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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79-93 Mustang Axle Kit 8.8 28 Spl 29in 5x4.5 MG22180
TEN FACTORY
$385.19Axle Shaft29 in Long28 Spline Carrier5 x 4.50 in Bolt PatternC-ClipSteelBlack OxideFord 8.8 inFord Mustang 1979-93KitTENMG22180- SKU:
- TENMG22180
- Availability:
- Ships Same Business Day
- Weight:
- 34.20 LBS
- MFG Part #:
- MG22180
$385.19 -
73-77 Chevelle Axle Kit 8.5 28Spl 30.43in 5x4.75 MG22102
TEN FACTORY
$348.29Axle ShaftPerformance30-7/16 in Long28 Spline Carrier5x 4.75 in Bolt PatternC-ClipChromolyBlack OxideGM 10-BoltKitTENMG22102- SKU:
- TENMG22102
- Availability:
- Ships Same Business Day
- Weight:
- 33.00 LBS
- MFG Part #:
- MG22102
$348.29 -
Powerglide Input Shaft 749300
TCI
$195.95Transmission Input ShaftStock SplineBillet SteelPowerglideEachTCI749300- SKU:
- TCI749300
- Availability:
- Ships Same Business Day
- Weight:
- 2.02 LBS
- MFG Part #:
- 749300
$195.95Qty in Cart: 0Quantity:Price:$195.95Subtotal: -
Pwrgld Mstr Overhaul Kit 749000
TCI
$266.95Transmission Rebuild KitAutomaticMaster Racing OverhaulClutches / Steels / Bands / Filter / Gaskets / SealsPowerglideKitTCI749000- SKU:
- TCI749000
- Availability:
- Ships Same Business Day
- Weight:
- 8.25 LBS
- MFG Part #:
- 749000
$266.95 -
Powerglide High Gear Hub 748300
TCI
$85.95Clutch HubHigh GearSteelPowerglideEachTCI748300- SKU:
- TCI748300
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- 748300
$85.95 -
P/G Aluminum Shifter 748011
TCI
$163.95ShifterAutomaticFloor MountRed AnodizedTCI CirclematicPowerglideKitTCI748011- SKU:
- TCI748011
- Availability:
- Ships Same Business Day
- Weight:
- 3.26 LBS
- MFG Part #:
- 748011
$163.95 -
1/4in Motor Plate Spacer Kit 745504
TCI
$35.95Torque Converter Spacer1/4 in Mid-PlateTCI Competition ConverterKitTCI745504- SKU:
- TCI745504
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MFG Part #:
- 745504
$35.95 -
P/G Adjustable Front Pump Drive Kit w/1 pc Re 745004
TCI
$255.95Automatic Transmission Front Pump Drive2 PieceCrank MountSteelPowerglide1 Piece SealChevy V8KitTCI745004- SKU:
- TCI745004
- Availability:
- Ships Same Business Day
- Weight:
- 4.68 LBS
- MFG Part #:
- 745004
$255.95 -
Front Pump Drive pwrglid 745000
TCI
$246.95Automatic Transmission Front Pump Drive2 PieceCrank MountSteelPowerglide2 Piece SealChevy V8KitTCI745000- SKU:
- TCI745000
- Availability:
- Ships Same Business Day
- Weight:
- 4.78 LBS
- MFG Part #:
- 745000
$246.95 -
P/G Manual V/B-Std Pattr 744200
TCI
$316.95Automatic Transmission Valve BodyDrag / Circle Track RaceManualForward PatternPowerglide / All Aluminum CaseKitTCI744200- SKU:
- TCI744200
- Availability:
- Ships Same Business Day
- Weight:
- 14.97 LBS
- MFG Part #:
- 744200
$316.95 -
P/G Dipstick Short 743850
TCI
$82.95Transmission DipstickShortyLockingSteelZinc PlatedPowerglideEachTCI743850- SKU:
- TCI743850
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- MFG Part #:
- 743850
$82.95 -
P/G Filler Tube W/Stick 743800
TCI
$64.95Transmission DipstickLockingOEM LengthSteelZinc PlatedPowerglideEachTCI743800- SKU:
- TCI743800
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 743800
$64.95 -
P/G Circlematic Trans. Reverse Pattern 742010
TCI
$1,699.95TransmissionAutomaticCirclematicManual Valve BodyReverse PatternPowerglideKitTCI742010- SKU:
- TCI742010
- Availability:
- Ships Same Business Day
- Weight:
- 113.80 LBS
- MFG Part #:
- 742010
$1,699.95Qty in Cart: 0Quantity:Price:$1,699.95Subtotal: -
P/G 11in Circle Track Torque Converter 741125
TCI
$487.95Torque ConverterCircle Track11 in Diameter1800-2100 RPM StallLock UpPowerglideEachTCI741125- SKU:
- TCI741125
- Availability:
- Ships Same Business Day
- Weight:
- 31.85 LBS
- MFG Part #:
- 741125
$487.95 -
Torque Converter GM Powerglide 741025
TCI
$364.95Torque ConverterCircle Track10 in Diameter1800-2000 RPM StallLock UpPowerglideEachTCI741025- SKU:
- TCI741025
- Availability:
- Ships Same Business Day
- Weight:
- 27.20 LBS
- MFG Part #:
- 741025
$364.95 -
P/G Rev Friction Clutchs 724100
TCI
$38.95Clutch FrictionHigh Performance0.098 in ThickReverse ClutchPowerglideSet of 5TCI724100- SKU:
- TCI724100
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- MFG Part #:
- 724100
$38.95 -
P/G Kolene Steel Plates 724002
TCI
$49.95Clutch Plates0.070 in ThickHigh Gear ClutchNitride SteelPowerglideSet of 6TCI724002- SKU:
- TCI724002
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- MFG Part #:
- 724002
$49.95 -
Hi Gear Friction Clutch Pack(5) 724000
TCI
$35.95Clutch FrictionHigh Performance0.098 in ThickHigh Gear ClutchPowerglideSet of 5TCI724000- SKU:
- TCI724000
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- MFG Part #:
- 724000
$35.95 -
Pres Reg Spring-Powergli 704300
TCI
$20.95Transmission SpringRegulator SpringFluid Pressure RegulatingUp to 250 psiPowerglideEachTCI704300- SKU:
- TCI704300
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 704300
$20.95 -
Powerglide Over Haul Kit 628800
TCI
$63.95Transmission Rebuild KitAutomaticRacing OverhaulGaskets / Sealing Rings / SealsPowerglideKitTCI628800- SKU:
- TCI628800
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- 628800
$63.95