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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PEM New Stamped Floater Metric Housing 60in Cent HNMK3003005
PEM
$1,299.99A solid rear axle housing is the foundation of any high-performance drivetrain, and this PEM floater design delivers the structural integrity and load capacity serious racers demand. Whether you're...PEMHNMK3003005- SKU:
- PEMHNMK3003005
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$1,299.99 -
PEM 9in Gear Full Spool 6.50 Ratio New Center Section CSFS65031
PEM
$768.99A full spool locks both rear wheels together for maximum traction during hard acceleration and cornering, eliminating wheel spin and delivering consistent power to the track. The PEM 9-inch center...PEMCSFS65031- SKU:
- PEMCSFS65031
- Availability:
- Ships Same Business Day
- Weight:
- 40.00 LBS
$768.99 -
Ford 9 Inch Third Member Assembly, Full Spool, 31-Spline
J J MOTORSPORTS
$1,025.95If you're building a dedicated drag, circle track, or street strip machine, a full-spool third member delivers the straight-line performance your setup demands. The Ford 9-inch with a locked spool...234-9091- SKU:
- 234-9091
- Availability:
- 1-2 Week Lead Time for Build
- Weight:
- 50.00 LBS
$1,025.95 -
Quarter Master Bellhousing SBC Steel Block Mnt Starter 110432C
QUARTER MASTER
$713.57A quality bellhousing is the critical link between your engine and transmission—get this wrong, and you're looking at misalignment, vibration, and premature wear. The Quarter Master SBC Steel Block...QTR110432-C- SKU:
- QTR110432-C
- Availability:
- Ships Same Business Day
- Weight:
- 27.80 LBS
$713.57 -
QA1 Driveshaft Carbon 31.5in Modified w/o Yoke JJ-12214
QA1
$809.99A quality driveshaft is the backbone of reliable power delivery in any modified racing application. The QA1 Carbon 31.5" driveshaft eliminates vibration and flex that can compromise acceleration,...QA1JJ-12214- SKU:
- QA1JJ-12214
- Availability:
- Ships Same Business Day
- Weight:
- 5.70 LBS
$809.99Qty in Cart: 0Quantity:Price:$809.99Subtotal: -
QA1 Driveshaft Carbon 32in Modified w/Yoke JJ-12207
QA1
$899.99A quality driveshaft is non-negotiable for dirt modified racing—it's the direct link between your engine's power and track performance. QA1's carbon fiber construction delivers the rotational...QA1JJ-12207- SKU:
- QA1JJ-12207
- Availability:
- Ships Same Business Day
- Weight:
- 8.10 LBS
$899.99Qty in Cart: 0Quantity:Price:$899.99Subtotal: -
QA1 Driveshaft Carbon 29.5in Modified w/Yoke JJ-12202
QA1
$899.99A driveshaft failure mid-race costs you wins and money. The QA1 Carbon 29.5in Modified Driveshaft delivers the strength of chromoly with the weight savings that keep your Dirt Modified competitive,...QA1JJ-12202- SKU:
- QA1JJ-12202
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 LBS
$899.99Qty in Cart: 0Quantity:Price:$899.99Subtotal: -
QA1 Driveshaft Carbon 34.5in Crate LM w/o Yoke JJ-11246
QA1
$964.99A quality driveshaft is critical to transferring engine power to your wheels without vibration, flex, or failure—especially in the demanding environment of dirt late model racing. This QA1 carbon...QA1JJ-11246- SKU:
- QA1JJ-11246
- Availability:
- Ships Same Business Day
- Weight:
- 5.90 LBS
$964.99Qty in Cart: 0Quantity:Price:$964.99Subtotal: -
QA1 Driveshaft Carbon 39in Crate LM w/o Yoke JJ-11223
QA1
$964.95A quality driveshaft is fundamental to reliable power transfer in any dirt late model, and weight savings matter when you're chasing lap times. The QA1 Carbon 39in combines lightweight carbon...QA1JJ-11223- SKU:
- QA1JJ-11223
- Availability:
- Ships Same Business Day
- Weight:
- 6.10 LBS
$964.95 -
QA1 Driveshaft Carbon 37.5in Crate LM w/o Yoke JJ-11220
QA1
$964.95A quality driveshaft is fundamental to reliable power transfer in dirt late model racing, where vibration and drivetrain stress can quickly compromise performance. The QA1 Carbon 37.5in addresses the...QA1JJ-11220- SKU:
- QA1JJ-11220
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
$964.95Qty in Cart: 0Quantity:Price:$964.95Subtotal: -
PEM New Floater Housing Kit 61in Centered 5x5 HNK3053055
PEM
$1,231.99A quality floater housing is the foundation of any serious Ford 9-inch rear axle setup, and this PEM kit delivers the structural integrity and precision fitment your build demands. With a centered...PEMHNK3053055- SKU:
- PEMHNK3053055
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$1,231.99 -
PEM New Center Section FS 7.00 Ratio 31 Spline L/W CSFS70031LW
PEM
$876.99A 7.00 ratio center section transforms your Ford 9-inch differential into a precision tool for high-RPM acceleration and track performance. Whether you're building a dedicated drag setup or...PEMCSFS70031LW- SKU:
- PEMCSFS70031LW
- Availability:
- Ships Same Business Day
- Weight:
- 75.00 LBS
$876.99 -
PEM New Center Section FS 6.83 Ratio 31 Spline L/W CSFS68331LW
PEM
$876.99If you're building a dedicated drag or road-race Ford 9-inch, the PEM center section delivers the gear ratio and lockup characteristics you need for consistent power delivery off the line. This 6.83...PEMCSFS68331LW- SKU:
- PEMCSFS68331LW
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$876.99 -
PEM New Center Section FS 6.66 Ratio 31 Spline L/W CSFS66631LW
PEM
$876.99If you're building a high-rpm Ford 9-inch rear end that demands immediate power delivery without hesitation, the PEM New Center Section FS 6.66 Ratio is engineered to eliminate wheel spin and keep...PEMCSFS66631LW- SKU:
- PEMCSFS66631LW
- Availability:
- Ships Same Business Day
- Weight:
- 75.00 LBS
$876.99 -
PEM New Center Section FS LW 650 Ratio 31 Spline CSFS65031LW
PEM
$777.24A 6.50 ratio differential is essential for high-RPM acceleration and consistent power delivery on the track or strip. The PEM center section delivers the mechanical lock and durability required for...PEMCSFS65031LW- SKU:
- PEMCSFS65031LW
- Availability:
- Ships Same Business Day
- Weight:
- 75.00 LBS
$777.24 -
PEM New Center Section FS LW 583 Ratio 31 Spline CSFS58331LW
PEM
$777.24A locked differential is essential for serious drag racing and off-road performance, and the PEM New Center Section FS LW delivers uncompromising power transfer without the complexity of electronic...PEMCSFS58331LW- SKU:
- PEMCSFS58331LW
- Availability:
- Ships Same Business Day
- Weight:
- 75.00 LBS
$777.24 -
Fast Shafts Driveshaft Carbon Fiber 34.5in Long 2-1/4in Dia 2CF-10X10-34.5
FAST SHAFTS
$739.99A quality driveshaft is fundamental to reliable power delivery and vehicle stability, especially under high-load racing conditions. Carbon fiber construction drastically reduces rotational mass...FSH2CF-10X10-34.5- SKU:
- FSH2CF-10X10-34.5
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
$739.99 -
Fast Shafts Driveshaft Carbon Fiber 32in Steel Ends 2-1/4 2CF-10X10-32-STL
FAST SHAFTS
$793.99A quality driveshaft is fundamental to reliable power delivery and vibration control in any performance application. The Fast Shafts carbon fiber construction reduces rotating mass while maintaining...FSH2CF-10X10-32-STL- SKU:
- FSH2CF-10X10-32-STL
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
$793.99 -
Fast Shafts Driveshaft Carbon Fiber 31.5in Steel Ends 2-1/4 2CF-10X10-315-STL
FAST SHAFTS
$793.99A quality driveshaft is the backbone of any reliable drivetrain—it transmits engine power cleanly to the wheels while managing rotational forces that can destroy lesser components. This Fast Shafts...FSH2CF-10X10-315-STL- SKU:
- FSH2CF-10X10-315-STL
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
$793.99 -
Bert Tail Housing w/ Output Tube / Seal / Bushing SG-1400-05
BERT TRANSMISSIONS
$784.99A quality tail housing is critical to maintaining output shaft integrity and preventing fluid leakage in high-performance transmissions. The Bert SG-1400-05 delivers a precision-engineered aluminum...BERSG-1400-05- SKU:
- BERSG-1400-05
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
$784.99
