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
- Winters Falcon LM Transmission 2-Speed Manual Aluminum Case 18 Spline Input WIN60100 – High-performance 2-speed manual transmission for late model racing, with aluminum case, internal hydraulic clutch, IMCA approved for Stock Car, Modified, and Late Model classes; includes crankshaft coupler, 2.4:1 low gear, 1:1 high, reverse, 18 spline input, 27 spline output, 21-5/8" length, and 43 lbs weight.
- 2-Lever Floor Mount Shifter Assembly - Black Aluminum for IMCA UMP Racing – Durable shifter for IMCA and UMP racing, made from high-quality aluminum with black anodized finish; weighs 2 lbs, includes hardware for quick installation, and offers universal fit for efficient gear changes.
- Chevy Clutch Hydraulic Release Throwout Bearing Kit - Racing – Upgrades drivetrain with easy installation; includes hydraulic release bearing, CNC-machined housing, anti-rotation studs, adjusting lock nuts, AN Teflon-lined hose, and adapter fittings; compatible with Chevrolet, BOP, GMC manual transmissions and 5.5-7.25" racing clutches; features fail-safe design and lower pedal effort.
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
-
Winters 29in Steel Gun Drilled Axle 31 Spline Carrier 24 Spline Drive Flange WIN5067G-29
WINTERS
$173.99Enhance 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 -
Winters 28.5in 31 Spline Gun Drilled Steel Axle WIN5067G-28.5
WINTERS
$182.99Enhance 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 -
Winters 27.5in Steel Gun-Drilled Axle 31 Spline Carrier 24 Spline Drive Flange WIN5067G-27.5
WINTERS
$182.99Enhance 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 -
Winters 25.5in 31 Spline Gun Drilled Steel Axle WIN5067G-25.500
WINTERS
$182.99Enhance 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
$182.99Qty in Cart: 0Quantity:Price:$182.99Subtotal: -
Winters Solid Axle 36in 31 Spline Carrier 24 Spline Drive Flange Steel Natural WIN5067-36
WINTERS
$131.99Enhance 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
$131.99Qty in Cart: 0Quantity:Price:$131.99Subtotal: -
Winters Solid Axle 34in 31 Spline Carrier 24 Spline Drive Flange Steel Natural WIN5067-34
WINTERS
$128.99Enhance 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 -
Winters 33in Solid Axle 31 Spline Carrier 24 Spline Drive Flange 5067-33
WINTERS
$118.99Enhance 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 -
Winters Aluminum Quick Change Yoke 1-3/8 in 32 Spline Dana 1310 Series Joint Stainless Sleeve 5038AS-32
WINTERS
$206.99This 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
$206.99Qty in Cart: 0Quantity:Price:$206.99Subtotal: -
Winters Aluminum Yoke for Quick Change 3.25" with Stainless Steel Sleeve 5038AS
WINTERS
$169.99This 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 -
Winters steel yoke 3-1/4 inch 1-1/4 inch 10 spline Dana 1310 series 5038
WINTERS
$48.99This 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 -
Winters Ultra Light Aluminum Spool 31 Spline 10 in Quick Change WIN5034-11UL
WINTERS
$399.99The 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 -
Winters 31 Spline Aluminum Spool for 10" Quick Change Rear End WIN5034-11A
WINTERS
$324.99The 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 -
Winters Pinion Retaining Spacer Steel Quick Change WIN5020
WINTERS
$26.99The 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 -
Winters 10" Quick Change Lower Shaft Seal Plate 0.750" Thick Double Lip Seal Aluminum 5018
WINTERS
$65.99This 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 -
Winters thrust block steel ring gear adjuster WIN5010
WINTERS
$22.99The 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
$22.99Qty in Cart: 0Quantity:Price:$22.99Subtotal: -
Winters heat treated lower shaft 10/10 spline 19.69 in long steel open drive WIN5003
WINTERS
$159.99The 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 -
Winters Standard Lower Shaft 2nd Gen 10/10 Spline 18.59 in Open Drive Steel WIN4951
WINTERS
$156.99The 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 -
Winters Gear Cover Bolt Sprint Billet 10-Bolt Ball Bearings Aluminum Black Anodized WIN4873
WINTERS
$332.99The 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 -
Winters Quick Change Gear Set 4400 Series 6 Spline 1" Wide Set 25 WIN4425
WINTERS
$91.99The 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 -
Winters Quick Change Gear Set 4400 Series 6 Spline 4.11 4.88 Steel WIN4424
WINTERS
$91.99The 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