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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Aluminum Bell 6 Rib Left Side Bell 2202
TIGER QUICK CHANGE
$443.99A quality bell housing is essential for a reliable quick-change setup, and this aluminum design delivers the durability and precision fit your Tiger 10-inch quick-change system demands. The...TIG2202- SKU:
- TIG2202
- Availability:
- Ships Same Business Day
- Weight:
- 11.20 LBS
- MFG Part #:
- 2202
$443.99 -
Powerglide Input Shaft 749300
TCI
$255.95The Powerglide Input Shaft 749300 is essential for builders who demand reliability under extreme load and RPM conditions. Constructed from billet steel, this shaft delivers superior strength and...TCI749300- SKU:
- TCI749300
- Availability:
- Ships Same Business Day
- Weight:
- 2.02 LBS
- MFG Part #:
- 749300
$255.95 -
P/G Circlematic Trans. Reverse Pattern 742010
TCI
$2,795.95If you're running a Powerglide in a dedicated drag or circle track application, a manual valve body with reverse pattern control gives you the decisive gear management that automatic valving simply...TCI742010- SKU:
- TCI742010
- Availability:
- Ships Same Business Day
- Weight:
- 113.80 LBS
- MFG Part #:
- 742010
$2,795.95 -
Strange Oval Axle 31 Spline 34.0in 1.130in OD AGY11303400
STRANGE OVAL
$320.99Built for high-torque applications and extreme racing conditions, the Strange Oval Axle delivers the strength and precision you need to transfer power reliably without compromise. The 31-spline...SOTAGY11303400- SKU:
- SOTAGY11303400
- Availability:
- Ships Same Business Day
- Weight:
- 8.15 LBS
- MFG Part #:
- AGY11303400
$320.99 -
Strange Oval Axle 31 Spline 33.5in 1.115in OD AGY11153350
STRANGE OVAL
$320.99A precision axle shaft is fundamental to reliable power delivery and handling consistency in high-performance applications. The Strange Oval Axle delivers the durability and spline compatibility...SOTAGY11153350- SKU:
- SOTAGY11153350
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 LBS
- MFG Part #:
- AGY11153350
$320.99 -
Strange Oval Drive Flange Cambered Kit 5x5 Howe / PCR ADW530BT
STRANGE OVAL
$379.99Precision front-end geometry starts with a quality drive flange, and this Strange oval design delivers the adjustability serious racers demand. The cambered kit allows you to dial in your suspension...SOTADW530BT- SKU:
- SOTADW530BT
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- ADW530BT
$379.99 -
SCS Quick Change Gear Set 6 Spline 618
SCS GEARS
$178.99Quick-change gear sets are essential for racers who demand flexibility across multiple track conditions without the downtime of traditional differential rebuilds. The SCS 618 delivers...SCS618- SKU:
- SCS618
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- MFG Part #:
- 618
$178.99 -
SCS Quick Change Gear Set 35
SCS GEARS
$204.99Quick-change gear sets are essential for racers who demand flexibility between different track conditions and racing formats without rebuilding your entire differential. The SCS Set 35 delivers...SCS35- SKU:
- SCS35
- Availability:
- Ships Same Business Day
- Weight:
- 5.17 LBS
- MFG Part #:
- 35
$204.99 -
SCS Quick Change Gear Set 34
SCS GEARS
$204.99If you're serious about extracting consistent, repeatable performance across different track conditions and race formats, the SCS Quick Change Gear Set 34 eliminates the downtime and guesswork of...SCS34- SKU:
- SCS34
- Availability:
- Ships Same Business Day
- Weight:
- 5.06 LBS
- MFG Part #:
- 34
$204.99 -
SCS Quick Change Gear Set 27
SCS GEARS
$204.99Quick-change gear sets are essential for racers who demand flexibility without teardown delays. The SCS Set 27 lets you swap ratios in minutes, keeping your car competitive across different track...SCS27- SKU:
- SCS27
- Availability:
- Ships Same Business Day
- Weight:
- 4.73 LBS
- MFG Part #:
- 27
$204.99 -
SCS Quick Change Gear Set 23
SCS GEARS
$204.99Quick-change gear sets eliminate downtime between races by letting you swap ratios in minutes rather than hours. Whether you're fine-tuning for different track conditions or running multiple events...SCS23- SKU:
- SCS23
- Availability:
- Ships Same Business Day
- Weight:
- 4.93 LBS
- MFG Part #:
- 23
$204.99 -
SCS Quick Change Gear Set 19
SCS GEARS
$204.99For serious racers running quick-change differentials, gear selection is non-negotiable—the right ratio can mean the difference between optimal acceleration and leaving power on the track. The SCS...SCS19- SKU:
- SCS19
- Availability:
- Ships Same Business Day
- Weight:
- 5.22 LBS
- MFG Part #:
- 19
$204.99 -
SCS Quick Change Gear Set 12
SCS GEARS
$204.99Professional drag racing demands gear ratios that can be swapped between rounds without dropping the transmission—the SCS Quick Change Gear Set 12 delivers exactly that. Built with precision-cut...SCS12- SKU:
- SCS12
- Availability:
- Ships Same Business Day
- Weight:
- 4.66 LBS
- MFG Part #:
- 12
$204.99 -
SCS Sportsman QC Gear Set 1017
SCS GEARS
$103.99Quick-change gear sets eliminate track downtime by letting you swap ratios in minutes instead of hours—critical when you're dialing in your setup across multiple rounds. The SCS Sportsman QC 1017...SCS1017- SKU:
- SCS1017
- Availability:
- Ships Same Business Day
- Weight:
- 6.32 LBS
- MFG Part #:
- 1017
$103.99Qty in Cart: 0Quantity:Price:$103.99Subtotal: -
SCS Sportsman QC Gear Set 1014
SCS GEARS
$103.99Quick-change gear sets eliminate downtime between rounds by letting you swap ratios in minutes instead of hours. The SCS Sportsman QC 1014 delivers two proven drag racing ratios—4.11 and 4.86—in a...SCS1014- SKU:
- SCS1014
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- MFG Part #:
- 1014
$103.99Qty in Cart: 0Quantity:Price:$103.99Subtotal: -
SCS Quick Change Gear Set 1
SCS GEARS
$204.99Quick-change gear sets eliminate downtime between races by letting you swap ratios in minutes rather than hours. Whether you're fine-tuning for different track conditions or running multiple classes,...SCS01- SKU:
- SCS01
- Availability:
- Ships Same Business Day
- Weight:
- 4.79 LBS
- MFG Part #:
- 1
$204.99 -
RAM Clutch 6.25" Assault Weapon Series 3-Puck Metallic Clutch Disc Set 9953-3
RAM CLUTCH
$279.00If you're running a high-performance or racing application that demands consistent power transfer and reliability, a quality clutch disc set is non-negotiable. The RAM Clutch Assault Weapon Series...RAM9953-3- SKU:
- RAM9953-3
- Availability:
- Ships Same Business Day
- Weight:
- 2.74 LBS
- MFG Part #:
- 9953-3
$279.00Qty in Cart: 0Quantity:Price:$279.00Subtotal: -
Pressure Plate 10.5 GM Oval Track 2800lbs. 401CT
RAM CLUTCH
$199.00For oval track racing where stock rules govern your build, this pressure plate delivers the consistent clamping force your setup demands without cutting corners. At 2800 lbs. of pressure, it's...RAM401CT- SKU:
- RAM401CT
- Availability:
- Ships Same Business Day
- Weight:
- 19.00 LBS
- MFG Part #:
- 401CT
$199.00 -
Solid Hub Organic Clutch Disc Chevy 251
RAM CLUTCH
$107.00A worn or damaged clutch disc directly impacts your ability to transfer power smoothly from engine to transmission—whether you're on the track or putting down consistent power in street conditions...RAM251- SKU:
- RAM251
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- MFG Part #:
- 251
$107.00 -
Quarter Master Gear Set #21Q 911533
QUARTER MASTER
$225.57Quick-change gear sets eliminate downtime between races and testing sessions—swap ratios in minutes without breaking down your entire differential. The Quarter Master 21Q delivers the gear...QTR911533- SKU:
- QTR911533
- Availability:
- Ships Same Business Day
- Weight:
- 5.77 LBS
- MFG Part #:
- 911533
$225.57Qty in Cart: 0Quantity:Price:$225.57Subtotal:
