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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Clutch Pack 7.25in 2 Disc 10 Spline R725103K2
ACE RACING CLUTCHES
$200.99A quality clutch pack is fundamental to reliable power transfer, whether you're building a high-torque street machine or a dedicated race vehicle. The ceramic-metallic friction material in this 7...ACER725103K2- SKU:
- ACER725103K2
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MFG Part #:
- R725103K2
$200.99Qty in Cart: 0Quantity:Price:$200.99Subtotal: -
10.5in Clutch Cover Med WT R105311HDK
ACE RACING CLUTCHES
$167.63A clutch cover assembly is the foundation of reliable power transfer in any high-performance drivetrain. This 10.5-inch medium-weight pressure plate delivers 2800 lb of static clamping force, making...ACER105311HDK- SKU:
- ACER105311HDK
- Availability:
- Ships Same Business Day
- Weight:
- 17.17 LBS
- MFG Part #:
- R105311HDK
$167.63 -
Flywheel SBC External Balance 87-up R105205K
ACE RACING CLUTCHES
$156.82If you're running an externally balanced Small Block Chevy engine, your stock flywheel is costing you performance and reliability. This cast-iron SBC flywheel is engineered to match external balance...ACER105205K- SKU:
- ACER105205K
- Availability:
- Ships Same Business Day
- Weight:
- 17.53 LBS
- MFG Part #:
- R105205K
$156.82 -
10.5in Clutch Disc Organic 1-1/8x10 R105119K
ACE RACING CLUTCHES
$111.99A worn or slipping clutch disc compromises power transfer and throttle response—critical factors whether you're on the track or maximizing street performance. This 10.5-inch organic disc delivers...ACER105119K- SKU:
- ACER105119K
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
- MFG Part #:
- R105119K
$111.99 -
10.5 Clutch Disc Metallic 1-1/8x10 R105116K
ACE RACING CLUTCHES
$158.99A quality clutch disc is fundamental to reliable power transfer and consistent engagement characteristics—especially critical if you're upgrading to higher horsepower or running demanding track...ACER105116K- SKU:
- ACER105116K
- Availability:
- Ships Same Business Day
- Weight:
- 3.58 LBS
- MFG Part #:
- R105116K
$158.99 -
Winters Quick Change Gear Cover Rebuild Kit
J J MOTORSPORTS
$185.26Winters quick-change differentials demand precision maintenance, and wear on bearings and seals directly impacts your differential's performance and reliability on the track. This comprehensive...234-9088- SKU:
- 234-9088
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$185.26Qty in Cart: 0Quantity:Price:$185.26Subtotal: -
Bert Transmission Replacement Parts Kit
BERT TRANSMISSIONS
$87.44Bert transmissions demand precision-engineered wear components to maintain smooth power delivery and shift quality under high-load racing conditions. This comprehensive replacement kit addresses the...234-9042- SKU:
- 234-9042
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$87.44 -
Bert LMZ Transmission Kit for 1 Piece Rear Main Seal
J J MOTORSPORTS
$5.00If you're building or rebuilding a high-performance engine with a one-piece rear main seal configuration, the Bert LMZ Transmission Kit ensures proper alignment, sealing integrity, and longevity...234-9031- SKU:
- 234-9031
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$5.00Qty in Cart: 0Quantity:Price:$5.00Subtotal: -
Winters Falcon Transmission 10 Spline Intermediate Input Shaft Aluminum Case WIN60100B
WINTERS
$1,956.99If you're running a late-model Falcon in competition, the Winters Falcon Transmission delivers the lightweight, durable performance you need in the demanding environment of the track. The aluminum...WIN60100B- SKU:
- WIN60100B
- Availability:
- Ships Same Business Day
- Weight:
- 49.30 LBS
$1,956.99 -
Winters Axle Tube 26in 2.5in GN .156 Wall Thickness 5052R-26-156 w/8265
WINTERS
$265.99If you're building a lightweight rear axle assembly or replacing a damaged housing tube, this Winters axle tube delivers the strength-to-weight ratio you need without compromise. The 0.156-inch wall...WIN5052R-26-156- SKU:
- WIN5052R-26-156
- Availability:
- Ships Same Business Day
- Weight:
- 12.77 LBS
$265.99 -
C/F Driveshaft 2-1/4in Dia 34.5in Long CF225345
WILES RACING DRIVESHAFTS
$795.99A quality driveshaft is critical to reliable power transfer and overall drivetrain longevity. This carbon fiber construction minimizes rotational inertia while maintaining the rigidity needed for...WDSCF225345- SKU:
- WDSCF225345
- Availability:
- Ships Same Business Day
- Weight:
- 8.80 LBS
$795.99Qty in Cart: 0Quantity:Price:$795.99Subtotal: -
Strange Oval Axle 31 Spline 41.0in 1.145in OD AGY11454100
STRANGE OVAL
$320.99The Strange Oval Axle 31 Spline is engineered for high-load racing applications where reliability under extreme torque is non-negotiable. Built with gun-drilled construction to reduce unsprung weight...SOTAGY11454100- SKU:
- SOTAGY11454100
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
$320.99 -
Super T10 4 Speed Transmission 1304000072
RICHMOND
$2,989.99The Super T10 4-Speed is the foundation of countless high-performance builds, delivering bulletproof reliability and crisp shifts when precision matters most. Its proven track record in racing and...RIC1304000072- SKU:
- RIC1304000072
- Availability:
- Ships Same Business Day
- Weight:
- 83.55 LBS
$2,989.99 -
QA1 Driveshaft Carbon 38in Traction Twist w/o Yoke JJ-11274
QA1
$1,339.95A quality driveshaft is fundamental to transferring power reliably and maintaining traction in dirt late model racing. The QA1 Traction Twist design reduces parasitic losses and improves launch...QA1JJ-11274- SKU:
- QA1JJ-11274
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
$1,339.95Qty in Cart: 0Quantity:Price:$1,339.95Subtotal: -
QA1 Driveshaft Carbon 35.5in Traction Twist w/o Yoke JJ-11271
QA1
$1,339.95A traction-twist driveshaft is essential for dirt late models that demand precise power transfer without excessive deflection under hard acceleration. The QA1 carbon construction reduces rotating...QA1JJ-11271- SKU:
- QA1JJ-11271
- Availability:
- Ships Same Business Day
- Weight:
- 5.90 LBS
$1,339.95Qty in Cart: 0Quantity:Price:$1,339.95Subtotal: -
QA1 Driveshaft Carbon 38.5in Crate LM w/o Yoke JJ-11222
QA1
$964.95A quality driveshaft is fundamental to reliable power transfer and consistent performance on the track. The QA1 Carbon 38.5in Driveshaft delivers the lightweight construction and durability that dirt...QA1JJ-11222- SKU:
- QA1JJ-11222
- Availability:
- Ships Same Business Day
- Weight:
- 6.10 LBS
$964.95Qty in Cart: 0Quantity:Price:$964.95Subtotal: -
Detent Center .970in JER-0050
JERICO
$5.99The Detent Center pin is a critical component in Jerico transmission shift mechanisms, ensuring positive gear engagement and preventing unwanted shifting during hard acceleration or deceleration...JER0050- SKU:
- JER0050
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$5.99Qty in Cart: 0Quantity:Price:$5.99Subtotal: -
Retainer Front Bearing JER-0022
JERICO
$57.99The Retainer Front Bearing JER-0022 is a critical wear component that maintains proper bearing preload and alignment in your Jerico transmission. When this retainer begins to wear or fail, you'll...JER0022- SKU:
- JER0022
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
$57.99Qty in Cart: 0Quantity:Price:$57.99Subtotal: -
Chevrolet Performance Flexplate - SBC Ext. Bal 153 Tooth 1pc. RR Seal 14088765
CHEVROLET PERFORMANCE
$169.99A flexplate is the critical link between your engine and transmission—get it wrong and you're looking at vibration, premature wear, or catastrophic failure. This Chevrolet Performance unit is...GMP14088765- SKU:
- GMP14088765
- Availability:
- Ships Same Business Day
- Weight:
- 5.40 LBS
$169.99Qty in Cart: 0Quantity:Price:$169.99Subtotal: -
DMI Steel Smart Tube Style Axle Tube 24.25in RRC-2201-24.25
DIVERSIFIED MACHINE
$153.99A quality axle tube is the backbone of any reliable rear axle assembly—it's what handles the torque, lateral loads, and constant punishment of aggressive driving. The DMI Steel Smart Tube Style Axle...DMIRRC-2201-24.5- SKU:
- DMIRRC-2201-24.5
- Availability:
- Ships Same Business Day
- Weight:
- 11.52 LBS
$153.99
