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
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Allstar Performance Ring & Pinion Ford 9in 4.11 ALL70016
ALLSTAR PERFORMANCE
$169.99A 4.11 ring and pinion ratio transforms your Ford 9-inch differential into a hard-hitting gear set engineered for acceleration and low-end torque response. Whether you're building a dedicated track...ALL70016- SKU:
- ALL70016
- Availability:
- Ships Same Business Day
- Weight:
- 19.15 LBS
- MFG Part #:
- ALL70016
$169.99Qty in Cart: 0Quantity:Price:$169.99Subtotal: -
Allstar Performance Ring & Pinion Ford 9in 3.89 ALL70014
ALLSTAR PERFORMANCE
$169.99A 3.89 ring and pinion ratio gives you the muscle you need for street-strip performance without sacrificing highway cruising. If you're running a Ford 9-inch and want quicker acceleration off the...ALL70014- SKU:
- ALL70014
- Availability:
- Ships Same Business Day
- Weight:
- 19.22 LBS
- MFG Part #:
- ALL70014
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 3.70 ALL70012
ALLSTAR PERFORMANCE
$169.99A 3.70 ring and pinion ratio transforms your Ford 9-inch rear end into a responsive, quick-accelerating powerhouse—ideal for drag racing, road course competition, or street performance where low-end...ALL70012- SKU:
- ALL70012
- Availability:
- Ships Same Business Day
- Weight:
- 19.49 LBS
- MFG Part #:
- ALL70012
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 3.50 ALL70010
ALLSTAR PERFORMANCE
$169.99A properly matched ring and pinion is fundamental to rear axle performance, directly influencing your engine's RPM band, acceleration response, and overall drivability. The Allstar Performance 3.50...ALL70010- SKU:
- ALL70010
- Availability:
- Ships Same Business Day
- Weight:
- 18.76 LBS
- MFG Part #:
- ALL70010
$169.99 -
Allstar Performance Slip Yoke 8in Wide Angle ALL69048
ALLSTAR PERFORMANCE
$109.99A quality slip yoke is critical for transmissions experiencing axle wrap, driveline shock, or suspension travel that demands flex in your driveshaft. This Allstar Performance unit handles the lateral...ALL69048- SKU:
- ALL69048
- Availability:
- Ships Same Business Day
- Weight:
- 2.65 LBS
- MFG Part #:
- ALL69048
$109.99 -
Allstar Performance Slip Yoke 8in Hardened ALL69047
ALLSTAR PERFORMANCE
$114.99A quality slip yoke is essential for maintaining driveline integrity and preventing costly vibration issues during acceleration and shifting. This Allstar Performance unit delivers the hardened steel...ALL69047- SKU:
- ALL69047
- Availability:
- Ships Same Business Day
- Weight:
- 2.50 LBS
- MFG Part #:
- ALL69047
$114.99 -
Allstar Performance Slip Yoke 7-1/2in Hardened ALL69045
ALLSTAR PERFORMANCE
$127.99A quality slip yoke is critical for maintaining driveline integrity and accommodating transmission travel without binding or vibration. This Allstar Performance unit is hardened steel construction,...ALL69045- SKU:
- ALL69045
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MFG Part #:
- ALL69045
$127.99 -
Allstar Performance Slip Yoke 7-1/2in ALL69044
ALLSTAR PERFORMANCE
$99.99A quality slip yoke is critical for maintaining driveline integrity under load, especially in high-performance applications where vibration and shock can compromise weaker components. This Allstar...ALL69044- SKU:
- ALL69044
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MFG Part #:
- ALL69044
$99.99 -
Allstar Performance Slip Yoke 6-3/4in Hardened ALL69043
ALLSTAR PERFORMANCE
$127.99A quality slip yoke is critical for maintaining proper driveline geometry and preventing binding during suspension articulation. The Allstar Performance ALL69043 delivers the hardened steel...ALL69043- SKU:
- ALL69043
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MFG Part #:
- ALL69043
$127.99 -
Allstar Performance Slip Yoke 6in ALL69040
ALLSTAR PERFORMANCE
$77.99A quality slip yoke is fundamental to any transmission assembly—it accommodates driveshaft movement during suspension compression and extension while maintaining consistent power delivery. This...ALL69040- SKU:
- ALL69040
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MFG Part #:
- ALL69040
$77.99 -
Allstar Performance U-Joint 1310 Series to 1330 Series ALL69037
ALLSTAR PERFORMANCE
$41.99A quality universal joint is critical for reliable driveshaft performance, especially when upgrading from smaller to larger series components. This Allstar Performance 1310-to-1330 adapter joint...ALL69037- SKU:
- ALL69037
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- ALL69037
$41.99 -
Allstar Performance U-Joint 1330 Series to 1350 Series ALL69036
ALLSTAR PERFORMANCE
$34.99A quality u-joint is critical to reliable driveshaft performance—it handles the torque transfer between your transmission and rear axle while accommodating suspension articulation. If you're...ALL69036- SKU:
- ALL69036
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- ALL69036
$34.99 -
Allstar Performance U-Joint 1310 Series to 1350 Series ALL69035
ALLSTAR PERFORMANCE
$35.99A reliable u-joint is critical to maintaining smooth power delivery and preventing catastrophic driveline failure, especially in high-performance or modified applications. The Allstar Performance...ALL69035- SKU:
- ALL69035
- Availability:
- Ships Same Business Day
- Weight:
- 1.48 LBS
- MFG Part #:
- ALL69035
$35.99 -
Allstar Performance U-Joint 1310 Series to 1330 Series ALL69034
ALLSTAR PERFORMANCE
$29.99A worn or damaged universal joint can introduce costly vibration, drivetrain slop, and potential shaft failure—problems that compound under racing loads or high-torque applications. This Allstar...ALL69034- SKU:
- ALL69034
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- ALL69034
$29.99 -
Allstar Performance Driveshaft Loop 3/16in Flat Steel Unwelded 2pcs ALL69004
ALLSTAR PERFORMANCE
$35.99A driveshaft loop is essential safety equipment that contains your driveshaft in the event of a failure, preventing catastrophic damage to your vehicle frame and chassis. This Allstar Performance set...ALL69004- SKU:
- ALL69004
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
- MFG Part #:
- ALL69004
$35.99 -
Allstar Performance Driveshaft Loop 180 Deg 1in x .083 Round Tubing ALL69002
ALLSTAR PERFORMANCE
$17.99A driveshaft failure at speed isn't just inconvenient—it's dangerous. The Allstar Performance Driveshaft Loop is essential safety equipment that contains a broken shaft, preventing it from ejecting...ALL69002- SKU:
- ALL69002
- Availability:
- Ships Same Business Day
- Weight:
- 1.67 LBS
- MFG Part #:
- ALL69002
$17.99 -
Allstar Performance 9in Non Floater Housing Kit 60in w/ GM Mounts ALL68759
ALLSTAR PERFORMANCE
$1,179.99If you're building a serious G-Body platform, you need a robust rear axle housing that can handle both street and strip duties without compromise. This Allstar Performance 9-inch non-floater kit...ALL68759- SKU:
- ALL68759
- Availability:
- Ships Same Business Day
- Weight:
- 94.60 LBS
- MFG Part #:
- ALL68759
$1,179.99 -
Allstar Performance 9in Non Floater Housing Kit 58in w/ GM Mounts ALL68758
ALLSTAR PERFORMANCE
$1,179.99If you're building a high-performance rear end for a classic G-Body, this 9-inch housing kit delivers the structural foundation you need for serious power. The 58-inch width with GM mounts eliminates...ALL68758- SKU:
- ALL68758
- Availability:
- Ships Same Business Day
- Weight:
- 94.60 LBS
- MFG Part #:
- ALL68758
$1,179.99 -
Allstar Performance 9in Non Floater Housing Kit 60in ALL68757
ALLSTAR PERFORMANCE
$999.99If you're building a high-performance rear axle assembly for your GM G-Body, this Allstar 9-inch non-floater housing kit delivers the strength and precision you need for consistent power delivery and...ALL68757- SKU:
- ALL68757
- Availability:
- Ships Same Business Day
- Weight:
- 86.30 LBS
- MFG Part #:
- ALL68757
$999.99Qty in Cart: 0Quantity:Price:$999.99Subtotal: -
Allstar Performance 9in Non Floater Housing Kit 58in ALL68756
ALLSTAR PERFORMANCE
$999.99If you're building a dedicated 9-inch rear axle setup for your GM G-Body, this Allstar Performance housing kit delivers the structural foundation you need without compromise. A solid non-floater...ALL68756- SKU:
- ALL68756
- Availability:
- Ships Same Business Day
- Weight:
- 95.00 LBS
- MFG Part #:
- ALL68756
$999.99
