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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Winters Quick Change Gear Set 4400 Series 6 Spline 4.11 4.47 3.78 4.88 5.30 4.49 Steel WIN4403
WINTERS
$91.99The Winters Quick Change Gear Set 4400 Series is engineered for high-performance racing applications, offering versatile gear ratios to optimize vehicle performance. Designed with a 6-spline configuration, this steel gear set ensures durability and...WIN4403- SKU:
- WIN4403
- Availability:
- Ships Same Business Day
- Weight:
- 3.67 LBS
- MFG Part #:
- 4403
$91.99Qty in Cart: 0Quantity:Price:$91.99Subtotal: -
Winters Quick Change Gear Set 4400 Series 6 Spline 4.11 4.29 3.94 4.88 5.09 4.68 Steel WIN4402
WINTERS
$91.99The Winters Quick Change Gear Set 4400 Series 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 under...WIN4402- SKU:
- WIN4402
- Availability:
- Ships Same Business Day
- Weight:
- 3.54 LBS
- MFG Part #:
- 4402
$91.99 -
Winters Quick Change Gear Set 4400 Series 6 Spline 4.11 4.88 Steel WIN4401
WINTERS
$91.99The Winters Quick Change Gear Set 4400 Series 6 Spline 4.11 4.88 Steel WIN4401 is a high-performance gear set designed for racing applications. This set offers two different gear ratios, 4.11 and 4.88, providing versatility to suit various track...WIN4401- SKU:
- WIN4401
- Availability:
- Ships Same Business Day
- Weight:
- 3.48 LBS
- MFG Part #:
- 4401
$91.99 -
Winters Gear Cover Integral Pump Sprint 10 Bolt Aluminum Natural Quick Change WIN3792-01
WINTERS
$348.99This Winters Gear Cover is designed for Sprint 10-Bolt Quick Change rear ends, featuring an integral pump for enhanced lubrication and cooling. Constructed from durable aluminum with a natural finish, it ensures longevity and optimal performance in...WIN3792-01- SKU:
- WIN3792-01
- Availability:
- Ships Same Business Day
- Weight:
- 5.50 LBS
- MFG Part #:
- 3792-01
$348.99 -
Winters Gear Cover Big Bearing Sprint Center 10-Bolt Ball Bearings Aluminum Natural WIN3736
WINTERS
$239.99The Winters Gear Cover Big Bearing Sprint Center is a high-performance component designed for sprint car applications. Crafted from durable aluminum with a natural finish, this 10-bolt gear cover features ball bearings for enhanced reliability and is...WIN3736- SKU:
- WIN3736
- Availability:
- Ships Same Business Day
- Weight:
- 4.84 LBS
- MFG Part #:
- 3736
$239.99 -
Winters Aluminum Drive Flange 2-7/8 Wide 5 Rear Hub 5-Bolt 24 Spline WIN3698
WINTERS
$102.99The Winters Aluminum Drive Flange is engineered for 2-7/8-inch Wide 5 rear hubs, featuring a 5-bolt inverted design with a 24-spline count. Constructed from lightweight aluminum and finished with a black anodized coating, it offers enhanced durability...WIN3698- SKU:
- WIN3698
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
- MFG Part #:
- 3698
$102.99Qty in Cart: 0Quantity:Price:$102.99Subtotal: -
Winters 1-1/4" 10-Spline Lower Shaft Yoke with Integral Spacer 3533
WINTERS
$54.99This Winters Performance 3533 yoke is engineered for high-performance applications, featuring a 1-1/4-inch 10-spline design compatible with Dana 1310 series universal joints. Constructed from durable steel, it includes an integral spacer, making it ideal...WIN3533- SKU:
- WIN3533
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- MFG Part #:
- 3533
$54.99 -
Winters aluminum axle tube 2-7/8 wide 5 for Pro Eliminator 5X5 28-1/16 in long 3 in OD straight 1 piece 3246-28.062
WINTERS
$179.99This Winters Performance aluminum axle tube is engineered for the Pro Eliminator 5X5 rear end, offering a robust and lightweight solution for high-performance racing applications. With a length of 28-1/16 inches and a 3-inch outer diameter, it ensures...WIN3246-28.062- SKU:
- WIN3246-28.062
- Availability:
- Ships Same Business Day
- Weight:
- 2.48 LBS
- MFG Part #:
- 3246-28.062 OAL
$179.99 -
Winters 007 Rear Hub Drive Flange 5-Bolt 24 Spline Aluminum Black Anodized WIN3230-55
WINTERS
$59.99The Winters 007 Rear Hub Drive Flange 5-Bolt is a high-performance component designed for Wide 5 hubs, featuring a 24-spline interface and a durable aluminum construction with a black anodized finish. This drive flange ensures a secure connection between...WIN3230-55- SKU:
- WIN3230-55
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 3230-55
$59.99 -
Winters Differential Carrier 2nd Gen TrackStar Aluminum End Cap Steel 10 in Quick Change WIN3224-01
WINTERS
$1,940.99The Winters Differential TrackStar 2nd Generation is a high-performance differential carrier designed for racing applications. It features a durable steel construction with an aluminum end cap, ensuring strength and lightweight performance. Compatible...WIN3224-01- SKU:
- WIN3224-01
- Availability:
- Ships Same Business Day
- Weight:
- 24.10 LBS
- MFG Part #:
- 3224-01
$1,940.99Qty in Cart: 0Quantity:Price:$1,940.99Subtotal: -
Winters Drive Flange 5 x 4.75 24 Spline Steel Black Oxide 1680-475
WINTERS
$97.99The Winters Drive Flange 1680-475 is engineered for high-performance applications, featuring a 5 x 4.75-inch wheel bolt pattern and 24 splines. Constructed from durable steel with a black oxide finish, this flange ensures longevity and resistance to...WIN1680-475- SKU:
- WIN1680-475
- Availability:
- Ships Same Business Day
- Weight:
- 2.89 LBS
- MFG Part #:
- 1680-475
$97.99Qty in Cart: 0Quantity:Price:$97.99Subtotal: -
Winters Gear Cover Bearing Cap 3-Bolt Aluminum Gold Anodized WIN1667
WINTERS
$18.99The Winters Gear Cover Bearing Cap is a high-quality component designed for the 6746 Gear Cover, featuring a 3-bolt configuration for secure attachment. Constructed from durable aluminum and finished with a gold anodized coating, this cap ensures...WIN1667- SKU:
- WIN1667
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 1667
$18.99 -
Winters Side Bell 10in 6 Rib Left Hand Aluminum Natural WIN1663-02
WINTERS
$263.99The Winters Side Bell 10in 6 Rib Left Hand Aluminum Natural WIN1663-02 is a high-quality component designed for racing applications. This side bell is crafted from durable aluminum and features a natural finish, ensuring longevity and resistance to wear...WIN1663-02- SKU:
- WIN1663-02
- Availability:
- Ships Same Business Day
- Weight:
- 10.84 LBS
- MFG Part #:
- 1663-02
$263.99 -
Winters Side Bell 10in 6 Rib Right Hand with Inspection Plug WIN1663-01B
WINTERS
$288.99The Winters Side Bell 10in 6 Rib RH w/Inspection Plug is a high-quality aluminum component designed for the passenger side of a closed axle system. It features a 6-rib design and includes an inspection plug for easy maintenance, making it ideal for use...WIN1663-01B- SKU:
- WIN1663-01B
- Availability:
- Ships Same Business Day
- Weight:
- 10.93 LBS
- MFG Part #:
- 1663-01B
$288.99Qty in Cart: 0Quantity:Price:$288.99Subtotal: -
Winters aluminum 8-bolt thin flange axle tube 29-inch 16-bolt thin flange 2-inch GN black anodized 1400A-29
WINTERS
$307.99Winters 1400A-29 Aluminum 8-Bolt Thin Flange Axle Tube 29in w/o Spindle The Winters 1400A-29 is a high-quality aluminum axle housing tube designed for durability and performance. Measuring 29 inches in length, it features a 16-bolt thin flange and a...WIN1400A-29- SKU:
- WIN1400A-29
- Availability:
- Ships Same Business Day
- Weight:
- 6.96 LBS
- MFG Part #:
- 1400A-29
$307.99Qty in Cart: 0Quantity:Price:$307.99Subtotal: -
Winters 2in GN 8-Bolt Spindle 1.5 Camber 5x5 Bolt-On Snout WIN1384-15
WINTERS
$199.99The Winters 2in GN 8-Bolt Spindle 1.5 Cambered Snout 5X5 is a high-quality rear axle snout designed for enhanced performance and durability. This bolt-on component features a 1.5-degree camber angle, an 8-bolt flange, and is constructed from steel for...WIN1384-15- SKU:
- WIN1384-15
- Availability:
- Ships Same Business Day
- Weight:
- 3.68 LBS
- MFG Part #:
- 1384-15
$199.99Qty in Cart: 0Quantity:Price:$199.99Subtotal: -
Winters 2in GN 8-Bolt Spindle 1.0° Camber 5x5 Bolt-On Steel WIN1384-10
WINTERS
$199.99The Winters 2in GN 8-Bolt Spindle 1.0° Camber 5x5 Bolt-On Steel WIN1384-10 is a high-quality rear axle snout designed for enhanced performance and durability. Crafted from steel, this bolt-on component features a 1.0° camber angle and an 8-bolt flange,...WIN1384-10- SKU:
- WIN1384-10
- Availability:
- Ships Same Business Day
- Weight:
- 3.66 LBS
- MFG Part #:
- 1384-10
$199.99 -
Winters 2in GN 8-Bolt Spindle 5x5 Bolt-On Snout Straight WIN1384
WINTERS
$199.99The Winters 2in GN 8-Bolt Spindle 5x5 Bolt-On Snout Straight WIN1384 is a high-quality rear axle snout designed for durability and performance. Constructed from steel, it features a bolt-on design with an 8-bolt flange, bearing sleeve, and O-ring,...WIN1384- SKU:
- WIN1384
- Availability:
- Ships Same Business Day
- Weight:
- 3.62 LBS
- MFG Part #:
- 1384
$199.99 -
Winters Aluminum Locker Spring 78 lb/in Yellow Steel for 10 and 8-3/8 Quick Change Differentials WIN1280Y
WINTERS
$20.99The Winters Aluminum Locker Spring offers a 78 lb/in rate, providing optimal performance for quick change differentials. Designed for durability, this steel spring features a yellow finish and is compatible with Winters 10-inch and 8-3/8-inch quick...WIN1280Y- SKU:
- WIN1280Y
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 1280Y
$20.99 -
Winters 10 in 8-3/8 in Quick Change 90 lb/in Red Aluminum Locker Spring 1280R
WINTERS
$20.99The Winters 1280R is a high-performance differential spring designed for quick change applications, offering a 90 lb/in rate for precise locking control. Constructed from durable steel with a red finish, it is compatible with Winters' 10 in and 8-3/8 in...WIN1280R- SKU:
- WIN1280R
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 1280R
$20.99
