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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Brinn Tail Housing Only 72003
BRINN TRANSMISSION
$324.99If you're rebuilding or servicing a Brinn transmission, a quality tail housing is non-negotiable—it protects your output shaft, maintains seal integrity, and ensures proper alignment of drivetrain...BRI72003- SKU:
- BRI72003
- Availability:
- Ships Same Business Day
- Weight:
- 5.86 LBS
- MFG Part #:
- 72003
$324.99 -
Brinn Bearing 71049
BRINN TRANSMISSION
$35.99The Brinn Bearing 71049 is engineered to handle the high-load demands of precision transmission systems, delivering the reliability required for sustained performance in competitive and demanding...BRI71049- SKU:
- BRI71049
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 71049
$35.99 -
Brinn Needle Thrust Bearing 71033
BRINN TRANSMISSION
$15.99The Brinn Needle Thrust Bearing 71033 is engineered to handle the extreme axial loads generated during aggressive acceleration and high-RPM shifting in performance transmissions. This precision...BRI71033- SKU:
- BRI71033
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 71033
$15.99 -
Brinn Thrust Washer 71032
BRINN TRANSMISSION
$20.99Thrust washers are critical wear components in manual transmissions that prevent excessive axial movement of gears and shafts. If your Brinn transmission is experiencing play, noise, or shifting...BRI71032- SKU:
- BRI71032
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 71032
$20.99 -
Brinn Pin Clutch Actuator 71030
BRINN TRANSMISSION
$9.49If you're running a Brinn transmission in a high-performance or racing application, this clutch actuator pin is a critical wear item that directly affects shift reliability and clutch engagement...BRI71030- SKU:
- BRI71030
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 71030
$9.49 -
Brinn Bleeder Assembly 71027
BRINN TRANSMISSION
$13.99Proper brake system maintenance requires reliable bleed points to remove air and contaminated fluid from your lines. The Brinn Bleeder Assembly ensures you can access your brake system efficiently...BRI71027- SKU:
- BRI71027
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 71027
$13.99 -
Brinn Needle Thrust Bearing 71026
BRINN TRANSMISSION
$8.99Transmission thrust loads demand precision engineering, and the Brinn Needle Thrust Bearing 71026 is engineered to handle the lateral forces that conventional bearings struggle with. Whether you're...BRI71026- SKU:
- BRI71026
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 71026
$8.99 -
Brinn Thrust Washer 71025
BRINN TRANSMISSION
$18.49Thrust washers are critical components that manage axial loads in your transmission, preventing gear slippage and ensuring reliable power transfer during hard acceleration. A worn or undersized...BRI71025- SKU:
- BRI71025
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 71025
$18.49 -
Brinn Bearing 71023
BRINN TRANSMISSION
$31.99A failing transmission bearing compromises power delivery and reliability under load—particularly critical when you're pushing a Brinn transmission to its limits. This OEM-specification ball bearing...BRI71023- SKU:
- BRI71023
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- MFG Part #:
- 71023
$31.99 -
Brinn First Drive Clutch Disc 71021
BRINN TRANSMISSION
$39.99If you're running a Brinn transmission and experiencing slippage or inconsistent engagement, a worn clutch disc is often the culprit—and it directly impacts your ability to deliver power cleanly to...BRI71021- SKU:
- BRI71021
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 71021
$39.99 -
Brinn Bearing 71019
BRINN TRANSMISSION
$25.99If you're running a Brinn transmission at the edge of performance, bearing wear directly impacts shift quality, efficiency loss, and potential catastrophic failure. The Brinn 71019 bearing is...BRI71019- SKU:
- BRI71019
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- 71019
$25.99 -
Brinn Heavy Duty Friction Disc 71018
BRINN TRANSMISSION
$40.99If you're running a Brinn transmission in a high-performance application, friction disc wear directly impacts your power transfer and shift quality. The Brinn Heavy Duty Friction Disc 71018 delivers...BRI71018- SKU:
- BRI71018
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 71018
$40.99 -
Brinn Clutch Pressure Disc Steel 71017
BRINN TRANSMISSION
$9.99If you're running a Brinn transmission in a high-output application, the clutch pressure disc is a critical wear component that directly impacts engagement quality and power delivery. A degraded or...BRI71017- SKU:
- BRI71017
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 71017
$9.99 -
Brinn Spring-Clutch Release 71016
BRINN TRANSMISSION
$14.99A properly functioning clutch release spring is critical to maintaining consistent engagement and disengagement across all RPM ranges, especially in high-performance applications where precision...BRI71016- SKU:
- BRI71016
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 71016
$14.99 -
Brinn Bearing 71015
BRINN TRANSMISSION
$10.99Transmission bearing reliability directly impacts your shift quality and drivetrain longevity. The Brinn caged needle roller bearing is engineered to handle the demands of high-performance driving,...BRI71015- SKU:
- BRI71015
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- 71015
$10.99 -
Brinn Thrust Washer 71013
BRINN TRANSMISSION
$8.49Thrust washers are critical wear items in high-performance transmissions, preventing axial movement and protecting against catastrophic bearing failure during aggressive acceleration and shifting. If...BRI71013- SKU:
- BRI71013
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 71013
$8.49 -
Brinn Bushing 71012
BRINN TRANSMISSION
$17.99Your Brinn transmission's input shaft requires a bushing engineered to handle the constant engagement forces of high-performance driving. The Brinn Bushing 71012 delivers the precision fit and...BRI71012- SKU:
- BRI71012
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 71012
$17.99 -
Brinn Bearing with clip 71008
BRINN TRANSMISSION
$32.99Keep your Brinn transmission running smooth and precise with this front ball bearing and clip assembly — built for performance applications where reliability is non-negotiable. Engineered to OEM...BRI71008- SKU:
- BRI71008
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
- MFG Part #:
- 71008
$32.99 -
Brinn Vent Assembly 71007
BRINN TRANSMISSION
$7.59Transmission venting is critical for maintaining consistent hydraulic pressure and preventing seal degradation under extreme operating conditions. A properly functioning vent assembly ensures your...BRI71007- SKU:
- BRI71007
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 71007
$7.59 -
Brinn Shifter Assy. Predator Transmission 70630
BRINN TRANSMISSION
$149.99The Brinn Shifter Assembly for Predator transmissions delivers crisp, positive gear engagement with zero slop—essential for consistent lap times and reliable shifts under load. This floor-mounted...BRI70630- SKU:
- BRI70630
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
- MFG Part #:
- 70630
$149.99
