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 Solid Axle 28-1/2in 31 Spline Carrier 24 Spline Drive Flange WIN5067-28.500
WINTERS
$118.99A quality axle shaft is the foundation of reliable power transfer in any race car setup. The Winters Solid Axle delivers the strength and precision your drivetrain demands, with a robust steel construction and proper spline configuration to handle...WIN5067-28.500- SKU:
- WIN5067-28.500
- Availability:
- Ships Same Business Day
- Weight:
- 10.02 LBS
$118.99Qty in Cart: 0Quantity:Price:$118.99Subtotal: -
Winters Drive Flange Wide 5 Cambered Black Urethane WIN1153CB
WINTERS
$492.99If you're running a Wide 5 hub setup, you need a drive flange that can handle the rotational forces and vibration inherent to high-performance racing. The Winters WIN1153CB combines an elastic dynamic dampener with robust aluminum construction to reduce...WIN1153CB- SKU:
- WIN1153CB
- Availability:
- Ships Same Business Day
- Weight:
- 10.50 LBS
$492.99 -
Wilwood Drive Flange Wide 5 Cambered 5 Bolt 24 Spline Steel Clear Anodized 270-16183
WILWOOD
$301.05Precision wheel alignment is non-negotiable in high-performance racing, and this Wilwood drive flange delivers the adjustability you need to dial in your setup. With up to 2 degrees of camber adjustment, you can fine-tune your suspension geometry for...WIL270-16183- SKU:
- WIL270-16183
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$301.05 -
Wilwood Clutch Slave Cylinder 7/8" Bore 1-3/8" Stroke 11-3/4" Length WIL260-1333
WILWOOD
$103.33A slave cylinder is only as good as its ability to deliver complete, consistent clutch disengagement—and the Wilwood WIL260-1333 is engineered to do exactly that. Built from billet aluminum with stainless steel internals, this pull-type cylinder handles...WIL260-1333- SKU:
- WIL260-1333
- Availability:
- Ships Same Business Day
- Weight:
- 0.80 LBS
$103.33 -
Wehrs Shifter Arm Saginaw WEHWM8
WEHRS MACHINE
$11.00A quality shifter arm is critical for precise, responsive gear selection under racing conditions—especially when every millisecond counts. The Wehrs Shifter Arm Saginaw delivers the rigidity and durability your Saginaw transmission needs, whether you're...WEHWM8- SKU:
- WEHWM8
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
$11.00 -
On Sale
Wehrs Shift Handle Straight w/ Knob Black 5-1/2in Tall WEHWM29179
WEHRS MACHINE
MSRP: $54.99Now: $54.00Was: $54.99Precise gear selection is non-negotiable in high-performance racing, and your shifter handle is the direct interface between driver input and transmission response. The Wehrs Shift Handle delivers the ergonomic control and durability that professional...WEHWM29179- SKU:
- WEHWM29179
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
MSRP: $54.99Now: $54.00Was: $54.99 -
On Sale
Wehrs Breather Tranny / Rear End w/ Filter WEHWM128B
WEHRS MACHINE
MSRP: $30.99Now: $30.00Was: $30.99Excessive pressure buildup in your transmission and rear differential can lead to seal failure, fluid leakage, and catastrophic component damage. The Wehrs Breather Tranny / Rear End with integrated filter eliminates this risk by allowing controlled...WEHWM128B- SKU:
- WEHWM128B
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $30.99Now: $30.00Was: $30.99 -
Clutch Assy. 5.5in 3 Dis Sport 26spl 67-903HG-36
TILTON
$820.25If you're running a high-horsepower engine or pushing aggressive launch conditions, a single-disc clutch won't cut it. This triple-disc Sport clutch delivers the holding power and durability you need for consistent, repeatable performance without...TIL67-903HG-36- SKU:
- TIL67-903HG-36
- Availability:
- Ships Same Business Day
- Weight:
- 7.45 LBS
$820.25 -
Clutch Pack 1 Disc 7.25 1in x 23spl Cerametallic 64185-8-W-30
TILTON
$131.75A quality clutch disc is fundamental to reliable power transfer and consistent engagement, whether you're building a street machine or a dedicated race car. This cerametallic disc delivers the friction coefficient and thermal stability needed for both...TIL64185-8-W-30- SKU:
- TIL64185-8-W-30
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$131.75 -
3 Plt Clutch Disc Pack 26 Spline 64140-9-ABA-36
TILTON
$331.50If you're running a high-performance clutch system, the quality of your friction discs directly impacts engagement consistency, heat dissipation, and overall drivetrain reliability. This 3-piece metallic disc pack from Tilton is engineered for serious...TIL64140-9-ABA-36- SKU:
- TIL64140-9-ABA-36
- Availability:
- Ships Same Business Day
- Weight:
- 2.44 LBS
$331.50 -
3 Plt Clutch Disc Pack 1-5/32in 26 Spline 64140-1-ABA-36
TILTON
$255.00If you're running a high-performance transmission or drag racing setup, clutch disc integrity directly impacts power delivery and consistency on the track. This Tilton three-disc pack delivers the friction surface reliability you need for repeated hard...TIL64140-1-ABA-36- SKU:
- TIL64140-1-ABA-36
- Availability:
- Ships Same Business Day
- Weight:
- 2.04 LBS
$255.00 -
Hyd. T/O Bearing Ford T5 / T56 Adj. Flat Face 60-6104
TILTON
$395.25A hydraulic throwout bearing is critical for smooth, consistent clutch engagement and disengagement—especially under high-performance driving conditions where mechanical tolerances matter. The adjustable flat-face design of this unit allows you to...TIL60-6104- SKU:
- TIL60-6104
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$395.25 -
Hyd. T/O Bearing QM Bell 44mm 3.00in Tall 60-2210
TILTON
$395.25A quality hydraulic throwout bearing is critical to achieving consistent clutch engagement and disengagement, especially in high-performance and racing applications where precision matters. This Tilton-compatible unit delivers reliable actuation for...TIL60-2210- SKU:
- TIL60-2210
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
$395.25Qty in Cart: 0Quantity:Price:$395.25Subtotal: -
Ring Gear Cover Mount 110t 6 & 8 Leg Clutches 51-110-1
TILTON
$263.50If you're running a high-RPM clutch system with Quarter Master clutches, the ring gear is a critical wear component that directly impacts engagement consistency and launch reliability. A worn or damaged 110-tooth ring gear compromises your clutch's...TIL51-110-1- SKU:
- TIL51-110-1
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
$263.50 -
FLexplate SFI 168 Tooth GM LS Internal Balance 399853
TCI
$519.95A flexplate is the critical link between your engine and transmission—and a worn or damaged unit will cause vibration, noise, and potential drivetrain failure. This SFI-certified flexplate is engineered for GM LS-series engines and delivers the precision...TCI399853- SKU:
- TCI399853
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$519.95 -
Strange Oval Axle 31 Spline 36.50in 1.145in OD AGY11453650
STRANGE OVAL
$320.99Short-track racing demands axles that can handle brutal side-loading and repeated shock cycles without compromise. The Strange Oval Axle delivers the strength and precision your chassis needs to hook up consistently, lap after lap. This gun-drilled...SOTAGY11453650- SKU:
- SOTAGY11453650
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$320.99 -
Strange Oval Axle 31 Spline 34.5in 1.130in OD AGY11303450
STRANGE OVAL
$320.99A precision axle shaft is fundamental to reliable power transfer in high-performance applications, and the Strange Oval Axle delivers the strength and durability required for competitive racing and heavy-duty use. Whether you're building a dedicated drag...SOTAGY11303450- SKU:
- SOTAGY11303450
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$320.99 -
Strange Oval Axle 31 Spline 32.625in 1.130in OD AGY11303262
STRANGE OVAL
$290.99A quality axle shaft is the backbone of any reliable drivetrain—especially under high-load racing conditions. The Strange Oval Axle delivers the precision engineering and durability you need to maintain consistent power transfer without compromising...SOTAGY11303262- SKU:
- SOTAGY11303262
- Availability:
- Ships Same Business Day
- Weight:
- 9.80 LBS
$290.99Qty in Cart: 0Quantity:Price:$290.99Subtotal: -
Strange Oval Axle 31 Spline 33.0in 1.115in OD AGY11153300
STRANGE OVAL
$320.99Strange Engineering's oval axle shafts are engineered for consistent power delivery and maximum reliability in high-stress racing applications. The 31-spline carrier interface provides secure engagement with minimal slop, while the gun-drilled...SOTAGY11153300- SKU:
- SOTAGY11153300
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
$320.99 -
Strange Oval Axle 31 Spline 31.0in 1.115in OD AGY11153100
STRANGE OVAL
$320.99Built for short-track racers who demand reliability under sustained lateral loads, the Strange Oval Axle delivers the precise spline engagement and structural rigidity required for consistent performance lap after lap. The gun-drilled design reduces...SOTAGY11153100- SKU:
- SOTAGY11153100
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$320.99
