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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Chromoly Flexplate - SFI SBC 168T - Int. Balance 1835001
PRW INDUSTRIES, INC.
$90.77Chromoly Flexplate - SFI SBC 168T - Int. BalanceFlexplateGold Series168 ToothSFI 29.1ChromolyInternal Balance2 Piece SealSmall Block Chevy / V6EachPQX1835001- SKU:
- PQX1835001
- Availability:
- Ships Same Business Day
- Weight:
- 7.19 LBS
- MFG Part #:
- 1835001
$90.77 -
PEM 9in Floater Bare Housing 60in Centered 2.5in GN HN300300
PEM
$579.999in Floater Bare Housing 60in Centered 2.5in GNRear Axle AssemblyFord 9 in Floater60 in WideCenteredCenter Section OnlySteelNaturalEachPEMHN300300- SKU:
- PEMHN300300
- Availability:
- Ships Same Business Day
- Weight:
- 53.50 LBS
- MFG Part #:
- HN300300
$579.99 -
Brinn Steel Drive Flange 73018
BRINN TRANSMISSION
$86.99Steel Drive Flange Crankshaft Coupler10 SplineSteelNaturalBrinn Transmissions2 Piece SealChevy V8EachBRI73018- SKU:
- BRI73018
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MFG Part #:
- 73018
$86.99Qty in Cart: 0Quantity:Price:$86.99Subtotal: -
Brinn Transmission Predator Series Aluminum 70600
BRINN TRANSMISSION
$2,904.99Transmission Predator Series AluminumTransmissionPredatorManual2-Forward SpeedsReverseInternal Hydraulic Clutch10 Input SplineAluminum CaseKitBRI70600- SKU:
- BRI70600
- Availability:
- Ships Same Business Day
- Weight:
- 52.50 LBS
- MFG Part #:
- 70600
$2,904.99 -
Brinn Rebuild Kit Pro 2.0 70047
BRINN TRANSMISSION
$426.99Rebuild Kit Pro 2.0 Transmission Rebuild KitBasicClutch DiscsBearings / Bushings / SealsBrinn Pro 2.0 TransmissionsKitBRI70047- SKU:
- BRI70047
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MFG Part #:
- 70047
$426.99 -
Brinn Aluminum Transmission 70001
BRINN TRANSMISSION
$2,457.99Aluminum Transmission Transmission Original Manual 2-Forward Speeds Reverse Internal Hydraulic Clutch 10 Input Spline Aluminum Case Kit IMCA Approved for Stock Car, Modified, and Late Model classes Eliminates clutch assembly and throw-out bearing...BRI70001- SKU:
- BRI70001
- Availability:
- Ships Same Business Day
- Weight:
- 57.70 LBS
- MFG Part #:
- 70001
- Transmission Speeds:
- 2-Speed
- Input Shaft Spline Count:
- 10
- Output Shaft Spline Count:
- 27
- Bellhousing Included:
- No
- Yoke Included:
- No
- Shifter Included:
- No
- Case Material:
- Aluminum
- Gear Ratio (Low):
- 1.88:1
- Gear Ratio (Reverse):
- 2.29:1
- Notes:
- 1-3/8"-10 spline input shaft. 1-3/16"-27 spline output shaft.
$2,457.99 -
Bert Drive Flange Steel Chevy 7
BERT TRANSMISSIONS
$124.99Drive Flange Steel Chevy Crankshaft Coupler10 SplineSteelBert TransmissionsChevy V8EachBER7- SKU:
- BER7
- Availability:
- Ships Same Business Day
- Weight:
- 1.69 LBS
- MFG Part #:
- 7
$124.99 -
Bert Steel Hub HTD 371-H
BERT TRANSMISSIONS
$136.99Steel Hub HTD Crankshaft Coupler10 SplineHTD PulleySteelBert TransmissionsChevy V8EachBER371-H- SKU:
- BER371-H
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
- MFG Part #:
- 371-H
$136.99Qty in Cart: 0Quantity:Price:$136.99Subtotal: -
Bert New Style Flywheel Steel HTD 370-S-H-BOD-Kit
BERT TRANSMISSIONS
$214.99New Style Flywheel Steel HTDFlywheelHigh Strength2 PieceHTD PulleySteelBert TransmissionInternal BalanceChevy V8KitBER370-S-H- SKU:
- BER370-S-H
- Availability:
- Ships Same Business Day
- Weight:
- 3.33 LBS
- MFG Part #:
- 370-S-H-BOD-Kit
$214.99Qty in Cart: 0Quantity:Price:$214.99Subtotal: -
Bert Flywheel Shim 324
BERT TRANSMISSIONS
$1.99Flywheel Shim Flywheel Shim0.038 in ThickAluminumNaturalSmall Block Chevy / V6EachBER324- SKU:
- BER324
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 324
$1.99 -
Bert Aluminum Transmission w/Z (Dog Teeth) LMZ
BERT TRANSMISSIONS
$2,279.99Aluminum Transmission w/Z (Dog Teeth)TransmissionLate ModelManual2-Forward SpeedsReverseInternal Hydraulic Clutch10 Input SplineAluminum CaseKitBER200- SKU:
- BER200
- Availability:
- Ships Same Business Day
- Weight:
- 50.00 LBS
- MFG Part #:
- LMZ
$2,279.99 -
Allstar Performance Slip Yoke 8in ALL69046
ALLSTAR PERFORMANCE
$86.99Slip Yoke 8in Slip Yoke27 Spline8 in LongSteelNatural700R4 / TH350 / Bert / Brinn / Muncie / SaginawEachALL69046- SKU:
- ALL69046
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- MFG Part #:
- ALL69046
$86.99 -
Allstar Performance U-Joint 1350 Series ALL69032
ALLSTAR PERFORMANCE
$19.99U-Joint 1350 Series Universal Joint1350 Series3-5/8 in Across1-3/16 in CapClips IncludedSteelNaturalEachALL69032- SKU:
- ALL69032
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MFG Part #:
- ALL69032
$19.99 -
Allstar Performance U-Joint 1330 Series ALL69031
ALLSTAR PERFORMANCE
$18.99U-Joint 1330 Series Universal Joint1330 Series3-5/8 in Across1-1/16 in CapClips IncludedSteelNaturalEachALL69031- SKU:
- ALL69031
- Availability:
- Ships Same Business Day
- Weight:
- 1.32 LBS
- MFG Part #:
- ALL69031
$18.99 -
Allstar Performance U-Joint 1310 Series ALL69030
ALLSTAR PERFORMANCE
$16.99U-Joint 1310 Series Universal Joint1310 Series3-1/4 in Across1-1/16 in CapClips IncludedSteelNaturalEachALL69030- SKU:
- ALL69030
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
- MFG Part #:
- ALL69030
$16.99 -
Allstar Performance Driveshaft Loop 1/4in Flat Steel ALL69000
ALLSTAR PERFORMANCE
$39.99Driveshaft Loop 1/4in Flat SteelDrive Shaft LoopBolt-OnAdjustable1/4 in Thick2 in WideSteelBlack PaintUniversalEachALL69000- SKU:
- ALL69000
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
- MFG Part #:
- ALL69000
$39.99 -
Allstar Performance Bearing Kit Ford 9 3.062 Bearing ALL68512
ALLSTAR PERFORMANCE
$110.99Bearing Kit Ford 9 3.062 BearingDifferential Installation KitBearings / Crush Sleeve / Gaskets / Hardware / Seals / Shims / Thread LockerFord 9 inKitALL68512- SKU:
- ALL68512
- Availability:
- Ships Same Business Day
- Weight:
- 5.18 LBS
- MFG Part #:
- ALL68512
$110.99 -
Allstar Performance Bearing Kit Ford 9 2.893 Bearing ALL68511
ALLSTAR PERFORMANCE
$109.99Bearing Kit Ford 9 2.893 BearingDifferential Installation KitBearings / Crush Sleeve / Gaskets / Hardware / Seals / Shims / Thread LockerFord 9 inKitALL68511- SKU:
- ALL68511
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
- MFG Part #:
- ALL68511
$109.99 -
Allstar Performance Spool 9in Ford 31 Spline ALL68064
ALLSTAR PERFORMANCE
$159.99Spool 9in Ford 31 Spline SpoolFullsize31 SplineSteelFord 9 inEachALL68064- SKU:
- ALL68064
- Availability:
- Ships Same Business Day
- Weight:
- 9.25 LBS
- MFG Part #:
- ALL68064
$159.99 -
Allstar Performance Axle 31 Spl 32.5 Solid ALL66326
ALLSTAR PERFORMANCE
$145.99Axle 31 Spl 32.5 Solid Axle Shaft32-1/2 in Long31 Spline Carrier24 Spline Drive FlangeSteelNaturalEachUpgrade your car project with Allstar Performance's reliable 31-spline solid axles. Crafted from top-notch steel, these axles are not only affordable...ALL66326- SKU:
- ALL66326
- Availability:
- Ships Same Business Day
- Weight:
- 10.89 LBS
- MFG Part #:
- ALL66326
$145.99