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 Shim Kit GM 8.5in 10 Bolt 1970-98 ALL68621
ALLSTAR PERFORMANCE
$43.99Shim Kit GM 8.5in 10 Bolt 1970-98Differential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / Shims8.5 inGM 10-BoltKitALL68621- SKU:
- ALL68621
- Availability:
- Ships Same Business Day
- Weight:
- 2.07 LBS
- MFG Part #:
- ALL68621
$43.99 -
Allstar Performance Shim Kit for GM 8.875" 12-Bolt Passenger Car Axle ALL68619
ALLSTAR PERFORMANCE
$47.99The Allstar Performance Shim Kit is specifically engineered for GM 8.875-inch 12-bolt passenger car axles, offering a comprehensive solution for differential assembly. This kit includes essential components such as a pinion retainer, pre-load shims,...ALL68619- SKU:
- ALL68619
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MFG Part #:
- ALL68619
$47.99 -
Allstar Performance Differential Shim Kit for GM 8.875in 12-Bolt Truck ALL68618
ALLSTAR PERFORMANCE
$49.99This Allstar Performance shim kit is tailored for GM 8.875-inch 12-bolt truck differentials, offering all essential components for a precise and reliable installation. It includes a pinion retainer, pre-load shims, bolts, crush sleeve, pinion nut, and...ALL68618- SKU:
- ALL68618
- Availability:
- Ships Same Business Day
- Weight:
- 2.21 LBS
- MFG Part #:
- ALL68618
$49.99 -
Allstar Performance Shim Kit GM 7.5in 10 Bolt 1982-1998 ALL68615
ALLSTAR PERFORMANCE
$43.99Shim Kit GM 7.5in 10 Bolt 1982-1998Differential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / Shims7.5 inGM 10-Bolt 1982-98KitALL68615- SKU:
- ALL68615
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
- MFG Part #:
- ALL68615
$43.99 -
Allstar Performance Shim Kit Ford 8.8in ALL68613
ALLSTAR PERFORMANCE
$44.99Shim Kit Ford 8.8in Differential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / ShimsFord 8.8 inKitALL68613- SKU:
- ALL68613
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MFG Part #:
- ALL68613
$44.99Qty in Cart: 0Quantity:Price:$44.99Subtotal: -
Allstar Performance Shim Kit Ford 9in with Crush Sleeve ALL68611
ALLSTAR PERFORMANCE
$31.99Shim Kit Ford 9in with Crush SleeveDifferential ShimPinion Retainer / Pre-Load ShimsBolts / Crush Sleeve / Pinion Nut / ShimsFord 9 inKitALL68611- SKU:
- ALL68611
- Availability:
- Ships Same Business Day
- Weight:
- 1.68 LBS
- MFG Part #:
- ALL68611
$31.99 -
Allstar Performance Shim Kit Ford 9in with Solid Spacer ALL68610
ALLSTAR PERFORMANCE
$39.99Shim Kit Ford 9in with Solid SpacerDifferential ShimPinion Retainer / Pre-Load ShimsBolts / Pinion Nut / Shims / Solid SpacerFord 9 inKitALL68610- SKU:
- ALL68610
- Availability:
- Ships Same Business Day
- Weight:
- 1.74 LBS
- MFG Part #:
- ALL68610
$39.99 -
Allstar Performance Bearing Kit for Ford 9" 3.250" Carrier Bearing with Daytona 28-Spline Pinion Support and Solid Spacer ALL68543
ALLSTAR PERFORMANCE
$129.99This comprehensive differential installation kit is specifically designed for Ford 9-inch rear ends featuring a 3.250-inch carrier bearing. It includes all essential components for a seamless setup, ensuring optimal performance and durability. The kit...ALL68543- SKU:
- ALL68543
- Availability:
- Ships Same Business Day
- Weight:
- 6.08 LBS
- MFG Part #:
- ALL68543
$129.99 -
Allstar Performance Bearing Kit for Ford 9in 3.250 Carrier Bearing 28-Spline Pinion Support ALL68542
ALLSTAR PERFORMANCE
$119.99The Allstar Performance Bearing Kit is designed for the Ford 9-inch rear axle, featuring a 3.250-inch carrier bearing and a Daytona 28-spline pinion support. This comprehensive kit includes all essential components for a seamless and efficient...ALL68542- SKU:
- ALL68542
- Availability:
- Ships Same Business Day
- Weight:
- 6.03 LBS
- MFG Part #:
- ALL68542
$119.99 -
Allstar Performance Bearing Kit for Ford 9in 3.250 Carrier Bearing with 35-Spline Pinion Support ALL68541
ALLSTAR PERFORMANCE
$142.99This comprehensive bearing kit is designed for the Ford 9-inch rear axle, featuring a 3.250-inch carrier bearing and a 35-spline pinion support. It includes all essential components for a seamless differential installation, ensuring optimal performance...ALL68541- SKU:
- ALL68541
- Availability:
- Ships Same Business Day
- Weight:
- 5.84 LBS
- MFG Part #:
- ALL68541
$142.99 -
Allstar Performance Bearing Kit for Ford 9" 3.250" Carrier Bearing with MW or Strange 28-Spline Pinion Support No Spacer or Crush Sleeve ALL68540
ALLSTAR PERFORMANCE
$129.99This Allstar Performance Bearing Kit is designed for Ford 9-inch rear axles, featuring a 3.250-inch carrier bearing compatible with MW or Strange 28-spline pinion supports. The kit includes all essential components for a seamless installation, excluding...ALL68540- SKU:
- ALL68540
- Availability:
- Ships Same Business Day
- Weight:
- 5.85 LBS
- MFG Part #:
- ALL68540
$129.99 -
Allstar Performance Bearing Kit Ford 9in 3.062 Bearing ALL68539
ALLSTAR PERFORMANCE
$129.99Bearing Kit Ford 9in 3.062 BearingDifferential Installation KitBearings / Gaskets / Hardware / Seals / Shims / Solid Spacer / Thread LockerFord 9 inKitALL68539- SKU:
- ALL68539
- Availability:
- Ships Same Business Day
- Weight:
- 5.88 LBS
- MFG Part #:
- ALL68539
$129.99 -
Allstar Performance Bearing Kit Ford 9in 3.062 Bearing ALL68538
ALLSTAR PERFORMANCE
$118.99Bearing Kit Ford 9in 3.062 BearingDifferential Installation KitBearings / Crush Sleeve / Gaskets / Hardware / Seals / Shims / Thread LockerFord 9 inKitALL68538- SKU:
- ALL68538
- Availability:
- Ships Same Business Day
- Weight:
- 5.93 LBS
- MFG Part #:
- ALL68538
$118.99 -
Allstar Performance Bearing Kit for Mopar 8-3/4" with 742 Casting ALL68537
ALLSTAR PERFORMANCE
$139.99The Allstar Performance Bearing Kit is designed for the Mopar 8-3/4" rear axle with a 742 casting, featuring a 1.796" I.D. carrier bearing. This comprehensive kit includes all essential components for a seamless differential installation, ensuring...ALL68537- SKU:
- ALL68537
- Availability:
- Ships Same Business Day
- Weight:
- 7.29 LBS
- MFG Part #:
- ALL68537
$139.99 -
Allstar Performance Bearing Kit for Dana 60 and 61 9.75-inch Axles ALL68534
ALLSTAR PERFORMANCE
$167.99This comprehensive differential installation kit is designed for Dana 60 and 61 axles, covering models from 1966 to 1998. It includes all essential components for a seamless setup, ensuring optimal performance and durability. Compatible with Dana 60...ALL68534- SKU:
- ALL68534
- Availability:
- Ships Same Business Day
- Weight:
- 8.43 LBS
- MFG Part #:
- ALL68534
$167.99 -
Allstar Performance Bearing Kit for Mopar 8-3/4 489 Case 2.000 I.D. Carrier Bearings ALL68532
ALLSTAR PERFORMANCE
$159.99The Allstar Performance Bearing Kit is designed for the Mopar 8-3/4-inch rear axle with a 489 case, featuring 2.000-inch I.D. carrier bearings. This comprehensive kit includes all essential components for a seamless differential installation, ensuring...ALL68532- SKU:
- ALL68532
- Availability:
- Ships Same Business Day
- Weight:
- 6.08 LBS
- MFG Part #:
- ALL68532
$159.99 -
Allstar Performance Bearing Kit for Mopar 8-3/4 489 Case 8.75 in ALL68531
ALLSTAR PERFORMANCE
$139.99The Allstar Performance Bearing Kit is designed for the Mopar 8-3/4-inch 489 case differential, providing all necessary components for a comprehensive installation. This kit includes bearings, a crush sleeve, gaskets, hardware, seals, shims, and thread...ALL68531- SKU:
- ALL68531
- Availability:
- Ships Same Business Day
- Weight:
- 6.53 LBS
- MFG Part #:
- ALL68531
$139.99 -
Allstar Performance Bearing Kit GM 8.5 10 Bolt 1970-98 ALL68521
ALLSTAR PERFORMANCE
$99.99Bearing Kit GM 8.5 10 Bolt 1970-98Differential Installation KitBearings / Crush Sleeve / Gaskets / Hardware / Seals / Shims / Thread Locker8.5 inGM 10-BoltKitALL68521- SKU:
- ALL68521
- Availability:
- Ships Same Business Day
- Weight:
- 5.79 LBS
- MFG Part #:
- ALL68521
$99.99 -
Allstar Performance Bearing Kit 8.875 GM 12-Bolt Car 1.625 Pinion ALL68519
ALLSTAR PERFORMANCE
$109.99The Allstar Performance Bearing Kit is designed for the 8.875-inch GM 12-Bolt rear axle found in passenger cars. This comprehensive kit includes all necessary components for a seamless ring and pinion installation, ensuring optimal performance and...ALL68519- SKU:
- ALL68519
- Availability:
- Ships Same Business Day
- Weight:
- 6.15 LBS
- MFG Part #:
- ALL68519
$109.99 -
Allstar Performance Bearing Kit GM 8.875 12 Bolt Truck 1.438 Pinion ALL68518
ALLSTAR PERFORMANCE
$109.99The Allstar Performance Bearing Kit is designed for GM 8.875-inch 12-bolt truck differentials with a 1.438-inch pinion. This comprehensive kit includes all necessary components for a smooth and efficient installation, ensuring optimal performance and...ALL68518- SKU:
- ALL68518
- Availability:
- Ships Same Business Day
- Weight:
- 6.04 LBS
- MFG Part #:
- ALL68518
$109.99