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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Allstar Performance Ring & Pinion GM 7.5 3.73 Thick ALL70115
ALLSTAR PERFORMANCE
$169.99A 3.73 ring and pinion ratio delivers the ideal balance of acceleration and highway cruising for street performance builds and moderate track use. This Allstar kit provides precision-manufactured...ALL70115- SKU:
- ALL70115
- Availability:
- Ships Same Business Day
- Weight:
- 14.02 LBS
- MFG Part #:
- ALL70115
$169.99 -
Allstar Performance Ring & Pinion GM 7.5 3.73 ALL70114
ALLSTAR PERFORMANCE
$169.99A 3.73 ring and pinion ratio delivers the ideal balance of acceleration and highway cruising for street-driven muscle cars and dedicated track builds on a GM 10-bolt platform. This Allstar...ALL70114- SKU:
- ALL70114
- Availability:
- Ships Same Business Day
- Weight:
- 12.61 LBS
- MFG Part #:
- ALL70114
$169.99 -
Allstar Performance Ring & Pinion GM 7.5 3.42 Thick ALL70113
ALLSTAR PERFORMANCE
$169.99A 3.42 ring and pinion ratio is the sweet spot for street and strip applications—delivering aggressive acceleration off the line without sacrificing highway drivability. This Allstar Performance kit...ALL70113- SKU:
- ALL70113
- Availability:
- Ships Same Business Day
- Weight:
- 13.90 LBS
- MFG Part #:
- ALL70113
$169.99 -
Allstar Performance Ring & Pinion GM 7.5 3.42 ALL70112
ALLSTAR PERFORMANCE
$169.99A 3.42 ring and pinion ratio gives you the efficiency of highway cruising while maintaining enough mechanical advantage for responsive acceleration—ideal for street/strip applications where...ALL70112- SKU:
- ALL70112
- Availability:
- Ships Same Business Day
- Weight:
- 11.99 LBS
- MFG Part #:
- ALL70112
$169.99 -
Allstar Performance Ring & Pinion GM 7.5 3.23 ALL70110
ALLSTAR PERFORMANCE
$169.99A properly matched ring and pinion is fundamental to rear differential performance—it directly impacts acceleration response, fuel economy, and engine longevity. The Allstar 3.23 ratio strikes an...ALL70110- SKU:
- ALL70110
- Availability:
- Ships Same Business Day
- Weight:
- 11.72 LBS
- MFG Part #:
- ALL70110
$169.99 -
Allstar Performance 7.5 Ring Gear Spacer ALL70100
ALLSTAR PERFORMANCE
$45.99Proper ring gear spacing is critical for differential assembly—it ensures correct backlash and prevents premature gear wear that can compromise your entire drivetrain. This Allstar Performance spacer...ALL70100- SKU:
- ALL70100
- Availability:
- Ships Same Business Day
- Weight:
- 2.08 LBS
- MFG Part #:
- ALL70100
$45.99 -
Allstar Performance Ring & Pinion Ford 9in 6.50 ALL70044
ALLSTAR PERFORMANCE
$169.99If you're running a Ford 9-inch rear end and want to dial in your final drive ratio for peak acceleration and top-end performance, a quality ring and pinion set is non-negotiable. The Allstar...ALL70044- SKU:
- ALL70044
- Availability:
- Ships Same Business Day
- Weight:
- 21.39 LBS
- MFG Part #:
- ALL70044
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 6.33 ALL70042
ALLSTAR PERFORMANCE
$169.99A 6.33 ring and pinion ratio is engineered for high-RPM acceleration and sustained performance in competition environments where quick throttle response matters. This Allstar kit delivers the gearing...ALL70042- SKU:
- ALL70042
- Availability:
- Ships Same Business Day
- Weight:
- 21.73 LBS
- MFG Part #:
- ALL70042
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 6.20 ALL70040
ALLSTAR PERFORMANCE
$169.99A 6.20 ring and pinion ratio transforms your Ford 9-inch differential into a dedicated launch platform, delivering aggressive acceleration and quick off-the-line response for street, strip, or track...ALL70040- SKU:
- ALL70040
- Availability:
- Ships Same Business Day
- Weight:
- 19.13 LBS
- MFG Part #:
- ALL70040
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 6.00 ALL70038
ALLSTAR PERFORMANCE
$169.99A 6.00 ring and pinion ratio is the sweet spot for street performance—delivering stronger low-end torque multiplication without sacrificing highway cruising capability on your Ford 9-inch rear...ALL70038- SKU:
- ALL70038
- Availability:
- Ships Same Business Day
- Weight:
- 21.41 LBS
- MFG Part #:
- ALL70038
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 5.83 ALL70036
ALLSTAR PERFORMANCE
$169.99A 5.83 ring and pinion ratio gives you the aggressive gear reduction needed for quick acceleration and consistent power delivery off the line—essential whether you're bracket racing, drag racing, or...ALL70036- SKU:
- ALL70036
- Availability:
- Ships Same Business Day
- Weight:
- 19.27 LBS
- MFG Part #:
- ALL70036
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 5.67 ALL70034
ALLSTAR PERFORMANCE
$169.99If you're running a Ford 9-inch rear end and need aggressive acceleration with controlled highway cruising, a 5.67 ring and pinion gear ratio delivers the performance balance serious racers and hot...ALL70034- SKU:
- ALL70034
- Availability:
- Ships Same Business Day
- Weight:
- 19.60 LBS
- MFG Part #:
- ALL70034
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 5.43 ALL70032
ALLSTAR PERFORMANCE
$169.99If you're running a Ford 9-inch rear end and need aggressive acceleration response, a 5.43 ring and pinion ratio delivers the gear multiplication required for launch performance without sacrificing...ALL70032- SKU:
- ALL70032
- Availability:
- Ships Same Business Day
- Weight:
- 19.50 LBS
- MFG Part #:
- ALL70032
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 5.29 ALL70030
ALLSTAR PERFORMANCE
$169.99If you're running a Ford 9-inch rear end and need to optimize your power delivery, a 5.29 ring and pinion ratio is your ticket to aggressive acceleration and improved launch characteristics. This...ALL70030- SKU:
- ALL70030
- Availability:
- Ships Same Business Day
- Weight:
- 19.67 LBS
- MFG Part #:
- ALL70030
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 5.14 ALL70028
ALLSTAR PERFORMANCE
$169.99A 5.14 ring and pinion ratio transforms your Ford 9-inch differential into a high-revving powerhouse—ideal for acceleration-focused racing where quick spool-up and aggressive gear multiplication...ALL70028- SKU:
- ALL70028
- Availability:
- Ships Same Business Day
- Weight:
- 18.04 LBS
- MFG Part #:
- ALL70028
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 5.00 ALL70026
ALLSTAR PERFORMANCE
$169.99A 5.00 ring and pinion ratio transforms your Ford 9-inch differential into a high-revving, acceleration-focused setup ideal for drag racing, street performance, and closed-course competition. This...ALL70026- SKU:
- ALL70026
- Availability:
- Ships Same Business Day
- Weight:
- 19.52 LBS
- MFG Part #:
- ALL70026
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 4.86 ALL70024
ALLSTAR PERFORMANCE
$169.99A 4.86 ring and pinion ratio transforms your Ford 9-inch rear end into a high-revving powerhouse, delivering the aggressive acceleration needed for straight-line performance and track dominance. This...ALL70024- SKU:
- ALL70024
- Availability:
- Ships Same Business Day
- Weight:
- 19.30 LBS
- MFG Part #:
- ALL70024
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 4.71 ALL70022
ALLSTAR PERFORMANCE
$169.99A 4.71 ring and pinion ratio is the sweet spot for street-strip applications and dedicated drag racing builds where you need aggressive acceleration off the line without sacrificing top-end...ALL70022- SKU:
- ALL70022
- Availability:
- Ships Same Business Day
- Weight:
- 17.76 LBS
- MFG Part #:
- ALL70022
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 4.56 ALL70020
ALLSTAR PERFORMANCE
$169.99A 4.56 ring and pinion ratio transforms your Ford 9-inch differential into a launch-focused powerhouse, delivering aggressive acceleration and reduced wheel slip off the line. This ratio is the go-to...ALL70020- SKU:
- ALL70020
- Availability:
- Ships Same Business Day
- Weight:
- 18.85 LBS
- MFG Part #:
- ALL70020
$169.99 -
Allstar Performance Ring & Pinion Ford 9in 4.33 ALL70018
ALLSTAR PERFORMANCE
$169.99A 4.33 ring and pinion ratio is your answer to aggressive acceleration and improved off-the-line performance, making it the ideal choice for street racing, bracket racing, and high-RPM track...ALL70018- SKU:
- ALL70018
- Availability:
- Ships Same Business Day
- Weight:
- 17.63 LBS
- MFG Part #:
- ALL70018
$169.99
