit WE437224 delivers the versatility and reliability you need without requiring engine modifications. This kit addresses the real-world demands of mixed-use riding by...11400569- SKU:
- 11400569
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
EPI Clutch Kit WE437226
EPI
$249.99If you're running oversized tires or frequently hitting the trails with heavy loads, the EPI Clutch Kit WE437226 restores the low-end power and throttle response that gets lost in the process. This kit eliminates belt slip, reduces clutch heat, and...11400570- SKU:
- 11400570
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
$249.99 -
On Sale
EPI Clutch Kit WE437231
EPI
MSRP: $259.99Now: $166.00Was: $259.99If your riding demands versatility—from trail work to occasional mud and sand riding—the EPI Clutch Kit WE437231 delivers the engagement and response you need without engine modifications. This field-tested kit eliminates belt slippage that causes clutch...11400571- SKU:
- 11400571
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
MSRP: $259.99Now: $166.00Was: $259.99 -
EPI Clutch Kit WE437233
EPI
$269.99If you're running oversized tires or frequently hauling loads, your stock clutch is likely costing you acceleration and responsiveness. The EPI Clutch Kit WE437233 restores the low-end punch and crisp throttle response you've lost, while significantly...11400572- SKU:
- 11400572
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- ATV
$269.99 -
EPI Mud Clutch Kit - Polaris WE437235
EPI
$269.99If you've upgraded to larger tires on your Polaris, you've likely noticed a significant drop in power delivery and sluggish low-end response. The EPI Mud Clutch Kit WE437235 recalibrates your CVT system to compensate for the added rotational mass,...11400573- SKU:
- 11400573
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- FOR TIRE SIZE IMPERIAL:
- 28'+
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
$269.99Qty in Cart: 0Quantity:Price:$269.99Subtotal: -
EPI Clutch Kit WE437189
EPI
$249.99If your riding demands versatility across multiple terrains and conditions, the EPI Clutch Kit WE437189 is engineered to deliver consistent performance without compromise. This kit optimizes low- and mid-range acceleration while reducing belt slippage...11400576- SKU:
- 11400576
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
EPI Clutch Kit WE437268
EPI
$249.99If you're running oversized tires or frequently tackling trail conditions, stock clutching becomes a liability—you'll lose low-end punch and deal with belt slip under load. The EPI Clutch Kit WE437268 restores the aggressive engagement and throttle...11400615- SKU:
- 11400615
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 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
$249.99
