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 Clutch Kit - Polaris WE437356
EPI
$374.99When you upgrade to larger tires, your Polaris WE437356 loses the mechanical advantage needed to turn them effectively—especially in mud or loose terrain. This EPI clutch kit restores that power at the wheels and recalibrates your CVT system to match...11400628- SKU:
- 11400628
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 28'+
$374.99 -
EPI Clutch Kit WE437017
EPI
$354.99If you're running oversized tires or frequently tackling varied terrain—from trails to mud to sand—stock clutch performance becomes a limiting factor. The EPI Clutch Kit WE437017 restores the low-end punch and midrange acceleration you lose when adding...11400431- SKU:
- 11400431
- Availability:
- Ships Same Business Day
- Weight:
- 1.60 LBS
- RIDING STYLE:
- ATV
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- CLUTCH KIT
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
$354.99 -
EPI Clutch Kit WE436928
EPI
$249.99If you're running oversized tires or frequently tackling trail and mud riding, the EPI Clutch Kit WE436928 restores the low-end power and throttle response your stock clutch can't deliver. This kit eliminates belt slip and excessive clutch heat while...11400434- SKU:
- 11400434
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 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
$249.99 -
EPI Clutch Kit WE436995
EPI
$249.99If you're running oversized tires or frequently operating in demanding conditions like trails, mud, or sand, the EPI Clutch Kit WE436995 restores the low-end and mid-range acceleration your CVT loses with those upgrades. This kit delivers quicker...11400436- SKU:
- 11400436
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 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
$249.99 -
EPI Clutch Kit WE437004
EPI
$249.99If you're running oversized tires or frequently tackling varied terrain, you're already fighting power loss and sluggish throttle response. The EPI Clutch Kit WE437004 restores the low-end punch and midrange acceleration your machine needs to perform,...11400438- SKU:
- 11400438
- Availability:
- Ships Same Business Day
- Weight:
- 1.38 LBS
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- FOR TIRE SIZE IMPERIAL:
- ANY
- RIDING STYLE:
- ATV
$249.99 -
EPI Primary Spring - Polaris PATV13
EPI
$32.99Primary spring engagement directly impacts your clutch's bite point and peak RPM performance—dial in exactly what your riding style demands. Whether you're chasing top-end speed or need aggressive low-end engagement, this spring lets you fine-tune your...11400439- SKU:
- 11400439
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- COMPRESSED LENGTH:
- 32 MM (1,25')
- INSTALLED LOAD:
- 22,5 KG (50 LB)
- MATERIAL:
- CHROME SILICON
- RIDING STYLE:
- UTV
- COMPRESSED LENGTH IMPERIAL:
- 1.25'
- COMPRESSED LENGTH METRIC:
- 32 MM
- INSTALLED LOAD IMPERIAL:
- 50 LB
- PRODUCT NAME:
- SPRING
- RIDING STYLE:
- ATV
- COMPRESSED LOAD:
- 70,5 KG (155 LB)
- INSTALLED LENGTH:
- 64 MM (2,5')
- INSTALLED LENGTH IMPERIAL:
- 2.5'
- INSTALLED LENGTH METRIC:
- 64 MM
- INSTALLED LOAD METRIC:
- 22.5 KG
- STYLE:
- PRIMARY (DRIVE)
- TYPE:
- CLUTCH
- COLOR/FINISH:
- SILVER
- COMPRESSED LOAD IMPERIAL:
- 155 LB
- COMPRESSED LOAD METRIC:
- 70.5 KG
- UNITS:
- EACH
$32.99 -
EPI Clutch Rebuild Kit WE210185
EPI
$259.99A worn primary clutch can rob your machine of throttle response and trail-braking control—exactly what you can't afford to lose on track or trail. The EPI Clutch Rebuild Kit WE210185 gives you everything needed to restore your clutch to factory...11400440- SKU:
- 11400440
- Availability:
- Ships Same Business Day
- Weight:
- 0.53 LBS
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- STYLE:
- PRIMARY (DRIVE)
- TYPE:
- CLUTCH
- UNITS:
- KIT
$259.99 -
EPI Clutch Rebuild Kit WE210910
EPI
$259.99A worn primary clutch can rob your sled of responsiveness and efficiency, leading to sluggish acceleration and unpredictable engagement. The EPI Clutch Rebuild Kit WE210910 lets you restore your clutch to factory specifications without replacing the...11400441- SKU:
- 11400441
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- STYLE:
- PRIMARY (DRIVE)
- RIDING STYLE:
- UTV
- UNITS:
- KIT
- PRODUCT NAME:
- REBUILD KIT
- RIDING STYLE:
- ATV
- TYPE:
- CLUTCH
$259.99 -
EPI Clutch Kit WE436545
EPI
$354.99If your riding style spans multiple terrains and applications—from trail work to hauling—a one-size-fits-all clutch kit becomes essential for consistent performance. The EPI Clutch Kit WE436545 eliminates the compromise between low-end responsiveness and...11400511- SKU:
- 11400511
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- UNITS:
- KIT
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- ATV
$354.99Qty in Cart: 0Quantity:Price:$354.99Subtotal: -
EPI Clutch Kit WE436655
EPI
$249.99If you're running oversized tires or frequently tackling trail, mud, and sand terrain, the EPI Clutch Kit WE436655 restores the low-end power and throttle response that larger tires rob from your machine. This kit eliminates belt slip and excessive...11400513- SKU:
- 11400513
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 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
$249.99Qty in Cart: 0Quantity:Price:$249.99Subtotal: -
On Sale
EPI Clutch Kit WE436556
EPI
MSRP: $239.99Now: $170.00Was: $239.99If you're running a stock motor and need a clutch kit that performs reliably across multiple riding conditions—from trail riding to occasional mud work and hauling—the EPI WE436556 delivers consistent performance without requiring engine modifications...11400514- SKU:
- 11400514
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- ELEVATION IMPERIAL:
- 0' - 3000'
- RIDING STYLE:
- UTV
- TYPE:
- CENTRIFUGAL
- FOR TIRE SIZE IMPERIAL:
- STOCK
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
MSRP: $239.99Now: $170.00Was: $239.99 -
EPI Clutch Kit WE436558
EPI
$264.99If you're running oversized tires or frequently tackling varied terrain—from trails to mud to sand—you're likely experiencing power loss and sluggish throttle response. The EPI Clutch Kit WE436558 restores the low-end and midrange punch your machine...11400515- SKU:
- 11400515
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
- FOR TIRE SIZE IMPERIAL:
- 27' - 28'
- TYPE:
- CENTRIFUGAL
- PRODUCT NAME:
- CLUTCH KIT
- RIDING STYLE:
- ATV
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- ELEVATION IMPERIAL:
- 0' - 3000'
$264.99 -
EPI Clutch Kit WE436664
EPI
$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 improvements in low- and mid-range acceleration while...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
$249.99 -
On Sale
EPI Clutch Kit WE436702
EPI
MSRP: $264.99Now: $170.00Was: $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 performer delivers quicker acceleration off the line...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: $170.00Was: $264.99 -
EPI Clutch Kit WE437104
EPI
$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 clutch can't deliver. This kit eliminates the sluggish...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
$354.99 -
EPI Mud Clutch Kit - Can Am WE437106
EPI
$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 the crisp acceleration you expect. This kit is...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
$354.99 -
EPI Clutch Kit WE437097
EPI
$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 your machine. This kit delivers crisp throttle response...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
$249.99 -
EPI Bushing - EBS - Polaris PMB492
EPI
$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 EBS restores precise fitment and alignment with OEM-grade...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
$24.99 -
EPI Clutch Kit WE437029
EPI
$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. The EPI Clutch Kit WE437029 restores the low-end and...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
$249.99 -
EPI Clutch Kit WE437035
EPI
$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 replacement costs. This kit is engineered to maximize low...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
$374.99
