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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Quarter Master Gear Set #37 911476
QUARTER MASTER
$225.57Quick-change gear sets eliminate the need for time-consuming differential teardowns between races, letting you dial in your setup in minutes instead of hours. The Quarter Master #37 delivers the...QTR911476- SKU:
- QTR911476
- Availability:
- Ships Same Business Day
- Weight:
- 5.46 LBS
- MFG Part #:
- 911476
$225.57Qty in Cart: 0Quantity:Price:$225.57Subtotal: -
Quarter Master Gear Set #09 911211
QUARTER MASTER
$225.57When you're serious about extracting every ounce of performance from your quick-change differential, gear selection makes the difference between winning and watching from the sidelines. The Quarter...QTR911211- SKU:
- QTR911211
- Availability:
- Ships Same Business Day
- Weight:
- 5.85 LBS
- MFG Part #:
- 911211
$225.57Qty in Cart: 0Quantity:Price:$225.57Subtotal: -
Quarter Master Flexplate 153T SBC Late No Balance LW 509181
QUARTER MASTER
$168.61Reducing rotational mass is one of the most effective ways to improve engine response and acceleration in forced induction and naturally aspirated applications alike. The Quarter Master 153T...QTR509181- SKU:
- QTR509181
- Availability:
- Ships Same Business Day
- Weight:
- 2.94 LBS
- MFG Part #:
- 509181
$168.61 -
Quarter Master Button Flywheel LS 7.25in 509150
QUARTER MASTER
$358.67If you're running a Quarter Master Optimum-V clutch on your LS-powered machine, this button flywheel is engineered to maximize engagement precision and reduce rotational mass for quicker throttle...QTR509150- SKU:
- QTR509150
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- MFG Part #:
- 509150
$358.67 -
Quarter Master Flywheel Bert 110 Tooth Chevy/Ford Late 509134
QUARTER MASTER
$245.54If you're running a Street Stock setup or transitioning to a dedicated racing clutch system, the Quarter Master 110-tooth flywheel is engineered for precise engagement and durability under repeated...QTR509134- SKU:
- QTR509134
- Availability:
- Ships Same Business Day
- Weight:
- 2.21 LBS
- MFG Part #:
- 509134
$245.54Qty in Cart: 0Quantity:Price:$245.54Subtotal: -
Quarter Master Flywheel 7.25in SBC L/W Blank Bolt Pattern 50911009SC
QUARTER MASTER
$163.28If you're building a lightweight, high-revving small-block Chevy engine, the Quarter Master 7.25" flywheel is engineered to reduce rotational mass and improve throttle response without sacrificing...QTR50911009SC- SKU:
- QTR50911009SC
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
- MFG Part #:
- 50911009SC
$163.28 -
Quarter Master 5.5 Button Flywheel Pro & V-Drive Ext. Balance 505171SCZZ
QUARTER MASTER
$281.01If you're running a high-performance Chevy engine with serious clutch demands, the Quarter Master 5.5 Button Flywheel Pro delivers the precision engineering and durability required for consistent...QTR505171SCZZ- SKU:
- QTR505171SCZZ
- Availability:
- Ships Same Business Day
- Weight:
- 2.96 LBS
- MFG Part #:
- 505171SCZZ
$281.01 -
Quarter Master 7.25 Pro Clutch 10SP 3 Disc Pre-86 399108
QUARTER MASTER
$1,038.85If you're running a pre-86 Chevy and demand consistent, predictable clutch engagement under high-rpm launches and sustained load, the Quarter Master 7.25 Pro delivers the reliability and holding...QTR399108- SKU:
- QTR399108
- Availability:
- Ships Same Business Day
- Weight:
- 16.92 LBS
- MFG Part #:
- 399108
$1,038.85Qty in Cart: 0Quantity:Price:$1,038.85Subtotal: -
Quarter Master 7.25 V-Drive Clutch 10SP 3 Disc '86 & Newer 398103
QUARTER MASTER
$791.03If you're running a high-horsepower small-block Chevy with serious power demands, the Quarter Master 7.25 V-Drive triple-disc clutch delivers the clamping force and durability needed for consistent...QTR398103- SKU:
- QTR398103
- Availability:
- Ships Same Business Day
- Weight:
- 15.06 LBS
- MFG Part #:
- 398103
$791.03Qty in Cart: 0Quantity:Price:$791.03Subtotal: -
Quarter Master 5.5in Optimum Clutch SBC 3 Disc 1-5/32in x 26 Spl 37517090
QUARTER MASTER
$1,371.81If you're running a small-block Chevy in bracket racing, street performance, or high-RPM applications, you need a clutch engineered for consistent engagement and proven durability under repeated load...QTR37517090- SKU:
- QTR37517090
- Availability:
- Ships Same Business Day
- Weight:
- 9.05 LBS
- MFG Part #:
- 37517090
$1,371.81 -
Quarter Master Clutch Cover 7.25in 309500
QUARTER MASTER
$235.49A reliable clutch cover assembly is critical for maintaining consistent engagement and protecting your clutch system under racing loads. The Quarter Master Pro-Series 7.25in Clutch Cover delivers the...QTR309500- SKU:
- QTR309500
- Availability:
- Ships Same Business Day
- Weight:
- 2.93 LBS
- MFG Part #:
- 309500
$235.49 -
Quarter Master 7.25 V-Drive Clutch 10SP 2 Disc 86&Newer 298103
QUARTER MASTER
$654.95If you're running a high-horsepower small-block Chevy and demand consistent, reliable power transfer to the transmission, the Quarter Master 7.25 V-Drive Clutch delivers the holding capacity and...QTR298103- SKU:
- QTR298103
- Availability:
- Ships Same Business Day
- Weight:
- 12.61 LBS
- MFG Part #:
- 298103
$654.95 -
Quarter Master 5.5in 1-5/32x26 2 Disc Pack 225090
QUARTER MASTER
$183.69A properly matched clutch disc pack is fundamental to reliable power transfer in high-performance applications. Quarter Master's 5.5-inch dual-disc setup delivers consistent engagement and superior...QTR225090- SKU:
- QTR225090
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
- MFG Part #:
- 225090
$183.69 -
Quarter Master Counter Weight SBC Late 180171
QUARTER MASTER
$117.64Flywheel counterweights are critical for balancing rotating assemblies and reducing vibration in high-performance engines—especially when running forced induction or aggressive cam profiles. The...QTR180171- SKU:
- QTR180171
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MFG Part #:
- 180171
$117.64 -
Quarter Master Bellhousing Kit Brinn Bert w/Top O/P Mount 120509124TM
QUARTER MASTER
$1,777.13If you're building a high-performance Chevy engine or swapping to a Bert/Brinn transmission, this bellhousing kit eliminates guesswork and compatibility headaches. Quarter Master's complete assembly...QTR120509124TM- SKU:
- QTR120509124TM
- Availability:
- Ships Same Business Day
- Weight:
- 29.80 LBS
- MFG Part #:
- 120509124TM
$1,777.13 -
Quarter Master 5.5 Floater Ring V-Drive 105406
QUARTER MASTER
$106.77If you're running a V-Drive clutch system, the floater ring is your engine's direct connection to reliable power transfer—and it needs to handle the abuse without compromise. Quarter Master's 5.5"...QTR105406- SKU:
- QTR105406
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
- MFG Part #:
- 105406
$106.77 -
PST Steel Driveshaft 46in Long 3in Dia. 310460
PRECISION SHAFT TECHNOLOGIES
$418.99A quality driveshaft is the backbone of reliable power transfer in any high-performance drivetrain. This PST Steel Driveshaft delivers the strength and precision needed for consistent acceleration...PST310460- SKU:
- PST310460
- Availability:
- Ships Same Business Day
- Weight:
- 9.35 LBS
- MFG Part #:
- 310460
$418.99 -
PST Steel Driveshaft 34in Long 2in Diameter 200340
PRECISION SHAFT TECHNOLOGIES
$246.99A quality driveshaft is the backbone of reliable power transfer in any high-performance setup. The PST Steel Driveshaft delivers proven durability and precision engineering for racers and builders...PST200340- SKU:
- PST200340
- Availability:
- Ships Same Business Day
- Weight:
- 12.10 LBS
- MFG Part #:
- 200340
$246.99 -
PST Alum Driveshaft 46.5in Long 100465
PRECISION SHAFT TECHNOLOGIES
$460.99A quality driveshaft is fundamental to reliable power delivery, and this PST aluminum unit delivers the precision engineering your build demands. Aluminum construction reduces unsprung weight while...PST100465- SKU:
- PST100465
- Availability:
- Ships Same Business Day
- Weight:
- 10.75 LBS
- MFG Part #:
- 100465
$460.99 -
PST Alum Driveshaft 40in Long 100400
PRECISION SHAFT TECHNOLOGIES
$460.99A quality driveshaft is fundamental to reliable power transfer and consistent performance on the track or street. This PST aluminum driveshaft delivers a lightweight alternative to steel while...PST100400- SKU:
- PST100400
- Availability:
- Ships Same Business Day
- Weight:
- 9.90 LBS
- MFG Part #:
- 100400
$460.99Qty in Cart: 0Quantity:Price:$460.99Subtotal: