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
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- Price
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Winters 007 Rear Hub Drive Flange 5-Bolt 24 Spline Aluminum Black Anodized WIN3230-55
WINTERS
$59.99If you're running a Wide 5 hub setup, the integrity of your drive flange directly impacts both wheel security and hub longevity—especially under sustained high-speed or high-load racing conditions. The Winters 007 eliminates guesswork with a precision...WIN3230-55- SKU:
- WIN3230-55
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 3230-55
$59.99 -
Winters Gear Cover Bearing Cap 3-Bolt Aluminum Gold Anodized WIN1667
WINTERS
$18.99If you're running a Winters Quick Change differential, the gear cover bearing cap is a critical wear component that directly impacts shift reliability and longevity. A worn or damaged cap compromises the seal integrity of your gear cover, leading to...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
$263.99If you're running a Winters 10-inch Quick Change rear end, the correct side bell is non-negotiable for proper axle alignment and differential function. This driver-side bell is precision-engineered to handle the demands of closed-axle systems in...WIN1663-02- SKU:
- WIN1663-02
- Availability:
- Ships Same Business Day
- Weight:
- 10.84 LBS
- MFG Part #:
- 1663-02
$263.99 -
Winters 2in GN 8-Bolt Spindle 1.0° Camber 5x5 Bolt-On Steel WIN1384-10
WINTERS
$199.99If you're running a dedicated race vehicle or high-performance rear axle setup, spindle geometry directly impacts handling, tire wear, and overall drivetrain reliability. The Winters 2in GN spindle delivers precision-engineered construction with a fixed...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
$199.99A quality rear axle snout is critical to maintaining axle integrity and preventing fluid leakage under load—especially in high-demand racing environments. The Winters 2in GN 8-Bolt Spindle delivers the precision fit and durability you need with its steel...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
$20.99Precision differential control hinges on the right locker spring rate, and the Winters 78 lb/in delivers the exact engagement characteristics you need for consistent performance on the track or strip. This steel spring maintains its calibration under...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 locker spring is essential for racers running quick change differentials who need precise, predictable locking engagement without compromise. A properly rated spring prevents aggressive lock-up that can upset chassis balance mid-corner...WIN1280R- SKU:
- WIN1280R
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 1280R
$20.99 -
Winters Differential Spring Locker 58 lb/in Steel Orange for 10 and 8-3/8 Quick Change WIN1280O
WINTERS
$20.99A spring locker is critical for maintaining consistent traction under load transfer, especially in high-horsepower racing applications where wheel hop and axle wrap can cost you lap time. The Winters Differential Spring Locker delivers predictable...WIN1280O- SKU:
- WIN1280O
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- 1280O
$20.99Qty in Cart: 0Quantity:Price:$20.99Subtotal: -
Winters Gear Cover 6-Bolt Sprint Billet Aluminum Black Anodized WIN12175
WINTERS
$301.99If you're running a Winters Quick Change rear end on your sprint car, the gear cover isn't just an accessory—it's essential protection for your drivetrain. This billet aluminum cover shields your gears from debris and impact while the black anodized...WIN12175- SKU:
- WIN12175
- Availability:
- Ships Same Business Day
- Weight:
- 4.10 LBS
- MFG Part #:
- 12175
$301.99 -
Wilwood 5-Bolt Drive Flange Starlite 55 5 x 3.980 in Bolt Pattern 24 Spline Aluminum Clear Anodized WIL270-6733
WILWOOD
$96.18If you're building a high-performance brake system or upgrading your racing setup, the Wilwood 5-Bolt Drive Flange delivers the precision and durability your application demands. Machined from aerospace-grade 7075-T6 aluminum, this lightweight component...WIL270-6733- SKU:
- WIL270-6733
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- 270-6733
$96.18 -
Wilwood Starlite 55 5-Bolt Drive Flange 24 Spline with Bolts 270-6732
WILWOOD
$90.88The Wilwood Starlite 55 5-Bolt Drive Flange is engineered for drag racing and high-performance applications where wheel security and repeatability are non-negotiable. If you're running Wilwood's Wide 5 hub system, this flange delivers the precision fit...WIL270-6732- SKU:
- WIL270-6732
- Availability:
- Ships Same Business Day
- Weight:
- 1.28 LBS
- MFG Part #:
- 270-6732
$90.88 -
Wilwood 5 Bolt Drive Flange 5 x 3.980 in Bolt Pattern 24 Spline Aluminum Black Anodized 270-13213
WILWOOD
$105.81When you're pushing your differential to the limit, you need a drive flange that won't fail under extreme load and heat. The Wilwood 5 Bolt Drive Flange delivers the precision fit and material strength demanded by serious racers, with a purpose-built...WIL270-13213- SKU:
- WIL270-13213
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
- MFG Part #:
- 270-13213
$105.81 -
Wilwood Slave Cylinder Rebuild Kit 7/8" Bore 260-5524
WILWOOD
$23.21A worn or degraded slave cylinder compromises your entire clutch hydraulic system, leading to soft pedal feel, inconsistent engagement, and potential drivetrain damage during competition or high-demand driving. This Wilwood rebuild kit restores your...WIL260-5524- SKU:
- WIL260-5524
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- 260-5524
$23.21 -
On Sale
Wehrs Clamp Bracket for Axle Tube Lead Mount WEHWM356
WEHRS MACHINE
MSRP: $40.99Now: $40.00Was: $40.99Precision weight distribution is critical in competitive racing, and the Wehrs Clamp Bracket delivers a secure, repeatable mounting solution for axle tube ballast systems. This aluminum bracket installs quickly with a straightforward clamp-on design,...WEHWM356- SKU:
- WEHWM356
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- WM356
MSRP: $40.99Now: $40.00Was: $40.99 -
On Sale
Wehrs Shifter Setback Mount WEHWM146
WEHRS MACHINE
MSRP: $50.99Now: $50.00Was: $50.99Tight engine bays and unconventional cockpit layouts demand precise shifter positioning—and the Wehrs Shifter Setback Mount delivers exactly that. This mount lets you relocate your shifter 4 to 6 inches rearward, optimizing driver ergonomics and clearing...WEHWM146- SKU:
- WEHWM146
- Availability:
- Ships Same Business Day
- Weight:
- 1.32 LBS
- MFG Part #:
- WM146
MSRP: $50.99Now: $50.00Was: $50.99 -
Steel Driveshaft 2in Dia 35-1/2in Long WDSS295355
WILES RACING DRIVESHAFTS
$213.56A quality driveshaft is fundamental to reliable power transfer in any high-performance drivetrain. This steel unit handles the demands of street and strip applications without sacrifice, delivering consistent torque delivery while maintaining the...WDSS295355- SKU:
- WDSS295355
- Availability:
- Ships Same Business Day
- Weight:
- 10.95 LBS
- MFG Part #:
- S295355
$213.56Qty in Cart: 0Quantity:Price:$213.56Subtotal: -
C/F Driveshaft 3-1/4in Dia 35-1/2in Long WDSCF325355
WILES RACING DRIVESHAFTS
$794.99Reducing rotational mass is one of the most effective ways to improve acceleration, fuel efficiency, and overall drivetrain responsiveness. This carbon fiber driveshaft delivers significant weight savings compared to traditional steel while maintaining...WDSCF325355- SKU:
- WDSCF325355
- Availability:
- Ships Same Business Day
- Weight:
- 10.70 LBS
- MFG Part #:
- CF325355
$794.99Qty in Cart: 0Quantity:Price:$794.99Subtotal: -
Clutch Floater Plate 5.5 OT-lll 67-119
TILTON
$97.75Clutch floater plates endure extreme temperatures and shear forces—when yours shows signs of warping or heat damage, a replacement isn't optional if you want consistent engagement and predictable pedal feel. This Tilton OT-III floater plate is flame-cut...TIL67-119- SKU:
- TIL67-119
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- 67-119
$97.75 -
Clutch Pressure Plate 5.5 OT-lll 67-118HR
TILTON
$157.25A high-ratio pressure plate is essential for any racing application demanding consistent clamp load and reliable engagement under extreme conditions. This Tilton OT-III plate delivers the precise clamping force needed to transfer power without slippage,...TIL67-118HR- SKU:
- TIL67-118HR
- Availability:
- Ships Same Business Day
- Weight:
- 1.24 LBS
- MFG Part #:
- 67-118HR
$157.25 -
Clutch Floater Plate 66-119
TILTON
$103.70A worn or damaged clutch floater plate directly compromises your engagement consistency and heat dissipation—critical factors whether you're running a high-RPM road course or pushing power on the strip. This Tilton OT-II replacement plate restores the...TIL66-119- SKU:
- TIL66-119
- Availability:
- Ships Same Business Day
- Weight:
- 1.19 LBS
- MFG Part #:
- 66-119
$103.70
