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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PST Alum Driveshaft 39in Long 100390
PRECISION SHAFT TECHNOLOGIES
$460.99Drive Shaft39 in Long3 in OD1310 U-JointsAluminumNaturalUniversalEachPST100390- SKU:
- PST100390
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
- MFG Part #:
- 100390
$460.99 -
PST Alum Driveshaft 38.5in Long 100385
PRECISION SHAFT TECHNOLOGIES
$460.99Drive Shaft38-1/2 in Long3 in OD1310 U-JointsAluminumNaturalUniversalEachPST100385- SKU:
- PST100385
- Availability:
- Ships Same Business Day
- Weight:
- 9.45 LBS
- MFG Part #:
- 100385
$460.99 -
PST Alum Driveshaft 38in Long 100380
PRECISION SHAFT TECHNOLOGIES
$460.99Drive Shaft38 in Long3 in OD1310 U-JointsAluminumNaturalUniversalEachPST100380- SKU:
- PST100380
- Availability:
- Ships Same Business Day
- Weight:
- 10.25 LBS
- MFG Part #:
- 100380
$460.99 -
PST Alum Driveshaft 37.5in Long 100375
PRECISION SHAFT TECHNOLOGIES
$460.99Drive Shaft37-1/2 in Long3 in OD1310 U-JointsAluminumNaturalUniversalEachPST100375- SKU:
- PST100375
- Availability:
- Ships Same Business Day
- Weight:
- 8.80 LBS
- MFG Part #:
- 100375
$460.99 -
PST Alum Driveshaft 37in Long 100370
PRECISION SHAFT TECHNOLOGIES
$460.99Drive Shaft37 in Long3 in OD1310 U-JointsAluminumNaturalUniversalEachPST100370- SKU:
- PST100370
- Availability:
- Ships Same Business Day
- Weight:
- 9.30 LBS
- MFG Part #:
- 100370
$460.99 -
PST U-Joint 1310 Series 100010
PRECISION SHAFT TECHNOLOGIES
$24.99Universal Joint1310 Series3-1/4 in Across1-1/16 in CapSteelNaturalEachPST100010- SKU:
- PST100010
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MFG Part #:
- 100010
$24.99 -
PST Trans Yoke 32 Spline 1310 Series 5.5in 100004
PRECISION SHAFT TECHNOLOGIES
$78.99Slip Yoke32 Spline5.500 in LongSteelNatural1310 U-JointSuper T10 / TH400 / 4L80EEachPST100004- SKU:
- PST100004
- Availability:
- Ships Same Business Day
- Weight:
- 2.99 LBS
- MFG Part #:
- 100004
$78.99 -
PST 8.0in 1310 Yoke 100003
PRECISION SHAFT TECHNOLOGIES
$78.99Slip Yoke27 Spline7.500 in LongSteelNatural1310 U-JointMuncie / Powerglide / Super T10 / TH350 / T56 / 4L60EEachPST100003- SKU:
- PST100003
- Availability:
- Ships Same Business Day
- Weight:
- 2.71 LBS
- MFG Part #:
- 100003
$78.99Qty in Cart: 0Quantity:Price:$78.99Subtotal: -
PST Slip Yoke 5.5in 27 Spline 100001
PRECISION SHAFT TECHNOLOGIES
$51.99Slip Yoke27 Spline5.500 in LongSteelNatural1310 U-JointMuncie / Powerglide / Super T10 / TH350 / T56 / 4L60EEachPST100001- SKU:
- PST100001
- Availability:
- Ships Same Business Day
- Weight:
- 2.11 LBS
- MFG Part #:
- 100001
$51.99 -
Chromoly Flexplate - SFI SBC 168T - Ext. Balance 1840000
PRW INDUSTRIES, INC.
$100.18Chromoly Flexplate - SFI SBC 168T - Ext. BalanceFlexplateGold Series168 ToothSFI 29.1ChromolyExternal Balance2 Piece SealSmall Block ChevyEachPQX1840000- SKU:
- PQX1840000
- Availability:
- Ships Same Business Day
- Weight:
- 7.39 LBS
- MFG Part #:
- 1840000
$100.18 -
PEM 9in Floater w/ Steel 5x5 Hubs 62in Centered PEMHNK3103105
PEM
$1,156.999in Floater w/ Steel 5x5 Hubs 62in Centered Rear Axle Housing Ford 9 in Floater 62 in Wide Centered 5 x 5 in Hub 0.810 in Thick Rotors Steel Hub Steel Natural Kit These fully assembled Ford floater housings, featuring newly stamped centers, are made...PEMHNK3103105- SKU:
- PEMHNK3103105
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- HNK3103105
$1,156.99 -
PEM 9in Rear End Floater w/ Steel 5x4-3/4 Hubs 62in Centered PEMHNK3103104
PEM
$1,132.999in Floater w/ Steel 5x 4-3/4 Hubs 62in Centered Rear Axle Housing Ford 9 in Floater 62 in Wide Centered 5 x 4.75 in Hub 0.810 in Thick Rotors Steel Hub Steel Natural Kit These fully assembled Ford floater housings, featuring newly stamped centers, are...PEMHNK3103104- SKU:
- PEMHNK3103104
- Availability:
- Ships Same Business Day
- Weight:
- 41.00 LBS
- MFG Part #:
- HNK3103104
$1,132.99Qty in Cart: 0Quantity:Price:$1,132.99Subtotal: -
PEM 9in Floater w/ Steel 5x5 Hubs 60in Centered PEMHNK3003005
PEM
$1,186.439in Floater w/ Steel 5x5 Hubs 60in Centered Rear Axle Housing Ford 9 in Floater 60 in Wide Centered 5 x 5 in Hub 0.810 in Thick Rotors Solid Axles Steel Natural Kit These fully assembled Ford 9" floater housings, featuring newly stamped centers, are...PEMHNK3003005- SKU:
- PEMHNK3003005
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- HNK3003005
$1,186.43 -
PEM Drive Flange Kit 5x5 w/ Cap GNDFK5X5
PEM
$93.99Drive Flange Kit 5x5 w/ CapDrive Flange5 x 5 in Wheel Bolt Pattern24 Spline3/4 in Bolt-On Cap / Hardware / O-Ring2-1/2 in Grand National HubsKitPEMGNDFK5X5- SKU:
- PEMGNDFK5X5
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MFG Part #:
- GNDFK5X5
$93.99 -
PEM Drive Flange Kit 5x4-3/4 w/ Cap GNDFK5X43/4
PEM
$99.99Drive Flange Kit 5x4-3/4 w/ CapDrive Flange5 x 4.75 in Wheel Bolt Pattern24 Spline3/4 in Bolt-On Cap / Hardware / O-Ring2-1/2 in Grand National HubsKitPEMGNDFK5X43/4- SKU:
- PEMGNDFK5X43/4
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MFG Part #:
- GNDFK5X43/4
$99.99 -
PEM 9in Gear Full Spool 5.67 Ratio New Center Section CSFS56731
PEM
$798.999in Gear Full Spool 5.67 Ratio New Center SectionDifferential CaseAssembled5.67 Ratio31 SplineSteel SpoolNaturalFord 9 inEachPEMCSFS56731- SKU:
- PEMCSFS56731
- Availability:
- Ships Same Business Day
- Weight:
- 42.00 LBS
- MFG Part #:
- CSFS56731
$798.99 -
PEM 9in Gear Full Spool 5.43 Ratio New Center Section CSFS54331
PEM
$723.999in Gear Full Spool 5.43 Ratio New Center SectionDifferential CaseAssembled5.43 Ratio31 SplineSteel SpoolNaturalFord 9 inEachPEMCSFS54331- SKU:
- PEMCSFS54331
- Availability:
- Ships Same Business Day
- Weight:
- 42.00 LBS
- MFG Part #:
- CSFS54331
$723.99 -
PEM 9in Gear Full Spool 5.29 Ratio New Center Section CSFS52931
PEM
$798.999in Gear Full Spool 5.29 Ratio New Center SectionDifferential CaseAssembled5.29 Ratio31 SplineSteel SpoolNaturalFord 9 inEachPEMCSFS52931- SKU:
- PEMCSFS52931
- Availability:
- Ships Same Business Day
- Weight:
- 41.00 LBS
- MFG Part #:
- CSFS52931
$798.99 -
PEM 9in Gear Full Spool 5.14 Ratio New Center Section CSFS51431
PEM
$723.999in Gear Full Spool 5.14 Ratio New Center SectionDifferential CaseAssembled5.14 Ratio31 SplineSteel SpoolNaturalFord 9 inEachPEMCSFS51431- SKU:
- PEMCSFS51431
- Availability:
- Ships Same Business Day
- Weight:
- 42.00 LBS
- MFG Part #:
- CSFS51431
$723.99 -
PEM Premium Quick Change Gears 65050
PEM
$153.99Premium Quick Change GearsQuick Change Gear SetPremiumSet 50Q10 Spline4.11 Ratio 7.19 / 2.354.86 Ratio 8.50 / 2.78SteelEachPEM65050- SKU:
- PEM65050
- Availability:
- Ships Same Business Day
- Weight:
- 5.75 LBS
- MFG Part #:
- 65050
$153.99Qty in Cart: 0Quantity:Price:$153.99Subtotal: