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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 WE435073

    EPI Clutch Kit WE435073

    EPI

    $354.99
    If you're running oversized tires or tackling mixed terrain—from trails to mud to sand—you're sacrificing low-end punch and throttle response. The EPI Clutch Kit WE435073 restores that lost acceleration and eliminates the sluggish feel that comes with...
    11400119
    SKU:
    11400119
    Availability:
    Ships Same Business Day
    Weight:
    2.82 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
    $354.99
    Qty in Cart: 0
    Quantity:
    Price:
    $354.99
    Subtotal:
  • EPI Economy Clutch Kit AW418039

    EPI Economy Clutch Kit AW418039

    EPI

    $99.99
    If you're running a trail machine that struggles with belt slippage or sluggish engagement, the EPI Economy Clutch Kit AW418039 delivers the spring tuning needed to optimize your clutch's grip and shift responsiveness without breaking the bank. This...
    11400122
    SKU:
    11400122
    Availability:
    Ships Same Business Day
    Weight:
    1.11 LBS
    ELEVATION IMPERIAL:
    0' - 3000'
    RIDING STYLE:
    UTV
    FOR TIRE SIZE IMPERIAL:
    ANY
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    CLUTCH KIT
    TYPE:
    CENTRIFUGAL
    UNITS:
    KIT
    $99.99
    Qty in Cart: 0
    Quantity:
    Price:
    $99.99
    Subtotal:
  • On Sale
    EPI Economy Clutch Kit WE497050

    EPI Economy Clutch Kit WE497050

    EPI

    MSRP: $59.99
    Now: $45.00
    Was: $59.99
    If you're running stock clutching on your trail machine, you're leaving performance on the table. The EPI Economy Clutch Kit WE497050 delivers measurable improvements in belt grip and shift response without the premium price tag, making it the smart...
    11400124
    SKU:
    11400124
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    ELEVATION IMPERIAL:
    ANY
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    ATV
    FOR TIRE SIZE IMPERIAL:
    ANY
    TYPE:
    CENTRIFUGAL
    UNITS:
    KIT
    MSRP: $59.99
    Now: $45.00
    Was: $59.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $59.99
    Now: $45.00
    Was: $59.99
    Subtotal:
  • EPI Clutch Rollers 2 Pack WE213222

    EPI Clutch Rollers 2 Pack WE213222

    EPI

    $74.99
    Clutch roller wear directly impacts your CVT transmission's shift response and overall reliability. OEM rollers degrade under sustained performance driving, leading to delayed engagement and potential belt slippage. The EPI Clutch Rollers 2 Pack restores...
    11410248
    SKU:
    11410248
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ATV
    STYLE:
    EBS
    STYLE:
    SECONDARY (DRIVEN)
    TYPE:
    CLUTCH
    PRODUCT NAME:
    ROLLER KIT
    UNITS:
    2 PACK
    $74.99
    Qty in Cart: 0
    Quantity:
    Price:
    $74.99
    Subtotal:
  • EPI Pro Series Clutch Roller WE213227

    EPI Pro Series Clutch Roller WE213227

    EPI

    $109.99
    Clutch roller wear is one of the most common causes of performance loss and inconsistent engagement in high-demand racing applications. The EPI Pro Series Clutch Roller WE213227 delivers the precision tolerances and material quality needed to restore...
    11410381
    SKU:
    11410381
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    PRODUCT NAME:
    ROLLER
    UNITS:
    SET
    TYPE:
    CLUTCH
    RIDING STYLE:
    UTV
    $109.99
    Qty in Cart: 0
    Quantity:
    Price:
    $109.99
    Subtotal:
  • EPI Pro Series Clutch Rollers WE213225

    EPI Pro Series Clutch Rollers WE213225

    EPI

    $74.99
    Stock clutch rollers introduce friction and binding that rob your shift quality and accelerate wear on your entire clutch system. The EPI Pro Series Clutch Rollers WE213225 replace your factory square sliders with a purpose-engineered solution that...
    11410369
    SKU:
    11410369
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    TYPE:
    CLUTCH
    UNITS:
    PAIR
    PRODUCT NAME:
    ROLLER
    RIDING STYLE:
    ATV
    RIDING STYLE:
    UTV
    STYLE:
    SECONDARY (DRIVEN)
    $74.99
    Qty in Cart: 0
    Quantity:
    Price:
    $74.99
    Subtotal:
  • EPI Clutch Rollers 2 Pack WE213224

    EPI Clutch Rollers 2 Pack WE213224

    EPI

    $59.99
    Clutch rollers are a critical wear component that directly impacts your transmission's ability to engage smoothly and handle power delivery under load. OEM rollers degrade over time, leading to sluggish engagement, slippage, and reduced shift quality...
    11410370
    SKU:
    11410370
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    PRODUCT NAME:
    ROLLER KIT
    RIDING STYLE:
    UTV
    STYLE:
    EBS
    TYPE:
    CLUTCH
    STYLE:
    SECONDARY (DRIVEN)
    UNITS:
    PAIR
    $59.99
    Qty in Cart: 0
    Quantity:
    Price:
    $59.99
    Subtotal:
  • EPI Drive Belt WE261010

    EPI Drive Belt WE261010

    EPI

    $164.99
    If you're running high horsepower or aggressive riding styles, belt slip and excessive clutch heat will kill your performance and reliability. The EPI Drive Belt WE261010 combines aramid tensile cord construction with a specialized double-cog design to...
    11420062
    SKU:
    11420062
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    MATERIAL:
    RUBBER
    STYLE:
    RIBBED
    MATERIAL:
    ARAMID
    MODEL:
    SEVERE DUTY
    PRODUCT NAME:
    DRIVE BELT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    ATV
    TYPE:
    DOUBLE-COGGED
    UNITS:
    EACH
    RIDING STYLE:
    UTV
    $164.99
    Qty in Cart: 0
    Quantity:
    Price:
    $164.99
    Subtotal:
  • EPI Drive Belt WE264010

    EPI Drive Belt WE264010

    EPI

    $164.99
    If you're running high horsepower or pushing aggressive riding styles, belt slippage and clutch heat will rob you of performance and reliability. The EPI Drive Belt WE264010 is engineered with aramid tensile cord and a purpose-built double-cog design to...
    11420105
    SKU:
    11420105
    Availability:
    Ships Same Business Day
    Weight:
    0.96 LBS
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    UTV
    TYPE:
    DOUBLE-COGGED
    MATERIAL:
    RUBBER
    STYLE:
    RIBBED
    MATERIAL:
    ARAMID
    MODEL:
    SEVERE DUTY
    PRODUCT NAME:
    DRIVE BELT
    RIDING STYLE:
    ATV
    $164.99
    Qty in Cart: 0
    Quantity:
    Price:
    $164.99
    Subtotal:
  • EPI Drive Belt WE265010

    EPI Drive Belt WE265010

    EPI

    $164.99
    If you're running aggressive riding styles or pushing high horsepower through your CVT system, belt slippage and heat degradation will kill your performance and reliability. The EPI Drive Belt WE265010 eliminates these issues with aramid tensile cords...
    11420106
    SKU:
    11420106
    Availability:
    Ships Same Business Day
    Weight:
    0.73 LBS
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    UTV
    TYPE:
    DOUBLE-COGGED
    MATERIAL:
    ARAMID
    MODEL:
    SEVERE DUTY
    PRODUCT NAME:
    DRIVE BELT
    MATERIAL:
    RUBBER
    STYLE:
    RIBBED
    $164.99
    Qty in Cart: 0
    Quantity:
    Price:
    $164.99
    Subtotal:
  • EPI Drive Belt WE261025

    EPI Drive Belt WE261025

    EPI

    $164.99
    If you're running high horsepower and aggressive riding styles, belt slippage and heat buildup will kill your CVT performance and wear out your drivetrain prematurely. The EPI Drive Belt WE261025 delivers the load capacity and thermal management you need...
    11420116
    SKU:
    11420116
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    RIDING STYLE:
    UTV
    TYPE:
    DOUBLE-COGGED
    COLOR/FINISH:
    BLACK
    MATERIAL:
    RUBBER
    STYLE:
    RIBBED
    MATERIAL:
    ARAMID
    MODEL:
    SEVERE DUTY
    PRODUCT NAME:
    DRIVE BELT
    $164.99
    Qty in Cart: 0
    Quantity:
    Price:
    $164.99
    Subtotal:
  • EPI Secondary Clutch Rebuild Kit WE213200

    EPI Secondary Clutch Rebuild Kit WE213200

    EPI

    $149.99
    Secondary clutch performance directly impacts your sled's acceleration, engagement, and overall drivability—and worn rollers, bushings, and springs compromise all three. This complete rebuild kit restores your EBS roller secondary clutch to factory...
    11410118
    SKU:
    11410118
    Availability:
    Ships Same Business Day
    Weight:
    0.54 LBS
    RIDING STYLE:
    ATV
    STYLE:
    SECONDARY (DRIVEN)
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    UTV
    TYPE:
    CLUTCH
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $149.99
    Subtotal:
  • EPI Clutch Kit WE437544

    EPI Clutch Kit WE437544

    EPI

    $374.99
    If you're running oversized tires or frequently hauling loads, you're already fighting against power loss and sluggish throttle response. The EPI Clutch Kit WE437544 restores the low-end and midrange punch your machine needs, while eliminating belt slip...
    11400731
    SKU:
    11400731
    Availability:
    Ships Same Business Day
    Weight:
    2.05 LBS
    ELEVATION IMPERIAL:
    0' - 3000'
    RIDING STYLE:
    UTV
    TYPE:
    CENTRIFUGAL
    FOR TIRE SIZE IMPERIAL:
    30' - 32'
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $374.99
    Subtotal:
  • EPI Clutch Kit WE437558

    EPI Clutch Kit WE437558

    EPI

    $374.99
    If you're running oversized tires or regularly tackling trail, mud, and sand terrain, the EPI Clutch Kit WE437558 restores the low-end punch and responsive feel your machine loses with added weight and rolling resistance. This kit tightens your clutch...
    11400732
    SKU:
    11400732
    Availability:
    Ships Same Business Day
    Weight:
    1.90 LBS
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    CLUTCH KIT
    TYPE:
    CENTRIFUGAL
    UNITS:
    KIT
    ELEVATION IMPERIAL:
    0' - 3000'
    FOR TIRE SIZE IMPERIAL:
    30' - 32'
    RIDING STYLE:
    ATV
    $374.99
    Qty in Cart: 0
    Quantity:
    Price:
    $374.99
    Subtotal:
  • EPI Clutch Kit WE437516

    EPI Clutch Kit WE437516

    EPI

    $269.99
    If you're running oversized tires or frequently hauling loads, you've likely noticed power loss and sluggish throttle response. The EPI Clutch Kit WE437516 restores that crisp acceleration and eliminates belt slip by optimizing your clutch engagement for...
    11400733
    SKU:
    11400733
    Availability:
    Ships Same Business Day
    Weight:
    1.70 LBS
    ELEVATION IMPERIAL:
    0' - 3000'
    RIDING STYLE:
    UTV
    RIDING STYLE:
    ATV
    FOR TIRE SIZE IMPERIAL:
    27' - 28'
    PRODUCT NAME:
    CLUTCH KIT
    TYPE:
    CENTRIFUGAL
    UNITS:
    KIT
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • EPI Clutch Kit WE437205

    EPI Clutch Kit WE437205

    EPI

    $249.99
    If you're running oversized tires on your UTV, you're already fighting power loss and sluggish throttle response—the EPI Clutch Kit WE437205 is engineered to reclaim both. This is our most versatile all-around kit, delivering aggressive low-end and...
    11400735
    SKU:
    11400735
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    UNITS:
    KIT
    ELEVATION IMPERIAL:
    0' - 3000'
    FOR TIRE SIZE IMPERIAL:
    27' - 28'
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    UTV
    TYPE:
    CENTRIFUGAL
    Qty in Cart: 0
    Quantity:
    Price:
    $249.99
    Subtotal:
  • On Sale
    EPI Clutch Kit WE437551

    EPI Clutch Kit WE437551

    EPI

    MSRP: $239.99
    Now: $160.00
    Was: $239.99
    If you're running oversized tires or frequently tackling mixed terrain—trails, mud, sand, or hauling loads—the stock clutch becomes a liability. The EPI WE437551 restores the low-end bite and throttle responsiveness you lose with heavier rubber, while...
    11400736
    SKU:
    11400736
    Availability:
    Ships Same Business Day
    Weight:
    2.30 LBS
    PRODUCT NAME:
    CLUTCH KIT
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    ELEVATION IMPERIAL:
    0' - 3000'
    FOR TIRE SIZE IMPERIAL:
    27' - 28'
    RIDING STYLE:
    UTV
    TYPE:
    CENTRIFUGAL
    MSRP: $239.99
    Now: $160.00
    Was: $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $239.99
    Now: $160.00
    Was: $239.99
    Subtotal:
  • EPI Clutch Rebuild Kit WE210937

    EPI Clutch Rebuild Kit WE210937

    EPI

    $219.99
    A worn primary clutch compromises your engine's power delivery and overall drivability, leading to sluggish acceleration and inconsistent engagement. This EPI Rebuild Kit provides all the precision components needed to restore your clutch to factory...
    11400745
    SKU:
    11400745
    Availability:
    Ships Same Business Day
    Weight:
    0.65 LBS
    STYLE:
    PRIMARY (DRIVE)
    UNITS:
    KIT
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    CLUTCH
    RIDING STYLE:
    UTV
    $219.99
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
    Subtotal:
  • EPI Clutch Rebuild Kit WE210930

    EPI Clutch Rebuild Kit WE210930

    EPI

    $259.99
    A worn primary clutch can rob your engine of performance and cost you races. This complete EPI rebuild kit eliminates the guesswork by providing every component you need to restore your clutch to factory specifications in a single package. Whether you're...
    11400746
    SKU:
    11400746
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    STYLE:
    PRIMARY (DRIVE)
    TYPE:
    CLUTCH
    UNITS:
    KIT
    RIDING STYLE:
    UTV
    PRODUCT NAME:
    REBUILD KIT
    RIDING STYLE:
    ATV
    $259.99
    Qty in Cart: 0
    Quantity:
    Price:
    $259.99
    Subtotal:
  • EPI Clutch Button Kit - Polaris WE210166

    EPI Clutch Button Kit - Polaris WE210166

    EPI

    $65.99
    Primary clutch buttons wear down through normal operation, causing slippage, delayed engagement, and inconsistent power delivery. This complete rebuild kit eliminates the need to source individual components separately—everything you need to restore your...
    11400747
    SKU:
    11400747
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    RIDING STYLE:
    UTV
    UNITS:
    6 PACK
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    BUTTON KIT
    TYPE:
    PRIMARY CLUTCH
    $65.99
    Qty in Cart: 0
    Quantity:
    Price:
    $65.99
    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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