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
-
PEM Standard Quick Change Gears 61027
PEM
$80.99Quick change gears eliminate downtime between races and testing sessions, letting you dial in your final drive ratio without pulling the entire rear end. This PEM Standard set gives you two proven...PEM61027- SKU:
- PEM61027
- Availability:
- Ships Same Business Day
- Weight:
- 6.67 LBS
- MFG Part #:
- 61027
$80.99 -
PEM Standard Quick Change Gears 61026
PEM
$80.99Quick change gears are essential for racers who need to dial in performance across different track conditions without pulling the entire differential. This PEM set delivers the flexibility to...PEM61026- SKU:
- PEM61026
- Availability:
- Ships Same Business Day
- Weight:
- 6.37 LBS
- MFG Part #:
- 61026
$80.99 -
PEM Standard Quick Change Gears 61025
PEM
$80.99Quick-change gear sets are essential for racers who need to fine-tune their differential ratios between track sessions or competitions without removing the entire differential housing. The PEM...PEM61025- SKU:
- PEM61025
- Availability:
- Ships Same Business Day
- Weight:
- 6.47 LBS
- MFG Part #:
- 61025
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61021
PEM
$80.99Quick-change gear sets eliminate downtime between race sessions and testing configurations—swap ratios in minutes without pulling your entire differential. Whether you're chasing ET improvements on...PEM61021- SKU:
- PEM61021
- Availability:
- Ships Same Business Day
- Weight:
- 6.58 LBS
- MFG Part #:
- 61021
$80.99 -
PEM Standard Quick Change Gears 61020
PEM
$80.99Quick change gear sets are essential for racers and serious enthusiasts who demand flexibility without breaking down the differential housing between events. The PEM Standard 61020 delivers two...PEM61020- SKU:
- PEM61020
- Availability:
- Ships Same Business Day
- Weight:
- 6.48 LBS
- MFG Part #:
- 61020
$80.99 -
PEM Standard Quick Change Gears 61019
PEM
$80.99Quick change gear sets are essential for racers and serious track enthusiasts who need to optimize performance for different courses and conditions without breaking the bank on multiple differentials...PEM61019- SKU:
- PEM61019
- Availability:
- Ships Same Business Day
- Weight:
- 6.39 LBS
- MFG Part #:
- 61019
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61018
PEM
$80.99Quick-change gears let you dial in your final drive ratio without breaking down your entire differential—critical for racers who need to optimize performance across different tracks or conditions...PEM61018- SKU:
- PEM61018
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- MFG Part #:
- 61018
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61015Q
PEM
$80.99Quick change gears are essential for racers who need to adjust final drive ratios between sessions without pulling the entire differential apart. The PEM 61015Q gives you two gear ratio options—4.11...PEM61015Q- SKU:
- PEM61015Q
- Availability:
- Ships Same Business Day
- Weight:
- 6.33 LBS
- MFG Part #:
- 61015Q
$80.99 -
PEM Standard Quick Change Gears 61015
PEM
$80.99Quick change gear sets are essential for racers who need to optimize performance across multiple track configurations without removing the carrier. The PEM Standard Quick Change Gears 61015 deliver...PEM61015- SKU:
- PEM61015
- Availability:
- Ships Same Business Day
- Weight:
- 6.36 LBS
- MFG Part #:
- 61015
$80.99 -
PEM Standard Quick Change Gears 61013
PEM
$80.99Quick change gears eliminate downtime between races and testing sessions, allowing you to swap ratios in minutes rather than hours. Whether you're fine-tuning for track conditions or transitioning...PEM61013- SKU:
- PEM61013
- Availability:
- Ships Same Business Day
- Weight:
- 6.59 LBS
- MFG Part #:
- 61013
$80.99 -
PEM Standard Quick Change Gears 61011
PEM
$80.99Quick change gear sets eliminate downtime between races by letting you swap ratios in minutes instead of hours. Whether you're dialing in for different track conditions or running multiple classes,...PEM61011- SKU:
- PEM61011
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- MFG Part #:
- 61011
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61010
PEM
$80.99Quick change gear sets are essential for racers who demand flexibility across multiple track configurations without the downtime of a full rear-end teardown. The PEM Standard 61010 delivers two...PEM61010- SKU:
- PEM61010
- Availability:
- Ships Same Business Day
- Weight:
- 6.54 LBS
- MFG Part #:
- 61010
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61008
PEM
$80.99Quick-change gear sets are essential for racers and serious competitors who need to dial in performance for different track conditions and racing classes without complete differential rebuilds. The...PEM61008- SKU:
- PEM61008
- Availability:
- Ships Same Business Day
- Weight:
- 6.57 LBS
- MFG Part #:
- 61008
$80.99 -
PEM Standard Quick Change Gears 61007Q
PEM
$80.99Quick change gears are essential for racers who need to optimize performance across different track conditions or events without pulling the entire differential. The PEM 61007Q gives you two proven...PEM61007Q- SKU:
- PEM61007Q
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- MFG Part #:
- 61007Q
$80.99 -
PEM Standard Quick Change Gears 61007
PEM
$80.99Quick change gear sets eliminate the need for complete differential rebuilds between races, letting you dial in your final drive ratio in minutes rather than hours. With multiple ratios in a single...PEM61007- SKU:
- PEM61007
- Availability:
- Ships Same Business Day
- Weight:
- 6.41 LBS
- MFG Part #:
- 61007
$80.99 -
PEM Standard Quick Change Gears 61006
PEM
$80.99Quick-change gear sets eliminate the need for partial teardowns when you need to dial in your final drive ratio for different track conditions or racing formats. The PEM Standard 61006 gives you two...PEM61006- SKU:
- PEM61006
- Availability:
- Ships Same Business Day
- Weight:
- 6.39 LBS
- MFG Part #:
- 61006
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61004Q
PEM
$80.99Quick change gears let you dial in your final drive ratio between rounds without breaking down your entire differential—critical for adapting to track conditions, weather, or setup changes. The PEM...PEM61004Q- SKU:
- PEM61004Q
- Availability:
- Ships Same Business Day
- Weight:
- 6.44 LBS
- MFG Part #:
- 61004Q
$80.99 -
PEM Standard Quick Change Gears 61004
PEM
$80.99Quick change gear sets let you dial in your final drive ratio without swapping your entire differential—critical for adapting to different track conditions, weather, or competition classes. The PEM...PEM61004- SKU:
- PEM61004
- Availability:
- Ships Same Business Day
- Weight:
- 6.46 LBS
- MFG Part #:
- 61004
$80.99 -
PEM Standard Quick Change Gears 61003
PEM
$80.99Quick change gears are essential for racers who need to dial in the perfect final drive ratio between rounds or test sessions without breaking down the entire differential. The PEM Standard Quick...PEM61003- SKU:
- PEM61003
- Availability:
- Ships Same Business Day
- Weight:
- 6.47 LBS
- MFG Part #:
- 61003
$80.99 -
PEM Standard Quick Change Gears 61002
PEM
$80.99Quick change gears are essential for racers who need to optimize performance across different track conditions without pulling the entire differential. The PEM Standard Quick Change Gears 61002...PEM61002- SKU:
- PEM61002
- Availability:
- Ships Same Business Day
- Weight:
- 6.35 LBS
- MFG Part #:
- 61002
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal:
