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ATV/UTV Drivetrain

ATV/UTV Drivetrain

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

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 WE436558

    EPI Clutch Kit WE436558

    EPI

    $264.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $264.99
    Subtotal:
  • EPI Clutch Kit WE436664

    EPI Clutch Kit WE436664

    EPI

    $249.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • EPI Clutch Kit WE436702

    EPI Clutch Kit WE436702

    EPI

    $264.99
    If 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
    $264.99
    Qty in Cart: 0
    Quantity:
    Price:
    $264.99
    Subtotal:
  • EPI Clutch Kit WE437104

    EPI Clutch Kit WE437104

    EPI

    $354.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $354.99
    Subtotal:
  • EPI Mud Clutch Kit - Can Am WE437106

    EPI Mud Clutch Kit - Can Am WE437106

    EPI

    $354.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $354.99
    Subtotal:
  • EPI Clutch Kit WE437097

    EPI Clutch Kit WE437097

    EPI

    $249.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • EPI Bushing - EBS - Polaris PMB492

    EPI Bushing - EBS - Polaris PMB492

    EPI

    $24.99
    Worn 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
    Qty in Cart: 0
    Quantity:
    Price:
    $24.99
    Subtotal:
  • EPI Clutch Kit WE437029

    EPI Clutch Kit WE437029

    EPI

    $249.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • EPI Clutch Kit WE437035

    EPI Clutch Kit WE437035

    EPI

    $374.99
    If 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
    Qty in Cart: 0
    Quantity:
    Price:
    $374.99
    Subtotal:
  • EPI Clutch Kit WE437037

    EPI Clutch Kit WE437037

    EPI

    $374.99
    If 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 acceleration. This kit delivers quicker backshift response...
    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
    $374.99
    Qty in Cart: 0
    Quantity:
    Price:
    $374.99
    Subtotal:
  • EPI Clutch Kit WE436666

    EPI Clutch Kit WE436666

    EPI

    $249.99
    If 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. The EPI Clutch Kit WE436666 restores the responsiveness...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • EPI Clutch Kit WE436998

    EPI Clutch Kit WE436998

    EPI

    $239.99
    If 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 riding conditions, delivering the low-end torque and...
    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
    $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
    Subtotal:
  • EPI Clutch Kit WE437040

    EPI Clutch Kit WE437040

    EPI

    $374.99
    If 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 engine at peak RPM during climbs and aggressive riding,...
    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
    $374.99
    Qty in Cart: 0
    Quantity:
    Price:
    $374.99
    Subtotal:
  • EPI Mud Clutch Kit - Polaris WE436997

    EPI Mud Clutch Kit - Polaris WE436997

    EPI

    $249.99
    When 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 low-end torque and responsiveness your machine needs to...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • EPI Mud Clutch Kit - Polaris WE490738

    EPI Mud Clutch Kit - Polaris WE490738

    EPI

    $239.99
    If 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 Mud Clutch Kit restores that lost power by optimizing...
    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
    $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
    Subtotal:
  • EPI Clutch Kit WE391066

    EPI Clutch Kit WE391066

    EPI

    $249.99
    If 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 slippage and heat buildup while delivering snappy low-...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • EPI Clutch Kit WE436373

    EPI Clutch Kit WE436373

    EPI

    $239.99
    If 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 bite and midrange acceleration your machine needs while...
    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
    $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
    Subtotal:
  • EPI Economy Clutch Kit WE397440

    EPI Economy Clutch Kit WE397440

    EPI

    $69.99
    If 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 precision spring kit that improves belt grip and ensures...
    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
    $69.99
    Qty in Cart: 0
    Quantity:
    Price:
    $69.99
    Subtotal:
  • EPI Clutch Kit WE436260

    EPI Clutch Kit WE436260

    EPI

    $339.99
    If 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 and midrange acceleration you lose when upgrading tire...
    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
    $339.99
    Qty in Cart: 0
    Quantity:
    Price:
    $339.99
    Subtotal:
  • EPI Clutch Kit WE436351

    EPI Clutch Kit WE436351

    EPI

    $249.99
    If 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 resistance. This kit delivers crisp acceleration and...
    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
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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