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 Quick Change Assembly Max 4.86 5x5 Hubs Axles QCKSTGN5-486MAX-2OFF
PEM
$3,044.99If you're serious about drag racing or high-performance circle track competition, a quality quick-change assembly is non-negotiable—it lets you swap gear ratios between rounds without breaking down...PEMQCKSTGN5-486MAX-2OFF- SKU:
- PEMQCKSTGN5-486MAX-2OFF
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$3,044.99Qty in Cart: 0Quantity:Price:$3,044.99Subtotal: -
PEM Quick Change Assembly 4.86 5x5 Hubs Axles QCKSTGN5-486-2OFF
PEM
$2,439.99Quick-change rear ends cut your setup time dramatically when you're swapping gear ratios between track sessions or racing different classes. The PEM 4.86 assembly with 5x5 hubs gives you the strength...PEMQCKSTGN5-486-2OFF- SKU:
- PEMQCKSTGN5-486-2OFF
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$2,439.99 -
PEM Full Spool 8.5in 30 Spline 10 Bolt GM FS8530
PEM
$160.99A full spool locks your differential for maximum traction during acceleration, eliminating wheel slip and delivering consistent power to both rear wheels—essential for drag racing, circle track, and...PEMFS8530- SKU:
- PEMFS8530
- Availability:
- Ships Same Business Day
- Weight:
- 10.65 LBS
$160.99Qty in Cart: 0Quantity:Price:$160.99Subtotal: -
PEM 9in Gear Full Spool 6.00 Ratio New Center Section CSFS60031
PEM
$768.99A full spool eliminates wheel slip during hard acceleration by locking both rear wheels together, delivering straight-line power to the pavement without torque-induced breakaway. If you're serious...PEMCSFS60031- SKU:
- PEMCSFS60031
- Availability:
- Ships Same Business Day
- Weight:
- 40.00 LBS
$768.99 -
PEM Premium Quick Change Gears (18/32) 65052
PEM
$156.99Quick-change gear sets eliminate downtime between races by letting you swap ratios in minutes rather than hours. The PEM Premium 18/32 delivers precision-machined durability across multiple gear...PEM65052- SKU:
- PEM65052
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
$156.99 -
PEM Premium Quick Change Gears (23/27) 65008A
PEM
$156.99Quick-change gear sets eliminate the need for complete rear-end teardowns between races, keeping your car competitive across multiple track configurations and conditions. The PEM 23/27 system...PEM65008A- SKU:
- PEM65008A
- Availability:
- Ships Same Business Day
- Weight:
- 5.10 LBS
$156.99 -
PEM Premium Quick Change Gears 65001A
PEM
$156.99Quick-change gears let you optimize your final drive ratio between rounds without breaking down your entire rear end—critical when track conditions or racing classes demand different gearing. The PEM...PEM65001A- SKU:
- PEM65001A
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$156.99Qty in Cart: 0Quantity:Price:$156.99Subtotal: -
Fast Shafts Drive Shaft Carbon Fiber 2.25in Dia 37in Long 2CF-10x1037
FAST SHAFTS
$739.99A lighter, stiffer drive shaft directly translates to quicker acceleration, reduced parasitic loss, and improved handling response—especially critical in high-horsepower applications where rotational...FSH2CF-10X1037- SKU:
- FSH2CF-10X1037
- Availability:
- Ships Same Business Day
- Weight:
- 7.25 LBS
$739.99 -
Dana Spicer Universal Joint 1330/SPL 25 Series OSR 1.062 Cap 5-1330X
DANA - SPICER
$21.99A quality universal joint is the backbone of reliable driveline performance, and the Dana Spicer 1330/SPL 25 Series delivers the durability you need for consistent power transfer. Whether you're...DAN5-1330X- SKU:
- DAN5-1330X
- Availability:
- Ships Same Business Day
- Weight:
- 1.35 LBS
$21.99Qty in Cart: 0Quantity:Price:$21.99Subtotal: -
Dana Spicer Universal Joint 1330/SPL 25 Series OSR 1.062 Cap 5-1330-1X
DANA - SPICER
$32.99A quality universal joint is the backbone of reliable driveline performance, and the Dana Spicer 1330/SPL 25 Series delivers the durability you need for both street and track applications. This...DAN5-1330-1X- SKU:
- DAN5-1330-1X
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
$32.99 -
Dana Spicer Transmission Slip Yoke 1310 Series 2-3-6081X
DANA - SPICER
$77.99A quality transmission slip yoke is essential for smooth driveline operation and protecting your transmission from impact loads during hard acceleration or gear changes. The Dana Spicer 1310 Series...DAN2-3-6081X- SKU:
- DAN2-3-6081X
- Availability:
- Ships Same Business Day
- Weight:
- 1.99 LBS
$77.99 -
Dana Spicer Transmission Slip Yoke 1330 Series 2-3-6041X
DANA - SPICER
$85.99A worn or damaged slip yoke compromises driveline integrity and creates vibration issues that degrade performance and accelerate component wear. The Dana Spicer 1330 Series is engineered for reliable...DAN2-3-6041X- SKU:
- DAN2-3-6041X
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$85.99 -
Dana Spicer Transmission Slip Yoke 1310 Series 2-3-10431X
DANA - SPICER
$103.99A quality slip yoke is critical for smooth power delivery and vibration control in any driveline running a 1310-series u-joint configuration. This Dana Spicer unit provides the precision engineering...DAN2-3-10431X- SKU:
- DAN2-3-10431X
- Availability:
- Ships Same Business Day
- Weight:
- 2.53 LBS
$103.99 -
Coleman Q/C Gear Pro-Lite Set 207-43
COLEMAN MACHINE
$175.99Quick-change gear sets eliminate downtime between races by allowing you to swap ratios in minutes rather than hours, keeping you competitive across different track conditions and engine...COL207-43- SKU:
- COL207-43
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
$175.99 -
Coleman Q/C Gear Pro-Lite Set 207-28
COLEMAN MACHINE
$166.99Quick-change gear sets are essential for racers who need to optimize their final drive ratio between rounds or track sessions without pulling the entire rear end. The Coleman Q/C Gear Pro-Lite Set...COL207-28- SKU:
- COL207-28
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
$166.99Qty in Cart: 0Quantity:Price:$166.99Subtotal: -
Coleman Q/C Gear Pro-Lite Set 207-26
COLEMAN MACHINE
$175.99The Coleman Q/C Gear Pro-Lite Set 207-26 lets you optimize your differential ratios for specific track conditions without swapping entire assemblies—saving critical time between rounds. With dual...COL207-26- SKU:
- COL207-26
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$175.99 -
Coleman Q/C Gear Pro-Lite Set 207-21C
COLEMAN MACHINE
$175.99Quick-change gear sets eliminate the downtime between races by letting you swap ratios in minutes instead of hours—critical when track conditions demand different gearing strategies. The Coleman...COL207-21C- SKU:
- COL207-21C
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
$175.99Qty in Cart: 0Quantity:Price:$175.99Subtotal: -
On Sale
Brinn Output Shaft Predator Transmission 74602
BRINN TRANSMISSION
MSRP: $492.99Now: $418.29Was: $492.99The output shaft is the critical link between your transmission and drivetrain, and any compromise in quality directly impacts power delivery and reliability under load. Brinn's Predator Transmission...BRI74602- SKU:
- BRI74602
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
MSRP: $492.99Now: $418.29Was: $492.99Qty in Cart: 0Quantity:Price:MSRP: $492.99Now: $418.29Was: $492.99Subtotal: -
Brinn Shift Pattern Plate 70631
BRINN TRANSMISSION
$28.99Precision shift control is non-negotiable in circle track racing, and this Brinn shift pattern plate delivers the gatekeeping accuracy your transmission demands. A properly matched shifter gate plate...BRI70631- SKU:
- BRI70631
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$28.99 -
Bert Dirt Modified Aluminum Transmission (GEN 2) with Shifter 78-SG SG-1200(78-SG)
BERT TRANSMISSIONS
$2,724.99Weight is everything in dirt modified racing, and this second-generation Bert transmission delivers a decisive advantage. At just 32.2 pounds with 50% less rotating mass than the original MOZ unit,...BERSG1200- SKU:
- BERSG1200
- Availability:
- Ships Same Business Day
- Weight:
- 45.00 LBS
$2,724.99
