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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Rear Cover Bearing QC0090
FRANKLAND RACING
$15.99Rear Cover Bearing Gear Cover BearingBall BearingSteelFrankland Gear CoverEachFRKQC0090- SKU:
- FRKQC0090
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- MFG Part #:
- QC0090
$15.99 -
Rear Cover Superlight Coated KT0840MC
FRANKLAND RACING
$151.99Rear Cover Superlight CoatedGear Cover10-BoltBall BearingsAluminumThermal Dispersant CoatedFrankland Quick ChangeEachFRKKT0840MC- SKU:
- FRKKT0840MC
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MFG Part #:
- KT0840MC
$151.99Qty in Cart: 0Quantity:Price:$151.99Subtotal: -
Superlite Rear Cover KT0840M
FRANKLAND RACING
$114.99Superlite Rear Cover Gear Cover10-BoltBall BearingsAluminumNaturalFrankland Quick ChangeEachFRKKT0840M- SKU:
- FRKKT0840M
- Availability:
- Ships Same Business Day
- Weight:
- 3.05 LBS
- MFG Part #:
- KT0840M
$114.99 -
Differential Shim Kit KT0445
FRANKLAND RACING
$12.99Differential Shim Kit Differential ShimSteelFrankland Superlite Quick ChangeSet of 10FRKKT0445- SKU:
- FRKKT0445
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- KT0445
$12.99 -
Gleason Torsen Diff QC w/Bearings KT0100
FRANKLAND RACING
$1,589.99Gleason Torsen Diff QC w/BearingsDifferential CarrierGleason Torsen31 SplineBearings / ShimsIronFrankland / Winters Quick ChangeEachFRKKT0100- SKU:
- FRKKT0100
- Availability:
- Ships Same Business Day
- Weight:
- 27.48 LBS
- MFG Part #:
- KT0100
$1,589.99 -
Ford Performance Roller Pilot Bearing 289 302 351C 351W 0.669 Input Shaft M-7600-A
FORD
$11.99This roller pilot bearing is engineered for Small Block Ford engines, including 289, 302, 351C, and 351W models. Designed for a 0.669-inch input shaft, it ensures smooth clutch operation and extends the lifespan of your clutch assembly. Compatible...FRDM7600-A- SKU:
- FRDM7600-A
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- M-7600-A
$11.99 -
Ford Performance Daytona-Style 9" Nodular Iron Pinion Bearing Retainer M-4614-B
FORD
$113.99This high-strength steel pinion support is designed for Ford 9-inch rear ends, featuring a Daytona-style configuration for enhanced durability and performance. Its natural finish provides a sleek appearance while maintaining the structural integrity...FRDM4614-B- SKU:
- FRDM4614-B
- Availability:
- Ships Same Business Day
- Weight:
- 6.62 LBS
- MFG Part #:
- M-4614-B
$113.99 -
Aluminum SFI Flywheel - SBC 168 Tooth- Int. Bal. 198681
FIDANZA ENGINEERING
$482.99Aluminum SFI Flywheel - SBC 168 Tooth- Int. Bal.Flywheel168 Tooth13.5 lbSFI 1.1Replaceable SurfaceAluminumNaturalInternal BalanceChevy V8EachFID198681- SKU:
- FID198681
- Availability:
- Ships Same Business Day
- Weight:
- 14.20 LBS
- MFG Part #:
- 198681
$482.99 -
Aluminum SFI Flywheel - SBF 164 Tooth- External 186511
FIDANZA ENGINEERING
$482.99Aluminum SFI Flywheel - SBF 164 Tooth- ExternalFlywheel164 Tooth13.0 lbSFI 1.1Replaceable SurfaceAluminumNaturalInternal / External BalanceSmall Block FordEachFID186511- SKU:
- FID186511
- Availability:
- Ships Same Business Day
- Weight:
- 15.77 LBS
- MFG Part #:
- 186511
$482.99 -
DMI 2Tuff Hollow 31 Spline Axle - 30.5in RRC-2300-30.5
DIVERSIFIED MACHINE
$229.992Tuff Hollow 31 Spline Axle - 30.5inAxle ShaftCT-130.5 in Long31 Spline Carrier24 Spline Drive FlangeGun DrilledSteelNaturalEachDMIRRC-2300-30.5- SKU:
- DMIRRC-2300-30.5
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MFG Part #:
- RRC-2300-30.5
$229.99 -
DMI CT1 Aluminum Spacer for Front Yoke RRC-1485
DIVERSIFIED MACHINE
$9.99CT1 Aluminum Spacer for Front YokePinion Yoke Spacer0.235 in ThickAluminumNaturalDMI Bulldog Rear EndsEachDMIRRC-1485- SKU:
- DMIRRC-1485
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- RRC-1485
$9.99 -
DMI CT1 Front Yoke RRC-1479
DIVERSIFIED MACHINE
$61.99CT1 Front Yoke Pinion YokeSteelDMI Quick ChangeEachDMIRRC-1479- SKU:
- DMIRRC-1479
- Availability:
- Ships Same Business Day
- Weight:
- 1.93 LBS
- MFG Part #:
- RRC-1479
$61.99 -
DMI CT1 Steel Lower Shaft Heavy Duty RRC-1427HD
DIVERSIFIED MACHINE
$259.99CT1 Steel Lower Shaft Heavy DutyLower ShaftHeavy Duty10/10 Spline19.69 in LongOpen DriveSteelDMI Bulldog CT-1 Rear EndsEachDMIRRC-1427HD- SKU:
- DMIRRC-1427HD
- Availability:
- Ships Same Business Day
- Weight:
- 5.28 LBS
- MFG Part #:
- RRC-1427HD
$259.99 -
DMI CT1 Steel Lower Shaft Ground Finish RRC-1427
DIVERSIFIED MACHINE
$191.99CT1 Steel Lower Shaft Ground FinishLower Shaft10/10 Spline19.69 in LongOpen DriveSteelDMI Bulldog CT-1 Rear EndsEachDMIRRC-1427- SKU:
- DMIRRC-1427
- Availability:
- Ships Same Business Day
- Weight:
- 5.27 LBS
- MFG Part #:
- RRC-1427
$191.99 -
DMI CT1 Lower Shaft Bearing RRC-1411
DIVERSIFIED MACHINE
$25.99CT1 Lower Shaft Bearing Lower Shaft BearingSteelCT-1Bulldog Quick ChangeEachDMIRRC-1411- SKU:
- DMIRRC-1411
- Availability:
- Ships Same Business Day
- Weight:
- 0.93 LBS
- MFG Part #:
- RRC-1411
$25.99 -
DMI Gear Cover Bearing Retainer RRC-1390
DIVERSIFIED MACHINE
$11.99Gear Cover Bearing RetainerBearing RetainerAluminumNaturalDMI Bulldog Rear EndsEachDMIRRC-1390- SKU:
- DMIRRC-1390
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- RRC-1390
$11.99 -
DMI Billet Alum Rear Cover w/Bearings Black RRC-1386B
DIVERSIFIED MACHINE
$377.99Billet Alum Rear Cover w/Bearings BlackGear Cover6-BoltBall BearingsBillet AluminumBlack AnodizedDMI Bulldog Quick ChangeKitDMIRRC-1386B- SKU:
- DMIRRC-1386B
- Availability:
- Ships Same Business Day
- Weight:
- 3.83 LBS
- MFG Part #:
- RRC-1386B
$377.99 -
DMI Posi-Lock Retainer RRC-1366
DIVERSIFIED MACHINE
$42.99Posi-Lock Retainer Pinion Posi-Lock RetainerAluminumDMI CT-1 Bulldog Rear EndsEachDMIRRC-1366- SKU:
- DMIRRC-1366
- Availability:
- Ships Same Business Day
- Weight:
- 0.09 LBS
- MFG Part #:
- RRC-1366
$42.99 -
DMI Bearing for Rear Cover RRC-1350
DIVERSIFIED MACHINE
$35.99Bearing for Rear Cover Gear Cover BearingBall BearingSteelDMI Quick ChangeEachDMIRRC-1350- SKU:
- DMIRRC-1350
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- RRC-1350
$35.99 -
DMI 2-Bolt Locking Tab RRC-1330
DIVERSIFIED MACHINE
$6.292-Bolt Locking Tab Lock TabSteelNaturalPinion Retainer Plate BoltsDMI Bulldog Rear EndsEachDMIRRC-1330- SKU:
- DMIRRC-1330
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- RRC-1330
$6.29