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
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Detroit Truetrac - GM 7.625 10-Bolt 912A317
DETROIT LOCKER-TRACTECH
$642.99A quality limited-slip differential is essential for consistent power delivery and predictable handling on track or strip. The Detroit Truetrac uses helical gear design to automatically bias torque...DET912A317- SKU:
- DET912A317
- Availability:
- Ships Same Business Day
- Weight:
- 20.57 LBS
- MFG Part #:
- 912A317
$642.99 -
Detroit Truetrac - GM 7.5 26-Spline 911A415
DETROIT LOCKER-TRACTECH
$659.99The Detroit Truetrac is a helical-gear limited-slip differential that delivers consistent power to both wheels without the maintenance headaches of clutch-pack designs. If you're running a GM 7.5...DET911A415- SKU:
- DET911A415
- Availability:
- Ships Same Business Day
- Weight:
- 20.88 LBS
- MFG Part #:
- 911A415
$659.99 -
Detroit Truetrac - GM 7.5 26-Spline 911A319
DETROIT LOCKER-TRACTECH
$653.99The Detroit Truetrac is a helical-gear limited-slip differential that delivers predictable power distribution without the maintenance headaches of clutch-type designs. If you're running a GM 7.5 rear...DET911A319- SKU:
- DET911A319
- Availability:
- Ships Same Business Day
- Weight:
- 20.69 LBS
- MFG Part #:
- 911A319
$653.99Qty in Cart: 0Quantity:Price:$653.99Subtotal: -
Eaton Posi - GM 7.5 10-Bolt 26-Spline 19663-010
DETROIT LOCKER-TRACTECH
$696.99If you're running a GM 7.5 10-bolt and need predictable traction without the complexity of electronic controls, the Eaton Posi differential carrier is the proven choice for street and track use. This...DET19663-010- SKU:
- DET19663-010
- Availability:
- Ships Same Business Day
- Weight:
- 17.13 LBS
- MFG Part #:
- 19663-010
$696.99Qty in Cart: 0Quantity:Price:$696.99Subtotal: -
Eaton Posi - GM 10-Bolt 64-82 8.2in 19603-010
DETROIT LOCKER-TRACTECH
$750.99If you're running a classic Chevy with a 10-bolt and need predictable, straight-line traction without the chatter and slip of an open diff, the Eaton Posi is your answer. This limited-slip carrier...DET19603-010- SKU:
- DET19603-010
- Availability:
- Ships Same Business Day
- Weight:
- 20.25 LBS
- MFG Part #:
- 19603-010
$750.99 -
Coleman GM Yoke STD 853-Y
COLEMAN MACHINE
$106.99A quality slip yoke is the backbone of any reliable driveshaft assembly—it directly impacts power delivery, vibration control, and the longevity of your transmission output shaft. The Coleman GM Yoke...COL853-Y- SKU:
- COL853-Y
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MFG Part #:
- 853-Y
$106.99 -
Coleman Steel Spool GM 7.5in Thick Ring Gear 22545
COLEMAN MACHINE
$618.99A spool eliminates side-to-side wheel slip, delivering maximum traction and consistent power delivery under hard acceleration. If you're running a dedicated track car or drag setup on a GM 10-bolt,...COL22545- SKU:
- COL22545
- Availability:
- Ships Same Business Day
- Weight:
- 11.15 LBS
- MFG Part #:
- 22545
$618.99Qty in Cart: 0Quantity:Price:$618.99Subtotal: -
Coleman Steel Drive Flange 5x5/ 5x4-3/4 5/8in Studs 21632
COLEMAN MACHINE
$182.99A quality drive flange is critical for transferring power reliably to your wheels without slippage or failure. The Coleman Steel Drive Flange 21632 delivers a bolt-on solution that accommodates dual...COL21632- SKU:
- COL21632
- Availability:
- Ships Same Business Day
- Weight:
- 3.36 LBS
- MFG Part #:
- 21632
$182.99 -
Coleman Alum. Driveshaft 45in 16622
COLEMAN MACHINE
$391.99A quality driveshaft is fundamental to reliable power transfer and consistent performance at the track or on the street. This Coleman aluminum driveshaft delivers a lightweight alternative to steel...COL16622- SKU:
- COL16622
- Availability:
- Ships Same Business Day
- Weight:
- 10.35 LBS
- MFG Part #:
- 16622
$391.99 -
Coleman Alum. Driveshaft 44.5in. 16621
COLEMAN MACHINE
$391.99A lightweight driveshaft is essential for reducing rotational mass and improving acceleration response, especially in performance and racing applications. The Coleman 44.5" aluminum driveshaft...COL16621- SKU:
- COL16621
- Availability:
- Ships Same Business Day
- Weight:
- 10.25 LBS
- MFG Part #:
- 16621
$391.99 -
Coleman Alum. Driveshaft 44in 16620
COLEMAN MACHINE
$391.99A quality driveshaft is fundamental to consistent power delivery and vehicle reliability, especially in high-performance applications where vibration and component failure can cost you races or track...COL16620- SKU:
- COL16620
- Availability:
- Ships Same Business Day
- Weight:
- 10.45 LBS
- MFG Part #:
- 16620
$391.99 -
Coleman Alum. Driveshaft 43in 16618
COLEMAN MACHINE
$391.99A lightweight driveshaft is essential for reducing rotational mass and improving acceleration response, particularly in high-performance and racing applications. The Coleman 43-inch aluminum...COL16618- SKU:
- COL16618
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
- MFG Part #:
- 16618
$391.99 -
Coleman Alum. Driveshaft 42.5in. 16617
COLEMAN MACHINE
$391.99A lightweight driveshaft is essential for reducing rotational mass and improving acceleration, especially in high-performance applications where every tenth of a pound matters. The Coleman 42.5-inch...COL16617- SKU:
- COL16617
- Availability:
- Ships Same Business Day
- Weight:
- 9.95 LBS
- MFG Part #:
- 16617
$391.99 -
Coleman Alum. Driveshaft 42in 16616
COLEMAN MACHINE
$391.99A lightweight driveshaft is essential for reducing rotational mass and improving acceleration response, particularly in performance and racing applications. The Coleman aluminum construction delivers...COL16616- SKU:
- COL16616
- Availability:
- Ships Same Business Day
- Weight:
- 9.15 LBS
- MFG Part #:
- 16616
$391.99 -
Coleman Alum. Driveshaft 41in 16614
COLEMAN MACHINE
$391.99A lightweight driveshaft is essential for reducing rotational mass and improving acceleration response, particularly in racing applications where every fraction of a second counts. This Coleman...COL16614- SKU:
- COL16614
- Availability:
- Ships Same Business Day
- Weight:
- 10.21 LBS
- MFG Part #:
- 16614
$391.99 -
Coleman Alum. Driveshaft 40.5in 16613
COLEMAN MACHINE
$391.99A lightweight driveshaft is essential for reducing parasitic loss and improving acceleration in high-performance applications. The Coleman 40.5" aluminum driveshaft cuts rotational mass without...COL16613- SKU:
- COL16613
- Availability:
- Ships Same Business Day
- Weight:
- 9.80 LBS
- MFG Part #:
- 16613
$391.99 -
Coleman Alum. Driveshaft 40in 16612
COLEMAN MACHINE
$380.99A lightweight driveshaft is essential for reducing rotational mass and improving acceleration response—critical for both street and track applications. The Coleman 40-inch aluminum driveshaft...COL16612- SKU:
- COL16612
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
- MFG Part #:
- 16612
$380.99 -
Coleman Alum. Driveshaft 39.5in. 16610
COLEMAN MACHINE
$380.99A lightweight driveshaft is essential for reducing rotational mass and improving acceleration, throttle response, and overall drivetrain efficiency. The Coleman aluminum construction cuts weight...COL16610- SKU:
- COL16610
- Availability:
- Ships Same Business Day
- Weight:
- 10.05 LBS
- MFG Part #:
- 16610
$380.99Qty in Cart: 0Quantity:Price:$380.99Subtotal: -
Coleman Alum. Driveshaft 39in 16609
COLEMAN MACHINE
$380.99A lightweight driveshaft is essential for reducing rotational mass and improving acceleration, especially in racing and high-performance applications where every tenth of a second counts. The Coleman...COL16609- SKU:
- COL16609
- Availability:
- Ships Same Business Day
- Weight:
- 10.30 LBS
- MFG Part #:
- 16609
$380.99 -
Coleman Alum. Driveshaft 38.5in. 16608
COLEMAN MACHINE
$380.99A quality driveshaft is fundamental to reliable power delivery and chassis balance—especially critical if you're running increased horsepower or frequently hitting the track. This Coleman aluminum...COL16608- SKU:
- COL16608
- Availability:
- Ships Same Business Day
- Weight:
- 9.25 LBS
- MFG Part #:
- 16608
$380.99
