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 Universal Joint - Polaris ATV WE100995
EPI
$31.99Universal joints are critical wear items that directly impact drivetrain reliability and power delivery to your wheels. A worn or damaged joint introduces vibration, slop, and potential catastrophic failure during aggressive driving or trail use. The EPI...WE100995- SKU:
- WE100995
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- TYPE:
- TYPE ONE (INSIDE SNAP RINGS)
- PRODUCT NAME:
- UNIVERSAL JOINT
- RIDING STYLE:
- UTV
- STYLE:
- WITH U-JOINT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
$31.99 -
EPI Clutch Kit WE391020
EPI
$249.99If you're running oversized tires or frequently hauling loads, your stock clutch kit is likely sacrificing low-end power and throttle response. The EPI Clutch Kit WE391020 restores the acceleration and crisp engagement you've lost, while significantly...WE391020- SKU:
- WE391020
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
$249.99 -
EPI Clutch Kit WE412500
EPI
$354.99If you're running stock power and want genuine all-around performance gains without chasing one-dimensional setup compromises, the EPI Clutch Kit WE412500 delivers where it counts—better low-to-mid acceleration, reduced belt slip, and more responsive...WE412500- SKU:
- WE412500
- Availability:
- Ships Same Business Day
- Weight:
- 2.69 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- STOCK
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
$354.99Qty in Cart: 0Quantity:Price:$354.99Subtotal: -
EPI Clutch Kit WE414001
EPI
$354.99If you're running varied terrain—from rocky trails to muddy bogs to sandy washes—you need a clutch kit engineered to handle the demands of mixed-condition riding without sacrificing performance. The EPI WE414001 delivers responsive power across low and...WE414001- SKU:
- WE414001
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
$354.99 -
EPI Clutch Kit WE425005
EPI
$354.99If you're running oversized tires or demanding more responsive power delivery across variable terrain, the EPI Clutch Kit WE425005 is engineered to compensate for those modifications and keep your clutch system operating at peak efficiency. This...WE425005- SKU:
- WE425005
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 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
$354.99 -
EPI Clutch Kit WE425007
EPI
$354.99If you're running oversized tires or pushing your machine harder—whether on trails, in mud, or hauling loads—you need a clutch kit engineered to compensate for the added stress and deliver responsive acceleration. The EPI WE425007 minimizes belt slip and...WE425007- SKU:
- WE425007
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
$354.99Qty in Cart: 0Quantity:Price:$354.99Subtotal: -
EPI Clutch Kit WE434002
EPI
$354.99If you're running oversized tires or frequently tackling variable terrain—from trails to sand to mud—you're losing power and responsiveness at the most critical moments. The EPI Clutch Kit WE434002 restores that lost low-end punch and eliminates belt...WE434002- SKU:
- WE434002
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- TYPE:
- CENTRIFUGAL
$354.99 -
EPI Clutch Kit WE435003
EPI
$354.99If you're running oversized tires or tackling variable terrain—from trails to work duties—the EPI Clutch Kit WE435003 restores the power delivery your vehicle loses and sharpens throttle response when it matters. This all-around kit minimizes belt slip...WE435003- SKU:
- WE435003
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- RIDING STYLE:
- UTV
$354.99 -
EPI Clutch Kit WE435010
EPI
$354.99The EPI Clutch Kit WE435010 is engineered for riders who demand responsive throttle feel and consistent power delivery across varied terrain. Whether you're navigating tight trails, tackling mud and sand, or handling heavy hauling loads, this kit...WE435010- SKU:
- WE435010
- Availability:
- Ships Same Business Day
- Weight:
- 2.85 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
$354.99 -
EPI Clutch Kit WE475001B
EPI
$354.99If you're running a stock motor and want reliable clutch engagement across varied terrain, the EPI Clutch Kit WE475001B delivers measurable improvements in acceleration response and heat management. This kit reduces belt slippage while sharpening...WE475001B- SKU:
- WE475001B
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- TYPE:
- CENTRIFUGAL
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- UNITS:
- KIT
$354.99 -
EPI Primary Bushing - EBS PMB712
EPI
$29.99Engine primary bushings are critical wear components that support the crankshaft and manage rotational stress in high-performance applications. Over time, factory bushings degrade under sustained RPM and load, leading to increased bearing wear and...PMB712- SKU:
- PMB712
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- STYLE:
- EBS
- RIDING STYLE:
- ATV
- TYPE:
- PRIMARY CLUTCH
- UNITS:
- EACH
- STYLE:
- MOVABLE SHEAVE
- PRODUCT NAME:
- CLUTCH BUSHING
- RIDING STYLE:
- UTV
$29.99 -
EPI Bushing - EBS SCB10
EPI
$19.99If you're experiencing excess movement or play in your suspension or drivetrain, a worn bushing is likely the culprit. The EPI Bushing EBS SCB10 restores proper alignment and reduces vibration, directly improving handling precision and component...SCB10- SKU:
- SCB10
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- STYLE:
- EBS
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ATV
- UNITS:
- EACH
- PRODUCT NAME:
- CLUTCH BUSHING
- TYPE:
- SECONDARY (DRIVEN) CLUTCH
- WIDTH IMPERIAL:
- 1/2'
$19.99Qty in Cart: 0Quantity:Price:$19.99Subtotal: -
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 -
On Sale
EPI Economy Clutch Kit WE493040
EPI
MSRP: $99.99Now: $64.00Was: $99.99If you're running a CVT-equipped machine for trail riding, belt slippage under load robs you of power transfer and consistency. The EPI Economy Clutch Kit WE493040 restores positive belt engagement with a precision spring kit that improves grip during...11400030- SKU:
- 11400030
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- FOR TIRE SIZE IMPERIAL:
- ANY
- UNITS:
- KIT
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- ANY
- RIDING STYLE:
- ATV
MSRP: $99.99Now: $64.00Was: $99.99Qty in Cart: 0Quantity:Price:MSRP: $99.99Now: $64.00Was: $99.99Subtotal: -
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
