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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
  • 29in Axle/31 Spline Gundrilled WIN5067G-29

    Winters 29in Steel Gun Drilled Axle 31 Spline Carrier 24 Spline Drive Flange WIN5067G-29

    WINTERS

    $173.99
    Enhance your race car's performance with the Winters 29-inch steel gun-drilled axle shaft. Designed for durability and precision, this axle features a 31-spline carrier and a 24-spline drive flange, ensuring a secure and efficient drivetrain. The...
    WIN5067G-29
    SKU:
    WIN5067G-29
    Availability:
    Ships Same Business Day
    Weight:
    7.00 LBS
    MFG Part #:
    5067G-29
    $173.99
    Qty in Cart: 0
    Quantity:
    Price:
    $173.99
    Subtotal:
  • 28.5in Axle/31 Spline Gundrilled WIN5067G-28.5

    Winters 28.5in 31 Spline Gun Drilled Steel Axle WIN5067G-28.5

    WINTERS

    $182.99
    Enhance your race car's performance with the Winters 28.5-inch gun drilled steel axle. Designed for durability and strength, this axle features a 31 spline carrier and a 24 spline drive flange, ensuring a secure and reliable connection. The gun drilled...
    WIN5067G-28.5
    SKU:
    WIN5067G-28.5
    Availability:
    Ships Same Business Day
    Weight:
    7.15 LBS
    MFG Part #:
    5067G-28.5
    $182.99
    Qty in Cart: 0
    Quantity:
    Price:
    $182.99
    Subtotal:
  • 27.5in Axle/31 Spline Gundrilled WIN5067G-27.5

    Winters 27.5in Steel Gun-Drilled Axle 31 Spline Carrier 24 Spline Drive Flange WIN5067G-27.5

    WINTERS

    $182.99
    Enhance your race car's performance with the Winters 27.5-inch steel gun-drilled axle. Designed for quick change rear ends, this axle features a 31 spline carrier and a 24 spline drive flange, ensuring a secure and efficient power transfer. The...
    WIN5067G-27.5
    SKU:
    WIN5067G-27.5
    Availability:
    Ships Same Business Day
    Weight:
    6.75 LBS
    MFG Part #:
    5067G-27.5
    $182.99
    Qty in Cart: 0
    Quantity:
    Price:
    $182.99
    Subtotal:
  • 25.5in Axle 31 spline Gundrilled WIN5067G-25.500

    Winters 25.5in 31 Spline Gun Drilled Steel Axle WIN5067G-25.500

    WINTERS

    $182.99
    Enhance your race car's performance with the Winters 25.5-inch gun-drilled steel axle. Designed for high-strength and lightweight applications, this axle features a 31-spline carrier and a 24-spline drive flange, ensuring a secure and efficient...
    WIN5067G-25.500
    SKU:
    WIN5067G-25.500
    Availability:
    Ships Same Business Day
    Weight:
    6.55 LBS
    MFG Part #:
    5067G-25.500
    Qty in Cart: 0
    Quantity:
    Price:
    $182.99
    Subtotal:
  • Solid Axle 36in  WIN5067-36

    Winters Solid Axle 36in 31 Spline Carrier 24 Spline Drive Flange Steel Natural WIN5067-36

    WINTERS

    $131.99
    Enhance your race car's performance with the Winters Solid Axle 36in. Designed for durability and strength, this axle shaft features a 31 Spline Carrier and a 24 Spline Drive Flange, ensuring a secure and reliable connection. Constructed from...
    WIN5067-36
    SKU:
    WIN5067-36
    Availability:
    Ships Same Business Day
    Weight:
    12.41 LBS
    MFG Part #:
    5067-36
    Qty in Cart: 0
    Quantity:
    Price:
    $131.99
    Subtotal:
  • Solid Axle 34in  WIN5067-34

    Winters Solid Axle 34in 31 Spline Carrier 24 Spline Drive Flange Steel Natural WIN5067-34

    WINTERS

    $128.99
    Enhance your race car's performance with the Winters Solid Axle, featuring a 34-inch length, 31-spline carrier, and 24-spline drive flange. Constructed from durable steel with a natural finish, this axle shaft is engineered for reliability and strength...
    WIN5067-34
    SKU:
    WIN5067-34
    Availability:
    Ships Same Business Day
    Weight:
    11.00 LBS
    MFG Part #:
    5067-34
    $128.99
    Qty in Cart: 0
    Quantity:
    Price:
    $128.99
    Subtotal:
  • Solid Axle 33in  WIN5067-33

    Winters 33in Solid Axle 31 Spline Carrier 24 Spline Drive Flange 5067-33

    WINTERS

    $118.99
    Enhance your race car's performance with the Winters 33-inch solid axle shaft. Designed for durability and strength, this axle shaft features a 31 spline carrier and a 24 spline drive flange, ensuring a secure and reliable connection. Constructed from...
    WIN5067-33
    SKU:
    WIN5067-33
    Availability:
    Ships Same Business Day
    Weight:
    11.34 LBS
    MFG Part #:
    5067-33
    $118.99
    Qty in Cart: 0
    Quantity:
    Price:
    $118.99
    Subtotal:
  • Yoke Alum Quick Change w/Gundrilled Shaft WIN5038AS-32

    Winters Aluminum Quick Change Yoke 1-3/8 in 32 Spline Dana 1310 Series Joint Stainless Sleeve 5038AS-32

    WINTERS

    $206.99
    This Winters Aluminum Quick Change Yoke is engineered for high-performance applications, featuring a 1-3/8-inch 32-spline lower shaft yoke compatible with Dana 1310 series joints. Constructed from durable aluminum and equipped with a stainless steel...
    WIN5038AS-32
    SKU:
    WIN5038AS-32
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    MFG Part #:
    5038AS-32
    Qty in Cart: 0
    Quantity:
    Price:
    $206.99
    Subtotal:
  • Yoke For Quick Change Aluminum 3.25in SS Sleev WIN5038AS

    Winters Aluminum Yoke for Quick Change 3.25" with Stainless Steel Sleeve 5038AS

    WINTERS

    $169.99
    This Winters Performance Yoke is designed for quick change rear ends, featuring a 3.25-inch aluminum yoke with a stainless steel sleeve for enhanced durability. It accommodates a 1-1/4-inch 10-spline lower shaft and is compatible with Dana 1310 series...
    WIN5038AS
    SKU:
    WIN5038AS
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    MFG Part #:
    5038AS
    $169.99
    Qty in Cart: 0
    Quantity:
    Price:
    $169.99
    Subtotal:
  • Yoke for Quick Change Steel 3-1/4in WIN5038

    Winters steel yoke 3-1/4 inch 1-1/4 inch 10 spline Dana 1310 series 5038

    WINTERS

    $48.99
    This Winters Quick Change Steel Yoke is engineered for high-performance applications, featuring a 3-1/4-inch lower shaft yoke with a 1-1/4-inch 10-spline design. It accommodates Dana 1310 Series universal joints, ensuring robust and reliable drivetrain...
    WIN5038
    SKU:
    WIN5038
    Availability:
    Ships Same Business Day
    Weight:
    1.92 LBS
    MFG Part #:
    5038
    $48.99
    Qty in Cart: 0
    Quantity:
    Price:
    $48.99
    Subtotal:
  • Ultra Light Alum Spool  WIN5034-11UL

    Winters Ultra Light Aluminum Spool 31 Spline 10 in Quick Change WIN5034-11UL

    WINTERS

    $399.99
    The Winters Ultra Light Aluminum Spool is engineered for high-performance racing applications, offering a lightweight yet durable solution for your drivetrain needs. Designed specifically for the Winters 10-inch Quick Change system, this spool ensures...
    WIN5034-11UL
    SKU:
    WIN5034-11UL
    Availability:
    Ships Same Business Day
    Weight:
    5.17 LBS
    MFG Part #:
    5034-11UL
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
    Subtotal:
  • 31 Spline Alum.Spool  WIN5034-11A

    Winters 31 Spline Aluminum Spool for 10" Quick Change Rear End WIN5034-11A

    WINTERS

    $324.99
    The Winters 31 Spline Aluminum Spool is engineered for high-performance racing applications, offering a lightweight yet durable solution for your drivetrain. Designed specifically for the Winters 10-inch Quick Change rear end, this spool ensures optimal...
    WIN5034-11A
    SKU:
    WIN5034-11A
    Availability:
    Ships Same Business Day
    Weight:
    5.72 LBS
    MFG Part #:
    5034-11A
    $324.99
    Qty in Cart: 0
    Quantity:
    Price:
    $324.99
    Subtotal:
  • Pinion Assy Retaining Ring WIN5020

    Winters Pinion Retaining Spacer Steel Quick Change WIN5020

    WINTERS

    $26.99
    The Pinion Assy Retaining Ring is a steel spacer designed for Winters Quick Change rear ends, ensuring secure pinion assembly retention. This durable component is sold individually, providing a reliable solution for maintaining optimal performance in...
    WIN5020
    SKU:
    WIN5020
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    MFG Part #:
    5020
    $26.99
    Qty in Cart: 0
    Quantity:
    Price:
    $26.99
    Subtotal:
  • Seal Plate w/.750 Seal  WIN5018

    Winters 10" Quick Change Lower Shaft Seal Plate 0.750" Thick Double Lip Seal Aluminum 5018

    WINTERS

    $65.99
    This Winters 10" Quick Change Lower Shaft Seal Plate is designed to provide a secure and reliable seal for your racing differential. Constructed from durable aluminum, it features a 0.750-inch thickness and includes a double lip seal for enhanced...
    WIN5018
    SKU:
    WIN5018
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    MFG Part #:
    5018
    $65.99
    Qty in Cart: 0
    Quantity:
    Price:
    $65.99
    Subtotal:
  • Thrustblock  WIN5010

    Winters thrust block steel ring gear adjuster WIN5010

    WINTERS

    $22.99
    The Winters Thrustblock WIN5010 is a precision-engineered component designed to ensure optimal performance and longevity in racing differentials. Constructed from high-quality steel, this thrust block is specifically tailored for use with Winters ring...
    WIN5010
    SKU:
    WIN5010
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MFG Part #:
    5010
    Qty in Cart: 0
    Quantity:
    Price:
    $22.99
    Subtotal:
  • Heat Treated Lower Shaft  WIN5003

    Winters heat treated lower shaft 10/10 spline 19.69 in long steel open drive WIN5003

    WINTERS

    $159.99
    The Winters Heat Treated Lower Shaft is a precision-engineered component designed for high-performance racing applications. Manufactured from high-quality steel, this shaft features a 10/10 spline configuration and measures 19.69 inches in length,...
    WIN5003
    SKU:
    WIN5003
    Availability:
    Ships Same Business Day
    Weight:
    5.24 LBS
    MFG Part #:
    5003
    $159.99
    Qty in Cart: 0
    Quantity:
    Price:
    $159.99
    Subtotal:
  • Standard Lower Shaft 2nd Gen. WIN4951

    Winters Standard Lower Shaft 2nd Gen 10/10 Spline 18.59 in Open Drive Steel WIN4951

    WINTERS

    $156.99
    The Winters Standard Lower Shaft 2nd Gen. is a precision-engineered component designed for high-performance racing applications. Measuring 18.59 inches in length, this steel shaft features a 10/10 spline configuration and is compatible with Winters...
    WIN4951
    SKU:
    WIN4951
    Availability:
    Ships Same Business Day
    Weight:
    4.95 LBS
    MFG Part #:
    4951
    $156.99
    Qty in Cart: 0
    Quantity:
    Price:
    $156.99
    Subtotal:
  • Gear Cover Bolt Sprint Billet w/O-ring WIN4873

    Winters Gear Cover Bolt Sprint Billet 10-Bolt Ball Bearings Aluminum Black Anodized WIN4873

    WINTERS

    $332.99
    The Winters Gear Cover Bolt Sprint Billet w/O-ring is a high-performance gear cover designed for sprint racing applications. Constructed from durable aluminum and finished with a black anodized coating, this cover ensures longevity and resistance to wear...
    WIN4873
    SKU:
    WIN4873
    Availability:
    Ships Same Business Day
    Weight:
    4.73 LBS
    MFG Part #:
    4873
    $332.99
    Qty in Cart: 0
    Quantity:
    Price:
    $332.99
    Subtotal:
  • Quick Change Gears  WIN4425

    Winters Quick Change Gear Set 4400 Series 6 Spline 1" Wide Set 25 WIN4425

    WINTERS

    $91.99
    The Winters Quick Change Gear Set 4400 Series Set 25 is engineered for high-performance racing applications, offering versatility and durability. Designed with a 6-spline configuration and a 1-inch width, this steel gear set provides reliable power...
    WIN4425
    SKU:
    WIN4425
    Availability:
    Ships Same Business Day
    Weight:
    3.55 LBS
    MFG Part #:
    4425
    $91.99
    Qty in Cart: 0
    Quantity:
    Price:
    $91.99
    Subtotal:
  • Quick Change Gears  WIN4424

    Winters Quick Change Gear Set 4400 Series 6 Spline 4.11 4.88 Steel WIN4424

    WINTERS

    $91.99
    The Winters Quick Change Gear Set 4400 Series 6 Spline 4.11 4.88 Steel WIN4424 is engineered for high-performance racing applications, offering versatility and durability. This gear set allows for quick ratio changes, enabling racers to fine-tune their...
    WIN4424
    SKU:
    WIN4424
    Availability:
    Ships Same Business Day
    Weight:
    3.58 LBS
    MFG Part #:
    4424
    $91.99
    Qty in Cart: 0
    Quantity:
    Price:
    $91.99
    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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