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
-
Allstar Performance Axle 31 Spl 37.0 Solid ALL66371
ALLSTAR PERFORMANCE
$149.99A quality axle shaft is foundational to any rear-end build—it needs to handle load transfer, rotational forces, and repeated stress without compromise. This Allstar Performance 31-spline solid axle...ALL66371- SKU:
- ALL66371
- Availability:
- Ships Same Business Day
- Weight:
- 12.22 LBS
- MFG Part #:
- ALL66371
$149.99 -
Allstar Performance Axle 31 Spl 37.0 GD ALL66370
ALLSTAR PERFORMANCE
$229.99A quality axle shaft is fundamental to reliable rear-end performance, whether you're running quick-change or Ford 9-inch differentials. The Allstar Performance 31-spline axle delivers the strength...ALL66370- SKU:
- ALL66370
- Availability:
- Ships Same Business Day
- Weight:
- 8.46 LBS
- MFG Part #:
- ALL66370
$229.99 -
Allstar Performance Axle 31 Spl 36.5 Solid ALL66366
ALLSTAR PERFORMANCE
$149.99A quality axle shaft is foundational to reliable rear-end performance, especially if you're running a quick-change or 9-inch Ford differential in a street or strip application. Allstar Performance's...ALL66366- SKU:
- ALL66366
- Availability:
- Ships Same Business Day
- Weight:
- 12.36 LBS
- MFG Part #:
- ALL66366
$149.99 -
Allstar Performance Axle 31 Spl 36.5 GD ALL66365
ALLSTAR PERFORMANCE
$229.99Whether you're building a street machine, prepping for the strip, or upgrading a dedicated race car, a quality axle shaft is foundational to reliable power delivery and longevity. Allstar...ALL66365- SKU:
- ALL66365
- Availability:
- Ships Same Business Day
- Weight:
- 4.04 LBS
- MFG Part #:
- ALL66365
$229.99 -
Allstar Performance Axle 31 Spl 36.0 Solid ALL66361
ALLSTAR PERFORMANCE
$149.99A quality axle shaft is fundamental to any rear-end build—whether you're assembling a quick-change setup or refreshing a classic 9-inch Ford rear. The Allstar Performance 31-spline solid axle...ALL66361- SKU:
- ALL66361
- Availability:
- Ships Same Business Day
- Weight:
- 12.10 LBS
- MFG Part #:
- ALL66361
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
Allstar Performance Axle 31 Spl 36.0 GD ALL66360
ALLSTAR PERFORMANCE
$229.99If you're building a quick-change rear axle assembly, you need a solid axle shaft engineered to handle sustained power delivery without flex or failure. Allstar Performance's 31-spline axles are...ALL66360- SKU:
- ALL66360
- Availability:
- Ships Same Business Day
- Weight:
- 8.29 LBS
- MFG Part #:
- ALL66360
$229.99 -
Allstar Performance Axle 31 Spl 35.5 Solid ALL66356
ALLSTAR PERFORMANCE
$149.99If you're building a quick-change rear end or upgrading your Ford 9-inch setup, you need an axle shaft that won't compromise reliability under load. Allstar Performance's 31-spline solid axles...ALL66356- SKU:
- ALL66356
- Availability:
- Ships Same Business Day
- Weight:
- 11.80 LBS
- MFG Part #:
- ALL66356
$149.99 -
Allstar Performance Axle 31 Spl 35.5 GD ALL66355
ALLSTAR PERFORMANCE
$229.99If you're building or rebuilding a quick-change or 9-inch Ford rear end, a quality axle shaft is non-negotiable—it's your direct link between power delivery and grip. This Allstar Performance...ALL66355- SKU:
- ALL66355
- Availability:
- Ships Same Business Day
- Weight:
- 8.18 LBS
- MFG Part #:
- ALL66355
$229.99 -
Allstar Performance Axle 31 Spl 35.0 Solid ALL66351
ALLSTAR PERFORMANCE
$149.99A quality axle shaft is fundamental to any solid rear-end setup, and Allstar Performance's 31-spline solid axle delivers the durability and precision you need for consistent performance. Whether...ALL66351- SKU:
- ALL66351
- Availability:
- Ships Same Business Day
- Weight:
- 11.95 LBS
- MFG Part #:
- ALL66351
$149.99 -
Allstar Performance Axle 31 Spl 35.0 GD ALL66350
ALLSTAR PERFORMANCE
$229.99If you're building or rebuilding a quick-change rear axle assembly, you need a solid axle shaft engineered for reliability under load. Allstar Performance's 31-spline axles deliver the strength and...ALL66350- SKU:
- ALL66350
- Availability:
- Ships Same Business Day
- Weight:
- 8.16 LBS
- MFG Part #:
- ALL66350
$229.99Qty in Cart: 0Quantity:Price:$229.99Subtotal: -
Allstar Performance Axle 31 Spl 34.5 Solid ALL66346
ALLSTAR PERFORMANCE
$149.99A quality axle shaft is fundamental to reliable power delivery and consistent performance in quick-change and 9-inch Ford rear applications. Allstar Performance's 31-spline solid axles eliminate the...ALL66346- SKU:
- ALL66346
- Availability:
- Ships Same Business Day
- Weight:
- 11.41 LBS
- MFG Part #:
- ALL66346
$149.99 -
Allstar Performance Axle 31 Spl 34.5 GD ALL66345
ALLSTAR PERFORMANCE
$229.99A quality axle shaft is fundamental to reliable rear-end performance, whether you're building a race car or upgrading a street machine. Allstar Performance's 31-spline solid axles deliver the...ALL66345- SKU:
- ALL66345
- Availability:
- Ships Same Business Day
- Weight:
- 8.10 LBS
- MFG Part #:
- ALL66345
$229.99 -
Allstar Performance Axle 31 Spl 34.0 Solid ALL66341
ALLSTAR PERFORMANCE
$149.99A quality axle shaft is fundamental to rear-end durability and power delivery—especially in high-load racing and street applications. The Allstar Performance 31-Spline solid axle delivers the...ALL66341- SKU:
- ALL66341
- Availability:
- Ships Same Business Day
- Weight:
- 11.82 LBS
- MFG Part #:
- ALL66341
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
Allstar Performance Axle 31 Spl 34.0 GD ALL66340
ALLSTAR PERFORMANCE
$229.99If you're building a quick-change or Ford 9-inch rear end, you need an axle shaft that matches your carrier spline count and drive flange spec—mismatches cause catastrophic failure. Allstar...ALL66340- SKU:
- ALL66340
- Availability:
- Ships Same Business Day
- Weight:
- 7.88 LBS
- MFG Part #:
- ALL66340
$229.99 -
Allstar Performance Axle 31 Spl 33.5 Solid ALL66336
ALLSTAR PERFORMANCE
$149.99If you're building a high-performance rear end or upgrading an existing quick-change or 9-inch Ford setup, you need a solid axle shaft that won't compromise durability under load. Allstar...ALL66336- SKU:
- ALL66336
- Availability:
- Ships Same Business Day
- Weight:
- 11.50 LBS
- MFG Part #:
- ALL66336
$149.99 -
Allstar Performance Axle 31 Spl 33.5 GD ALL66335
ALLSTAR PERFORMANCE
$229.99If you're building a quick-change rear end or upgrading a 9-inch Ford, a quality axle shaft is non-negotiable—it's the component that translates engine power directly to the wheels. The Allstar...ALL66335- SKU:
- ALL66335
- Availability:
- Ships Same Business Day
- Weight:
- 7.70 LBS
- MFG Part #:
- ALL66335
$229.99 -
Allstar Performance Axle 31 Spl 33.0 Solid ALL66331
ALLSTAR PERFORMANCE
$149.99A solid axle shaft is fundamental to any rear-end assembly—it transfers power directly from your differential to the wheels while maintaining structural integrity under load. Allstar Performance's...ALL66331- SKU:
- ALL66331
- Availability:
- Ships Same Business Day
- Weight:
- 10.97 LBS
- MFG Part #:
- ALL66331
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal: -
Allstar Performance Axle 31 Spl 33.0 GD ALL66330
ALLSTAR PERFORMANCE
$229.99If you're running a quick-change rear or 9-inch Ford differential, you need an axle shaft that won't compromise performance or reliability. Allstar Performance's 31-spline solid axles deliver the...ALL66330- SKU:
- ALL66330
- Availability:
- Ships Same Business Day
- Weight:
- 7.67 LBS
- MFG Part #:
- ALL66330
$229.99 -
Allstar Performance Axle 31 Spl 32.5 GD ALL66325
ALLSTAR PERFORMANCE
$229.99A quality axle shaft is the foundation of reliable rear-end performance, whether you're building a dedicated race car or a street-strip hybrid. This Allstar Performance 31-spline axle delivers the...ALL66325- SKU:
- ALL66325
- Availability:
- Ships Same Business Day
- Weight:
- 3.66 LBS
- MFG Part #:
- ALL66325
$229.99 -
Allstar Performance Axle 31 Spl 32.0 GD ALL66320
ALLSTAR PERFORMANCE
$229.99If you're building a quick-change rear or working with a 9-inch Ford, you need an axle shaft that won't compromise reliability or performance. Allstar Performance's 31-spline solid axles deliver the...ALL66320- SKU:
- ALL66320
- Availability:
- Ships Same Business Day
- Weight:
- 7.56 LBS
- MFG Part #:
- ALL66320
$229.99
