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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 WE437037

    EPI Clutch Kit WE437037

    EPI

    $374.99
    Our best all around use kit, Great for trail riding, occasional mud and sand riding, plowing and hauling, Makes up for the power loss and slow response of adding oversized tires, Better low end and midrange acceleration, Quicker backshift which results...
    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
    Our best all around use kit, Great for trail riding, occasional mud and sand riding, plowing and hauling, Makes up for the power loss and slow response of adding oversized tires, Better low end and midrange acceleration, Quicker backshift which results...
    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
    $249.99
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • On Sale
    EPI Clutch Kit WE436998

    EPI Clutch Kit WE436998

    EPI

    MSRP: $239.99
    Now: $154.00
    Was: $239.99
    Designed and tested specifically for sand dune applications, Helps hold peak power RPM when dune riding and climbing hills, Better low end power and torque, Quicker backshift which results in crisp throttle response, Reduces belt slip and clutch heat
    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: $239.99
    Now: $154.00
    Was: $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $239.99
    Now: $154.00
    Was: $239.99
    Subtotal:
  • EPI Clutch Kit WE437040

    EPI Clutch Kit WE437040

    EPI

    $374.99
    Designed and tested specifically for sand dune applications, Helps hold peak power RPM when dune riding and climbing hills, Better low end power and torque, Quicker backshift which results in crisp throttle response, Reduces belt slip and clutch heat
    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
    Helps restore power loss due to the addition of larger tires, Allows for easier turning of larger tires in the mud, Better low-end power and torque, Quicker backshift which results in crisp throttle response, Reduces belt slip and clutch heat
    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
    $249.99
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • On Sale
    EPI Mud Clutch Kit - Polaris WE490738

    EPI Mud Clutch Kit - Polaris WE490738

    EPI

    MSRP: $239.99
    Now: $154.00
    Was: $239.99
    Helps restore power loss due to the addition of larger tires, Allows for easier turning of larger tires in the mud, Better low-end power and torque, Quicker backshift which results in crisp throttle response, Reduces belt slip and clutch heat
    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: $239.99
    Now: $154.00
    Was: $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $239.99
    Now: $154.00
    Was: $239.99
    Subtotal:
  • EPI Clutch Kit WE391066

    EPI Clutch Kit WE391066

    EPI

    $249.99
    The best all-around use kit; if you do a bit of everything this is the kit for you, Great for trail riding, occasional mud and sand riding, plowing and hauling, Designed to improve low- and mid-range acceleration, Helps decrease belt slippage, which will...
    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
    $249.99
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • On Sale
    EPI Clutch Kit WE436373

    EPI Clutch Kit WE436373

    EPI

    MSRP: $239.99
    Now: $154.00
    Was: $239.99
    Our best all around use kit, Great for trail riding, occasional mud and sand riding, plowing and hauling, Makes up for the power loss and slow response of adding oversized tires, Better low end and midrange acceleration, Quicker backshift which results...
    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: $239.99
    Now: $154.00
    Was: $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $239.99
    Now: $154.00
    Was: $239.99
    Subtotal:
  • EPI Economy Clutch Kit WE397440

    EPI Economy Clutch Kit WE397440

    EPI

    $69.99
    For general trail riding, Works with any size tire, Improves belt grip and back shift, Spring kit only; no clutch weights are included
    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
    Our best all around use kit, Great for trail riding, occasional mud and sand riding, plowing and hauling, Makes up for the power loss and slow response of adding oversized tires, Better low end and midrange acceleration, Quicker backshift which results...
    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
    Our best all around use kit, Great for trail riding, occasional mud and sand riding, plowing and hauling, Makes up for the power loss and slow response of adding oversized tires, Better low end and midrange acceleration, Quicker backshift which results...
    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
    $249.99
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • EPI Roller Weights WE241010

    EPI Roller Weights WE241010

    EPI

    $64.99
    Fine-tune upshift/peak rpm, Plated for strength
    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
    $64.99
    Qty in Cart: 0
    Quantity:
    Price:
    $64.99
    Subtotal:
  • EPI Housing Weights - Yamaha WE240000

    EPI Housing Weights - Yamaha WE240000

    EPI

    $56.99
    Each housing weighs approximately 5 grams
    11400258
    SKU:
    11400258
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    ATV
    RIDING STYLE:
    UTV
    TYPE:
    CLUTCH WEIGHT
    MATERIAL:
    NYLON
    PRODUCT NAME:
    HOUSING
    UNITS:
    EACH
    $56.99
    Qty in Cart: 0
    Quantity:
    Price:
    $56.99
    Subtotal:
  • EPI Roller Weights WEAC5016

    EPI Roller Weights WEAC5016

    EPI

    $64.99
    Fine-tune upshift/peak rpm, Plated for strength
    11400259
    SKU:
    11400259
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    RIDING STYLE:
    ATV
    TYPE:
    CLUTCH
    PRODUCT NAME:
    WEIGHT
    RIDING STYLE:
    UTV
    STYLE:
    ROLLER
    UNITS:
    8 PACK
    $64.99
    Qty in Cart: 0
    Quantity:
    Price:
    $64.99
    Subtotal:
  • EPI Roller Weights WEAC5018

    EPI Roller Weights WEAC5018

    EPI

    $64.99
    Fine-tune upshift/peak rpm, Plated for strength
    11400260
    SKU:
    11400260
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    STYLE:
    ROLLER
    UNITS:
    8 PACK
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    WEIGHT
    RIDING STYLE:
    ATV
    TYPE:
    CLUTCH
    $64.99
    Qty in Cart: 0
    Quantity:
    Price:
    $64.99
    Subtotal:
  • EPI Roller Weights WEAC5020

    EPI Roller Weights WEAC5020

    EPI

    $64.99
    Fine-tune upshift/peak rpm, Plated for strength
    11400261
    SKU:
    11400261
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    PRODUCT NAME:
    WEIGHT
    STYLE:
    ROLLER
    UNITS:
    8 PACK
    RIDING STYLE:
    ATV
    TYPE:
    CLUTCH
    RIDING STYLE:
    UTV
    $64.99
    Qty in Cart: 0
    Quantity:
    Price:
    $64.99
    Subtotal:
  • EPI Roller Weights WEAC5022

    EPI Roller Weights WEAC5022

    EPI

    $64.99
    Fine-tune upshift/peak rpm, Plated for strength
    11400262
    SKU:
    11400262
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    RIDING STYLE:
    UTV
    STYLE:
    ROLLER
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    WEIGHT
    TYPE:
    CLUTCH
    UNITS:
    8 PACK
    $64.99
    Qty in Cart: 0
    Quantity:
    Price:
    $64.99
    Subtotal:
  • EPI Housing Weights WEAC5000

    EPI Housing Weights WEAC5000

    EPI

    $59.99
    Each housing weighs approximately 5 grams
    11400263
    SKU:
    11400263
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    RIDING STYLE:
    UTV
    TYPE:
    CLUTCH WEIGHT
    PRODUCT NAME:
    HOUSING
    UNITS:
    EACH
    MATERIAL:
    NYLON
    RIDING STYLE:
    ATV
    $59.99
    Qty in Cart: 0
    Quantity:
    Price:
    $59.99
    Subtotal:
  • EPI Clutch Kit AW443114

    EPI Clutch Kit AW443114

    EPI

    $279.99
    The best all-around use kit; if you do a bit of everything this is the kit for you, Great for trail riding, occasional mud and sand riding, plowing and hauling, Designed to improve low- and mid-range acceleration, Helps decrease belt slippage, which will...
    11400276
    SKU:
    11400276
    Availability:
    Ships Same Business Day
    Weight:
    1.30 LBS
    ELEVATION IMPERIAL:
    0' - 3000'
    RIDING STYLE:
    ATV
    FOR TIRE SIZE IMPERIAL:
    STOCK
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    UTV
    TYPE:
    CENTRIFUGAL
    UNITS:
    KIT
    $279.99
    Qty in Cart: 0
    Quantity:
    Price:
    $279.99
    Subtotal:
  • EPI Clutch Kit WE435013

    EPI Clutch Kit WE435013

    EPI

    $354.99
    Our best all around use kit, Great for trail riding, occasional mud and sand riding, plowing and hauling, Makes up for the power loss and slow response of adding oversized tires, Better low end and midrange acceleration, Quicker backshift which results...
    11400118
    SKU:
    11400118
    Availability:
    Ships Same Business Day
    Weight:
    2.82 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
    Qty in Cart: 0
    Quantity:
    Price:
    $354.99
    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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