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 4.86 5x5 Hubs Axles QCKSTGN5-486-60CP
PEM
$2,399.99Quick-change rear axle assemblies are essential for racers who demand flexibility without sacrificing performance—swapping gear ratios in minutes rather than hours saves you valuable track time and...PEMQCKSTGN-486-60CP- SKU:
- PEMQCKSTGN-486-60CP
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$2,399.99 -
Bert LMZ Transmission Kit for 2 Piece Rear Main Seal
J J MOTORSPORTS
$2,551.95The Bert LMZ transmission is engineered for serious drag racing and high-horsepower applications where reliability under extreme load is non-negotiable. This complete kit eliminates the guesswork of...234-9030- SKU:
- 234-9030
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$2,551.95Qty in Cart: 0Quantity:Price:$2,551.95Subtotal: -
Brinn Transmission Kit for 1 Piece Rear Main Seal
J J MOTORSPORTS
$2,615.44A quality transmission cooler system is non-negotiable if you're running sustained high-RPM or high-heat applications—and this complete Brinn kit eliminates the guesswork of sourcing compatible...234-9029- SKU:
- 234-9029
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$2,615.44 -
Brinn Transmission Kit for 2 Piece Rear Main Seal
J J MOTORSPORTS
$2,624.44A quality transmission cooler system is essential for maintaining optimal fluid temperatures under sustained racing conditions, directly impacting shift reliability and component longevity. This...234-9028- SKU:
- 234-9028
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$2,624.44 -
Falcon Transmission Kit for 1-Piece Rear Main Seal Kit
J J MOTORSPORTS
$2,059.95A complete transmission overhaul requires precision-engineered components working in perfect harmony—and this kit delivers exactly that. The Falcon Transmission Kit eliminates the guesswork of...234-9026- SKU:
- 234-9026
- Availability:
- Ships Same Business Day
- Weight:
- 50.00 LBS
$2,059.95Qty in Cart: 0Quantity:Price:$2,059.95Subtotal: -
Brinn Aluminum Transmission 70001
BRINN TRANSMISSION
$2,469.99For circle track racers who demand reliability without compromise, the Brinn Aluminum Transmission 70001 delivers lightweight performance with internal hydraulic actuation that eliminates external...BRI70001- SKU:
- BRI70001
- Availability:
- Ships Same Business Day
- Weight:
- 57.70 LBS
- MFG Part #:
- 70001
- Transmission Speeds:
- 2-Speed
- Input Shaft Spline Count:
- 10
- Output Shaft Spline Count:
- 27
- Bellhousing Included:
- No
- Yoke Included:
- No
- Shifter Included:
- No
- Case Material:
- Aluminum
- Gear Ratio (Low):
- 1.88:1
- Gear Ratio (Reverse):
- 2.29:1
- Notes:
- 1-3/8"-10 spline input shaft. 1-3/16"-27 spline output shaft.
$2,469.99 -
Bert Aluminum Transmission w/Z (Dog Teeth) LMZ
BERT TRANSMISSIONS
$2,369.99If you're running a dedicated drag racing or bracket racing platform, the Bert Aluminum Transmission with Z-pattern dog teeth delivers the straight-line performance you need without the weight...BER200- SKU:
- BER200
- Availability:
- Ships Same Business Day
- Weight:
- 50.00 LBS
- MFG Part #:
- LMZ
$2,369.99Qty in Cart: 0Quantity:Price:$2,369.99Subtotal: -
Brinn BR2 Short Aluminum Transmission 19-inch 70002
BRINN TRANSMISSION
$2,604.99For drag racing, circle track, and high-performance street applications, transmission weight and packaging are critical to vehicle balance and acceleration. The Brinn BR2 combines a featherweight...BRI70002- SKU:
- BRI70002
- Availability:
- Ships same business day
- Weight:
- 57.00 LBS
$2,604.99 -
Quarter Master Bellhousing Kit SBC Crate 5.5in V-Drive 2d 10028591ZZ
QUARTER MASTER
$2,188.05If you're running a serious Small Block Chevy crate engine setup, you need a bellhousing kit engineered to handle the power transfer without compromise. This Quarter Master dual-disc assembly...QTR10028591ZZ- SKU:
- QTR10028591ZZ
- Availability:
- Ships Same Business Day
- Weight:
- 37.00 LBS
$2,188.05 -
PEM Quick Change Rear 4.11 Max No Tubes QCNT-411MAX
PEM
$2,226.99Quick ratio changes are essential for competitive racing, and the PEM Quick Change system eliminates hours of downtime by letting you swap gear ratios in minutes without removing the axle tubes. The...PEMQCNT-411MAX- SKU:
- PEMQCNT-411MAX
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$2,226.99 -
PEM Quick Change Rear End 4.11 60in center QCKSTGN5-411-60CP
PEM
$2,439.99Quick-change gearing lets you optimize your setup between rounds without breaking down the rear end, giving you a competitive advantage on unfamiliar tracks. The 4.11 ratio and 60-inch center...PEMQCKSTGN5-411-60CP- SKU:
- PEMQCKSTGN5-411-60CP
- Availability:
- Ships Same Business Day
- Weight:
- 200.00 LBS
$2,439.99 -
PEM Quick Change Assembly No Tubes Max Option 4.86 QCNT-486MAX
PEM
$2,226.99Quick-change rear ends eliminate downtime between races by letting you swap gear ratios in minutes instead of hours. The PEM Max Option design delivers the strength and precision you need for...PEMQCNT-486MAX- SKU:
- PEMQCNT-486MAX
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$2,226.99 -
Quarter Master Bellhousing Kit Chevy Crate Engine 5.5in V Dri 10038590ZZ
QUARTER MASTER
$2,246.30A quality bellhousing kit is critical for reliable power transfer and clutch engagement in high-performance applications. The Quarter Master Triple Disc V-Drive design delivers consistent, repeatable...QTR10038590ZZ- SKU:
- QTR10038590ZZ
- Availability:
- Ships Same Business Day
- Weight:
- 39.70 LBS
- MFG Part #:
- 10038590ZZ
$2,246.30 -
Quarter Master Alum Bellhousing Package 5.5in V Rear Mount Start 10038590
QUARTER MASTER
$2,188.05If you're building a high-performance Chevy drag racing engine or street machine, the Quarter Master aluminum bellhousing package delivers the clutch engagement and durability needed for serious...QTR10038590- SKU:
- QTR10038590
- Availability:
- Ships Same Business Day
- Weight:
- 38.30 LBS
- MFG Part #:
- 10038590
$2,188.05 -
Bert Aluminum Transmission (GEN 2) 19in Length SG-1300
BERT TRANSMISSIONS
$2,468.99If you're running circle track racing, weight reduction directly translates to faster acceleration, better handling, and quicker pit stops—three things that separate winners from the rest. The Bert...BERSG1300- SKU:
- BERSG1300
- Availability:
- Ships Same Business Day
- Weight:
- 42.35 LBS
- MFG Part #:
- SG-1300
$2,468.99 -
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 -
Winters Aluminum Raptor Late Model Transmission Manual 2 Forward Speeds Reverse 10 Spline Input 27 Spline Output Aluminum Case Natural WIN60200
WINTERS
$2,078.99If you're running a late-model dirt track or asphalt racing program, you need a transmission that can handle repeated high-torque shifts without adding unnecessary weight to your chassis. The Winters...WIN60200- SKU:
- WIN60200
- Availability:
- Ships Same Business Day
- Weight:
- 41.10 LBS
- MFG Part #:
- 60200
$2,078.99 -
Bert Late Model Aluminum Transmission (GEN 2) 22in Length SG-1400
BERT TRANSMISSIONS
$2,468.99If you're serious about shedding rotational mass and maximizing driveline efficiency in your late-model build, the Bert SG-1400 delivers weight savings that directly translate to quicker acceleration...BERSG1400- SKU:
- BERSG1400
- Availability:
- Ships Same Business Day
- Weight:
- 43.45 LBS
- MFG Part #:
- SG-1400
$2,468.99
