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!
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- Qty in Cart
- Quantity
- Price
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Gear Idler Gear JER-0024
JERICO
$140.99The reverse idler gear is a critical component in your Jerico dirt transmission that directly impacts shift quality and drivetrain reliability under load. A worn or damaged idler gear compromises reverse engagement and can introduce unwanted play in your...JER0024- SKU:
- JER0024
- Availability:
- Ships Same Business Day
- Weight:
- 1.36 LBS
$140.99 -
Shaft Cluster JER-0014
JERICO
$75.99A Jerico transmission demands precision components built to handle extreme loads and rapid gear transitions. The Shaft Cluster JER-0014 counter shaft is engineered from quality steel to deliver the reliability you need in high-performance shifting...JER0014- SKU:
- JER0014
- Availability:
- Ships Same Business Day
- Weight:
- 1.55 LBS
$75.99 -
Spacer .030in 13
JERICO
$3.89Proper thrust bearing preload is critical to transmission longevity and shift consistency in high-performance dirt racing applications. This precision-machined spacer maintains exact clearance tolerances in your Jerico transmission, preventing bearing...JER0013- SKU:
- JER0013
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$3.89Qty in Cart: 0Quantity:Price:$3.89Subtotal: -
Washer Thrust JER-0009
JERICO
$7.99Proper thrust management is critical to maintaining gear engagement and extending transmission life in high-stress racing applications. This OEM-specification thrust washer ensures precise axial clearance in your Jerico dirt transmission, preventing...JER0009- SKU:
- JER0009
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
$7.99Qty in Cart: 0Quantity:Price:$7.99Subtotal: -
Clutch Pack Hub JER-0005
JERICO
$150.99The Clutch Pack Hub JER-0005 is engineered for dirt transmission applications where reliable engagement and durability are non-negotiable. This forward-mounted steel hub ensures consistent power delivery under demanding racing conditions, reducing...JER0005- SKU:
- JER0005
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
$150.99 -
Case Dirt Transmission JER-0001
JERICO
$440.99If you're running a Jerico dirt transmission, you need a case engineered to withstand the extreme forces of off-road racing. This aluminum case is precision-constructed to handle the demands of high-torque applications while maintaining the durability...JER0001- SKU:
- JER0001
- Availability:
- Ships Same Business Day
- Weight:
- 8.30 LBS
$440.99Qty in Cart: 0Quantity:Price:$440.99Subtotal: -
Shifter Stick- Chrome OEM Round Bar Design 5387438
HURST
$141.95A worn or damaged shifter stick compromises your shift accuracy and control—critical factors whether you're on the track or the street. This OEM-spec chrome round bar design delivers the precise engagement and reliable durability that Hurst manual...HUR538-7438- SKU:
- HUR538-7438
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
$141.95 -
Shifter Stick Competiton Plus 6.38in Tall 5387201
HURST
$77.55If you're running a manual transmission, shift quality directly impacts your lap times and driver fatigue—especially in competition. The Hurst Competition Plus Shifter Stick delivers the precision engagement and durability you need for consistent, quick...HUR538-7201- SKU:
- HUR538-7201
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
$77.55 -
Fast Shafts Slip Yoke 9in 1310 XLT9
FAST SHAFTS
$178.99A quality slip yoke is critical for maintaining driveline integrity under load and acceleration. The Fast Shafts XLT9 delivers reliable performance with proven 27-spline engagement, ensuring consistent power transfer without slippage. Whether you're...FSHXLT9- SKU:
- FSHXLT9
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
$178.99 -
Fast Shafts Driveshaft Carbon Fiber 34.5in Long 2-1/4in Dia 2CF-10X10-34.5
FAST SHAFTS
$647.99A quality driveshaft is fundamental to reliable power delivery and vehicle stability, especially under high-load racing conditions. Carbon fiber construction drastically reduces rotational mass compared to steel alternatives, translating to quicker...FSH2CF-10X10-34.5- SKU:
- FSH2CF-10X10-34.5
- Availability:
- Ships Same Business Day
- Weight:
- 8.00 LBS
$647.99 -
Fast Shafts Driveshaft Carbon Fiber 32in Steel Ends 2-1/4 2CF-10X10-32-STL
FAST SHAFTS
$770.99A 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 the strength needed for consistent acceleration and...FSH2CF-10X10-32-STL- SKU:
- FSH2CF-10X10-32-STL
- Availability:
- Ships Same Business Day
- Weight:
- 7.50 LBS
$770.99 -
Fast Shafts Driveshaft Carbon Fiber 31.5in Steel Ends 2-1/4 2CF-10X10-315-STL
FAST SHAFTS
$770.99A 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 carbon fiber driveshaft delivers the strength-to-weight...FSH2CF-10X10-315-STL- SKU:
- FSH2CF-10X10-315-STL
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
$770.99 -
DMI CT-1 Spool Shim Kit Large O.D. RRC-1286
DIVERSIFIED MACHINE
$49.99Spool differentials demand precision-engineered components to maintain lock consistency and eliminate slippage under load. The DMI CT-1 Spool Shim Kit delivers the exact tolerances your differential requires, ensuring repeatable performance whether...DMIRRC-1286- SKU:
- DMIRRC-1286
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
$49.99 -
Brinn Output Drive Dog 74604
BRINN TRANSMISSION
$282.99If you're running a Brinn transmission in your race car or high-performance build, the output drive dog is a critical component that directly affects power transfer and drivetrain reliability. A worn or damaged dog can lead to slippage, gear jumping, and...BRI74604- SKU:
- BRI74604
- Availability:
- Ships Same Business Day
- Weight:
- 1.93 LBS
$282.99 -
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 housing that handles sustained racing loads while...BERSG-1400-05- SKU:
- BERSG-1400-05
- Availability:
- Ships Same Business Day
- Weight:
- 7.10 LBS
$784.99 -
Bert Cage Needle Bearing 20 x 24 x 17 SG-1057
BERT TRANSMISSIONS
$19.99Bert transmissions demand precision components that can handle extreme radial loads without compromise. This caged needle bearing maintains tight tolerances and consistent performance through repeated shifts and high-RPM operation, ensuring your...BERSG-1057- SKU:
- BERSG-1057
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$19.99 -
Bert Flywheel New Chevy HTD 320-NC
BERT TRANSMISSIONS
$224.99A quality flywheel is foundational to any serious Small Block Chevy build—it directly impacts engine feel, transmission engagement, and overall driveline reliability. The Bert 320-NC delivers a one-piece steel design with integrated HTD pulley support,...BER320-NC- SKU:
- BER320-NC
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
$224.99 -
Bert Flywheel SBC 400 Ext Balance Gilmer 318-400
BERT TRANSMISSIONS
$299.99A quality flywheel is fundamental to engine reliability and driveline efficiency, especially in forced-induction or high-RPM small-block applications. The Bert Flywheel SBC 400 delivers the precision engineering and robust construction needed to handle...BER318-400- SKU:
- BER318-400
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
$299.99Qty in Cart: 0Quantity:Price:$299.99Subtotal: -
Bert Bell Housing Plate 307
BERT TRANSMISSIONS
$42.99If you're running a Bert late-model bellhousing, this aluminum plate is essential for a secure, precision fit between your engine and transmission. Crafted from high-grade aluminum, it delivers the durability needed for consistent performance whether...BER307- SKU:
- BER307
- Availability:
- Ships Same Business Day
- Weight:
- 0.43 LBS
$42.99Qty in Cart: 0Quantity:Price:$42.99Subtotal: -
Bert Ford Bell Housing Mag 301-F-NFC-MAG
BERT TRANSMISSIONS
$1,099.99If you're running a Small Block Ford with a reverse-mount mag drive system, you need a bellhousing engineered specifically for this configuration. The Bert Ford Bell Housing Mag 301-F-NFC-MAG delivers the precision fitment and durability required for...BER301-F-NFC-MAG- SKU:
- BER301-F-NFC-MAG
- Availability:
- Ships Same Business Day
- Weight:
- 16.10 LBS
$1,099.99Qty in Cart: 0Quantity:Price:$1,099.99Subtotal:
