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 Bearing 71023
BRINN TRANSMISSION
$29.99Bearing Transmission BearingOutputBall BearingBrinn TransmissionEachBRI71023- SKU:
- BRI71023
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- MFG Part #:
- 71023
$29.99Qty in Cart: 0Quantity:Price:$29.99Subtotal: -
Brinn First Drive Clutch Disc 71021
BRINN TRANSMISSION
$39.99First Drive Clutch Disc Clutch FrictionRearBrinn TransmissionEachBRI71021- SKU:
- BRI71021
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 71021
$39.99 -
Brinn Bearing 71019
BRINN TRANSMISSION
$25.99Bearing 71019 High-performance transmission bearing designed for optimal efficiency Features caged needle roller bearings for enhanced load distribution Specifically engineered for Brinn transmission systems Durable construction ensures long-lasting...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
$40.99Heavy Duty Friction Disc Clutch FrictionBrinn TransmissionEachBRI71018- SKU:
- BRI71018
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 71018
$40.99 -
Brinn Clutch Pressure Disc Steel 71017
BRINN TRANSMISSION
$9.99Clutch Pressure Disc SteelClutch DiscSteelBrinn TransmissionEachBRI71017- SKU:
- BRI71017
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 71017
$9.99 -
Brinn Spring-Clutch Release 71016
BRINN TRANSMISSION
$14.99Spring-Clutch Release Transmission SpringClutch Release SpringBrinn TransmissionEachBRI71016- SKU:
- BRI71016
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 71016
$14.99 -
Brinn Bearing 71015
BRINN TRANSMISSION
$10.99Bearing Transmission BearingCaged Needle Roller BearingsBrinn TransmissionEachBRI71015- SKU:
- BRI71015
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- 71015
$10.99 -
Brinn Thrust Washer 71013
BRINN TRANSMISSION
$8.49Thrust Washer Thrust Washer0.060 in ThickBrinn TransmissionEachBRI71013- SKU:
- BRI71013
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 71013
$8.49 -
Brinn Bushing 71012
BRINN TRANSMISSION
$17.99Bushing Transmission BushingInputBrassNaturalBrinn TransmissionEachBRI71012- SKU:
- BRI71012
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 71012
$17.99Qty in Cart: 0Quantity:Price:$17.99Subtotal: -
Brinn Bearing with clip 71008
BRINN TRANSMISSION
$32.99Bearing with clip Transmission BearingFrontBall BearingBrinn TransmissionEachBRI71008- SKU:
- BRI71008
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
- MFG Part #:
- 71008
$32.99 -
Brinn Vent Assembly 71007
BRINN TRANSMISSION
$7.59Vent Assembly Transmission VentSteelBrinn TransmissionsEachBRI71007- SKU:
- BRI71007
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 71007
$7.59 -
Brinn Shifter Assy. Predator Transmission 70630
BRINN TRANSMISSION
$149.99Shifter Assy. Predator TransmissionShifter Assembly1 LeverFloor MountAluminumNaturalBrinn TransmissionKitBRI70630- SKU:
- BRI70630
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
- MFG Part #:
- 70630
$149.99 -
Brinn Clutch Assembly Clip 70046
BRINN TRANSMISSION
$8.99Clutch Assembly Clip Clutch Assembly WireToolSteelNaturalBrinn Transmission ServiceEachBRI70046- SKU:
- BRI70046
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 70046
$8.99 -
Brinn Original Transmission Rebuild Kit 70041
BRINN TRANSMISSION
$324.99Rebuild Kit Transmission Rebuild Kit Basic Clutch Discs Bushings / Seals Brinn Original Transmissions Kit Brinn Rebuild Kit Includes:• (4) – Shift Lever O-rings - (BRI 71003)• (1) – Front Seal - (BRI 71011)• (1) –...BRI70041- SKU:
- BRI70041
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MFG Part #:
- 70041
$324.99Qty in Cart: 0Quantity:Price:$324.99Subtotal: -
Brinn Magnesium Transmission 70010
BRINN TRANSMISSION
$3,154.99Magnesium Transmission TransmissionOriginalManual2-Forward SpeedsReverseInternal Hydraulic Clutch10 Input SplineMagnesium CaseKitBRI70010- SKU:
- BRI70010
- Availability:
- Ships Same Business Day
- Weight:
- 52.15 LBS
- MFG Part #:
- 70010
$3,154.99 -
Bert Needle Roller Ball Spline SG-1504
BERT TRANSMISSIONS
$111.99Needle Roller Ball SplineTransmission BearingRadialNeedle Roller BearingsBert Ball Spline TransmissionsEachBERSG-1504- SKU:
- BERSG-1504
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MFG Part #:
- SG-1504
$111.99 -
Bert Aluminum Transmission (GEN 2) Ball Spline SG-1500
BERT TRANSMISSIONS
$3,169.99Aluminum Transmission (GEN 2) Ball Spline SG-1500 Transmission Second Gen Ball Spline Manual 2-Forward Speeds Reverse Internal Hydraulic Clutch 10 Input Spline Aluminum Case Kit Late Model Ball Spline Transmission by Bert Transmission®. Designed...BERSG1500- SKU:
- BERSG1500
- Availability:
- Ships Same Business Day
- Weight:
- 46.25 LBS
- MFG Part #:
- SG-1500
$3,169.99 -
Bert Ball Bearing Deep Groove SG-1350
BERT TRANSMISSIONS
$31.99Ball Bearing Deep Groove Transmission BearingFrontBall BearingBert Ball Spline TransmissionsEachBERSG-1350- SKU:
- BERSG-1350
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MFG Part #:
- SG-1350
$31.99 -
Bert 1 Lever Shifter SG-1310
BERT TRANSMISSIONS
$132.991 Lever Shifter Shifter AssemblyLate Model1 LeverFloor MountAluminumBlue / Gold AnodizedBert Second Generation TransmissionsEachBERSG1310- SKU:
- BERSG1310
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
- MFG Part #:
- SG-1310
$132.99 -
Bert Aluminum Transmission (GEN 2) 19in Length SG-1300
BERT TRANSMISSIONS
$2,369.99Alum Transmission 2nd Generation 19in OAL Transmission Second Gen Manual 2-Forward Speeds Reverse Internal Hydraulic Clutch 10 Input Spline 19 in Long Aluminum Case Kit The New Bert Second Generation transmission has given the edge to...BERSG1300- SKU:
- BERSG1300
- Availability:
- Ships Same Business Day
- Weight:
- 42.35 LBS
- MFG Part #:
- SG-1300
$2,369.99