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!
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- Qty in Cart
- Quantity
- Price
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Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.73 2.20 4.86 9.11 2.59 Steel WIN8557
WINTERS
$110.99This Winters Quick Change Gear Set from the 8500 Series offers versatile gear ratios and durable steel construction, making it ideal for high-performance racing applications. With 10 spline compatibility, it provides reliable power transfer and quick...WIN8557- SKU:
- WIN8557
- Availability:
- Ships Same Business Day
- Weight:
- 7.06 LBS
- MFG Part #:
- 8557
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.51 2.26 4.86 8.86 2.67 Steel WIN8556
WINTERS
$110.99This Winters Quick Change Gear Set from the 8500 Series offers versatile gear ratios to suit various racing conditions. Crafted from high-quality steel, these gears ensure durability and consistent performance. **Features:** - Compatible with 10-spline...WIN8556- SKU:
- WIN8556
- Availability:
- Ships Same Business Day
- Weight:
- 6.89 LBS
- MFG Part #:
- 8556
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.47 2.27 4.86 8.80 2.68 Steel WIN8555
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.47 2.27 4.86 8.80 2.68 Steel WIN8555 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance across various track conditions...WIN8555- SKU:
- WIN8555
- Availability:
- Ships Same Business Day
- Weight:
- 6.94 LBS
- MFG Part #:
- 8555
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8554
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8554 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...WIN8554- SKU:
- WIN8554
- Availability:
- Ships Same Business Day
- Weight:
- 6.99 LBS
- MFG Part #:
- 8554
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.32 2.32 4.86 8.64 2.73 Steel WIN8552
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series Set 52 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance. Constructed from durable steel, this gear set ensures longevity and reliability...WIN8552- SKU:
- WIN8552
- Availability:
- Ships Same Business Day
- Weight:
- 6.97 LBS
- MFG Part #:
- 8552
$110.99Qty in Cart: 0Quantity:Price:$110.99Subtotal: -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.27 2.34 4.86 8.57 2.75 Steel WIN8551
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.27 2.34 4.86 8.57 2.75 Steel WIN8551 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance across various track conditions...WIN8551- SKU:
- WIN8551
- Availability:
- Ships Same Business Day
- Weight:
- 6.98 LBS
- MFG Part #:
- 8551
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.21 2.35 4.86 8.50 2.78 WIN8550
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series offers a versatile solution for racers seeking quick and efficient gear ratio changes. Designed for 10-spline applications, this set includes both 4.12 and 4.86 ratios, providing options for 7.21 / 2.35 and 8...WIN8550- SKU:
- WIN8550
- Availability:
- Ships Same Business Day
- Weight:
- 6.98 LBS
- MFG Part #:
- 8550
$110.99 -
Winters Quick Change Gear Set 10 Spline 4.12 4.86 Steel WIN8543
WINTERS
$110.99The Winters Quick Change Gear Set WIN8543 is engineered for high-performance racing applications, offering versatility with 4.12 and 4.86 gear ratios. Constructed from durable steel, this 10-spline gear set ensures reliability and longevity on the track...WIN8543- SKU:
- WIN8543
- Availability:
- Ships Same Business Day
- Weight:
- 6.67 LBS
- MFG Part #:
- 8543
$110.99 -
Winters Quick Change Gear Set 41 10 Spline 4.12 6.81 2.50 4.86 8.00 2.95 8541
WINTERS
$110.99The Winters Quick Change Gear Set 41 is engineered for high-performance racing applications, offering versatility and durability. Designed for 10-spline axles, this steel gear set provides two distinct gear ratios to suit various track conditions and...WIN8541- SKU:
- WIN8541
- Availability:
- Ships Same Business Day
- Weight:
- 6.77 LBS
- MFG Part #:
- 8541
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 6.72 2.53 4.86 7.93 2.98 Steel WIN8540
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series Set 40 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance across various track conditions. Constructed from premium steel, this gear set...WIN8540- SKU:
- WIN8540
- Availability:
- Ships Same Business Day
- Weight:
- 6.85 LBS
- MFG Part #:
- 8540
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8539
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8539 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance. Constructed from durable steel, this gear set ensures...WIN8539- SKU:
- WIN8539
- Availability:
- Ships Same Business Day
- Weight:
- 6.84 LBS
- MFG Part #:
- 8539
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8537
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series Set 37 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance. Constructed from durable steel, this gear set ensures longevity and reliability...WIN8537- SKU:
- WIN8537
- Availability:
- Ships Same Business Day
- Weight:
- 6.66 LBS
- MFG Part #:
- 8537
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8536
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8536 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...WIN8536- SKU:
- WIN8536
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- MFG Part #:
- 8536
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 5.82 2.92 4.86 6.86 3.44 WIN8535
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series Set 35 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance across various track conditions. Crafted from premium steel, these gears ensure...WIN8535- SKU:
- WIN8535
- Availability:
- Ships Same Business Day
- Weight:
- 6.54 LBS
- MFG Part #:
- 8535
$110.99 -
Winters Quick Change Gear Set 34A 16/22 Teeth 10 Spline 8500 Series WIN8534A
WINTERS
$110.99The Winters Quick Change Gear Set 34A is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance across various track conditions. Constructed from durable steel, this gear set ensures longevity...WIN8534A- SKU:
- WIN8534A
- Availability:
- Ships Same Business Day
- Weight:
- 6.56 LBS
- MFG Part #:
- 8534A
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8534
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series Set 34 is engineered for high-performance racing applications. This steel gear set offers 4.12 and 4.86 ratios, providing versatility for various track conditions. Designed with a 10-spline configuration, it...WIN8534- SKU:
- WIN8534
- Availability:
- Ships Same Business Day
- Weight:
- 6.58 LBS
- MFG Part #:
- 8534
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.00 2.42 4.86 8.26 2.86 Steel WIN8533
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 7.00 2.42 4.86 8.26 2.86 Steel WIN8533 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance across various track conditions...WIN8533- SKU:
- WIN8533
- Availability:
- Ships Same Business Day
- Weight:
- 6.96 LBS
- MFG Part #:
- 8533
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8532A
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8532A 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...WIN8532A- SKU:
- WIN8532A
- Availability:
- Ships Same Business Day
- Weight:
- 6.66 LBS
- MFG Part #:
- 8532A
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8532
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8532 is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance across various track conditions. Constructed from...WIN8532- SKU:
- WIN8532
- Availability:
- Ships Same Business Day
- Weight:
- 6.60 LBS
- MFG Part #:
- 8532
$110.99 -
Winters Quick Change Gear Set 8500 Series 10 Spline 4.12 4.86 Steel WIN8531A
WINTERS
$110.99The Winters Quick Change Gear Set 8500 Series Set 31A is engineered for high-performance racing applications, offering versatility with 4.12 and 4.86 gear ratios. Designed with a 10-spline configuration, these steel gears ensure durability and precise...WIN8531A- SKU:
- WIN8531A
- Availability:
- Ships Same Business Day
- Weight:
- 6.92 LBS
- MFG Part #:
- 8531A
$110.99