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Drivetrain

Drivetrain

Drivetrain

Circle Track Drivetrain Parts: Transmissions, Clutches & Shifters for IMCA Racing at JJ Motorsports

Transfer power efficiently in your circle track racer with premium drivetrain components from JJ Motorsports. Our selection includes transmissions, clutches, shifters, differentials, bellhousings, and more, designed for superior performance, durability, and quick shifts in late models, modifieds, street stocks, and IMCA dirt racing. These high-quality parts ensure reliable power delivery and endurance under competitive track conditions.

Shop trusted brands like Winters Performance and Maxima Racing Oils. Explore related categories such as circle track chassis components for frame upgrades or circle track brakes for stopping power.

Top Circle Track Drivetrain Products

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Input Shaft 18/10 Spline  WIN62409

    Winters Falcon Transmission Input Shaft 18/10 Spline Steel WIN62409

    WINTERS

    $117.99
    The Winters Falcon Transmission Input Shaft is a high-quality steel component designed for Falcon transmissions. It features an 18/10 spline configuration, ensuring a secure and efficient connection between the engine and transmission. This input shaft...
    WIN62409
    SKU:
    WIN62409
    Availability:
    Ships Same Business Day
    Weight:
    1.12 LBS
    MFG Part #:
    62409
    $117.99
    Qty in Cart: 0
    Quantity:
    Price:
    $117.99
    Subtotal:
  • Input Collar for Falcon Transmission WIN62407

    Winters Input Collar 18 Spline Steel Falcon Transmission WIN62407

    WINTERS

    $74.99
    The Winters Input Collar is a precision-engineered component designed for Falcon Transmissions, featuring an 18-spline configuration and constructed from durable steel. This collar ensures a secure connection between the input shaft and the transmission,...
    WIN62407
    SKU:
    WIN62407
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    MFG Part #:
    62407
    $74.99
    Qty in Cart: 0
    Quantity:
    Price:
    $74.99
    Subtotal:
  • Spacer Clutch Gear Falcon WIN62354

    Winters Falcon Transmission Clutch Spacer Steel Natural WIN62354

    WINTERS

    $2.99
    The Winters Falcon Transmission Clutch Spacer is a steel component designed for Winters Falcon Transmissions. Finished in natural steel, it ensures durability and precise fitment for optimal transmission performance. Compatible with Winters Falcon...
    WIN62354
    SKU:
    WIN62354
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    62354
    $2.99
    Qty in Cart: 0
    Quantity:
    Price:
    $2.99
    Subtotal:
  • Crank Coupler Late Chevy 18 Spline WIN62350-18

    Winters Crankshaft Coupler 18 Spline Steel Small Block Chevy WIN62350-18

    WINTERS

    $93.99
    The Winters Crankshaft Coupler is a high-quality steel component designed for Small Block Chevy engines. Featuring an 18-spline configuration, it ensures a secure and reliable connection between the crankshaft and transmission, making it ideal for...
    WIN62350-18
    SKU:
    WIN62350-18
    Availability:
    Ships Same Business Day
    Weight:
    1.14 LBS
    MFG Part #:
    62350-18
    $93.99
    Qty in Cart: 0
    Quantity:
    Price:
    $93.99
    Subtotal:
  • Crank Coupler Std Chevy 18spl WIN62348-18

    Winters Crankshaft Coupler Standard 18 Spline Steel Chevy V8 WIN62348-18

    WINTERS

    $81.99
    The Winters Crankshaft Coupler is a high-quality component designed for Chevrolet V8 engines, featuring a standard 18-spline configuration and constructed from durable steel. This coupler ensures a secure and reliable connection between the crankshaft...
    WIN62348-18
    SKU:
    WIN62348-18
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    MFG Part #:
    62348-18
    $81.99
    Qty in Cart: 0
    Quantity:
    Price:
    $81.99
    Subtotal:
  • Return Spring Bell Housing WIN62341

    Winters Return Spring Bell Housing for Falcon Transmission WIN62341

    WINTERS

    $6.99
    The Winters Return Spring Bell Housing is a precision-engineered component designed specifically for the Winters Falcon Transmission, model WIN62341. This bell housing ensures optimal performance and durability in high-performance racing applications...
    WIN62341
    SKU:
    WIN62341
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    MFG Part #:
    62341
    $6.99
    Qty in Cart: 0
    Quantity:
    Price:
    $6.99
    Subtotal:
  • Output Shaft - Falcon/ Raptor Trans. WIN61903

    Winters Steel Output Shaft for Falcon and Raptor Transmissions WIN61903

    WINTERS

    $128.99
    The Winters Steel Output Shaft is a high-quality component designed for Falcon and Raptor transmissions, ensuring optimal performance and durability. Manufactured from premium steel, this output shaft is engineered to withstand the rigorous demands of...
    WIN61903
    SKU:
    WIN61903
    Availability:
    Ships Same Business Day
    Weight:
    2.31 LBS
    MFG Part #:
    61903
    $128.99
    Qty in Cart: 0
    Quantity:
    Price:
    $128.99
    Subtotal:
  • Clutch Spring Spacer  WIN61847

    Winters Clutch Spring Spacer 0.130 in Thick Steel Natural WIN61847

    WINTERS

    $2.99
    The Winters Clutch Spring Spacer is a precision-engineered component designed to optimize clutch performance in high-performance transmissions. Manufactured from durable steel with a natural finish, this spacer measures 0.130 inches in thickness and is...
    WIN61847
    SKU:
    WIN61847
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MFG Part #:
    61847
    $2.99
    Qty in Cart: 0
    Quantity:
    Price:
    $2.99
    Subtotal:
  • Transmission Case Aluminum WIN61745

    Winters Falcon Transmission Aluminum Case 45 lbs 13/16 x 27-spline Output WIN61745

    WINTERS

    $425.99
    The Winters Falcon Transmission Aluminum Case is a high-quality component designed for the Winters Falcon Transmission system. Constructed from durable aluminum, it offers a lightweight yet sturdy housing for the transmission's internal components,...
    WIN61745
    SKU:
    WIN61745
    Availability:
    Ships Same Business Day
    Weight:
    12.10 LBS
    MFG Part #:
    61745
    $425.99
    Qty in Cart: 0
    Quantity:
    Price:
    $425.99
    Subtotal:
  • Reverse Counter Shaft Falcon WIN61743

    Winters Falcon Transmission Reverse Counter Shaft Steel WIN61743

    WINTERS

    $26.99
    The Reverse Counter Shaft Falcon is a steel component designed for Winters Falcon Transmissions, specifically facilitating the reverse gear function. This durable shaft ensures smooth gear engagement and reliable performance in racing applications. ...
    WIN61743
    SKU:
    WIN61743
    Availability:
    Ships Same Business Day
    Weight:
    6.70 LBS
    MFG Part #:
    61743
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • Sliding Gear - Falcon / Raptor Trans WIN61741

    Winters Sliding Gear Steel Falcon Transmission WIN61741

    WINTERS

    $134.99
    The Winters Sliding Gear is a steel component designed for Falcon and Raptor Transmissions, offering enhanced durability and performance. This precision-engineered part ensures smooth gear engagement and reliable operation in high-performance racing...
    WIN61741
    SKU:
    WIN61741
    Availability:
    Ships Same Business Day
    Weight:
    1.35 LBS
    MFG Part #:
    61741
    $134.99
    Qty in Cart: 0
    Quantity:
    Price:
    $134.99
    Subtotal:
  • Clutch Gear Falcon  WIN61735

    Winters Falcon Steel Clutch Gear for Falcon Transmissions WIN61735

    WINTERS

    $259.99
    The Winters Falcon Steel Clutch Gear WIN61735 is a high-quality steel component designed for use in Winters Falcon Transmissions. This clutch gear ensures reliable performance and durability, making it an essential part for maintaining optimal...
    WIN61735
    SKU:
    WIN61735
    Availability:
    Ships Same Business Day
    Weight:
    2.50 LBS
    MFG Part #:
    61735
    Qty in Cart: 0
    Quantity:
    Price:
    $259.99
    Subtotal:
  • Alum Trans Raptor Late Model WIN60200

    Winters Aluminum Raptor Late Model Transmission Manual 2 Forward Speeds Reverse 10 Spline Input 27 Spline Output Aluminum Case Natural WIN60200

    WINTERS

    $2,078.99
    The Winters Aluminum Raptor Late Model Transmission is engineered for high-performance racing applications, offering two forward speeds and reverse. Its lightweight aluminum case ensures durability and efficient power transfer, making it a reliable...
    WIN60200
    SKU:
    WIN60200
    Availability:
    Ships Same Business Day
    Weight:
    41.10 LBS
    MFG Part #:
    60200
    Qty in Cart: 0
    Quantity:
    Price:
    $2,078.99
    Subtotal:
  • Ring & Pinion 4.11 w/ Bearings WIN5715

    Winters 4.11 Ring & Pinion 10 Spline Steel Bearings Included WIN5715

    WINTERS

    $697.99
    Enhance your vehicle's performance with the Winters 4.11 Ring & Pinion set, featuring a 10 spline configuration and steel construction. This kit includes all necessary bearings and is designed for Winters 12-Bolt 10-inch Quick Change differentials,...
    WIN5715
    SKU:
    WIN5715
    Availability:
    Ships Same Business Day
    Weight:
    17.74 LBS
    MFG Part #:
    5715 w/9147 Option
    $697.99
    Qty in Cart: 0
    Quantity:
    Price:
    $697.99
    Subtotal:
  • Ring & Pinion 4.11 w/o Bearing WIN5714

    Winters 4.11 Ring & Pinion Set 10 Spline Steel 12-Bolt 10 in Quick Change WIN5714

    WINTERS

    $598.99
    This Winters 4.11 Ring & Pinion Set is engineered for high-performance racing applications, offering a 4.11 gear ratio and 10 spline configuration. Constructed from durable steel, it is designed for use with Winters 12-Bolt 10-inch Quick Change...
    WIN5714
    SKU:
    WIN5714
    Availability:
    Ships Same Business Day
    Weight:
    14.60 LBS
    MFG Part #:
    5714 w/9147 Option
    $598.99
    Qty in Cart: 0
    Quantity:
    Price:
    $598.99
    Subtotal:
  • Ring & Pinion 4.86 w/ Bearings WIN5401

    Winters Ring & Pinion 4.86 Ratio 10 Spline with Bearings WIN5401

    WINTERS

    $614.99
    Enhance your vehicle's performance with the Winters Ring & Pinion 4.86 Ratio 10 Spline with Bearings WIN5401. This high-quality steel gear set is designed for Winters 12-Bolt 10-inch Quick Change differentials, offering a 4.86 gear ratio and 10 spline...
    WIN5401
    SKU:
    WIN5401
    Availability:
    Ships Same Business Day
    Weight:
    18.50 LBS
    MFG Part #:
    5401/8104/9147
    $614.99
    Qty in Cart: 0
    Quantity:
    Price:
    $614.99
    Subtotal:
  • Ring & Pinion 4.86 w/o Bearings WIN5400

    Winters 4.86 Ring & Pinion Steel 10 Spline 12-Bolt 10 in Quick Change WIN5400

    WINTERS

    $549.99
    Enhance your vehicle's performance with the Winters 4.86 Ring & Pinion set, designed for 12-Bolt 10-inch Quick Change differentials. This steel construction kit features a 4.86 gear ratio and 10 spline configuration, ensuring durability and reliability...
    WIN5400
    SKU:
    WIN5400
    Availability:
    Ships Same Business Day
    Weight:
    15.28 LBS
    MFG Part #:
    5400/9147
    $549.99
    Qty in Cart: 0
    Quantity:
    Price:
    $549.99
    Subtotal:
  • Alum Spool Carrier Shim   WIN5295

    Winters Aluminum Spool Carrier Shim 2.031 in ID Steel Set of 12 WIN5295

    WINTERS

    $9.49
    This set of 12 steel differential shims is designed for Winters Aluminum Spools and Differentials, featuring a 2.031-inch inner diameter to ensure precise fitment and optimal performance in high-stress racing environments. Compatible with Winters...
    WIN5295
    SKU:
    WIN5295
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MFG Part #:
    5295
    $9.49
    Qty in Cart: 0
    Quantity:
    Price:
    $9.49
    Subtotal:
  • Alum. Spool Set Up-----  WIN5294

    Winters Aluminum Spool Setup Checking Bearing 2.031 in ID Steel WIN5294

    WINTERS

    $35.99
    The Winters Aluminum Spool Setup Checking Bearing is designed to facilitate the setup process for Winters Aluminum Spools. With a 2.031-inch inner diameter and steel construction, this bearing allows for easy adjustment of shims during setup, ensuring...
    WIN5294
    SKU:
    WIN5294
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MFG Part #:
    5294
    $35.99
    Qty in Cart: 0
    Quantity:
    Price:
    $35.99
    Subtotal:
  • Aluminum Ford 9in. Housing WIN5243

    Winters Aluminum Ford 9" Housing Push-In Side Tube Oversized Inspection Plug WIN5243

    WINTERS

    $364.99
    The Winters Aluminum Ford 9in. Housing is a high-performance rear end assembly designed for racing applications. Constructed from lightweight aluminum, it offers enhanced durability and cooling efficiency compared to traditional steel housings. This...
    WIN5243
    SKU:
    WIN5243
    Availability:
    Ships Same Business Day
    Weight:
    18.70 LBS
    MFG Part #:
    5243
    $364.99
    Qty in Cart: 0
    Quantity:
    Price:
    $364.99
    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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