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
-
PST 8.0in 1310 Yoke 100003
PRECISION SHAFT TECHNOLOGIES
$78.99A quality slip yoke is essential for transmitting power reliably from your transmission to the driveshaft, especially in high-performance or custom applications where vibration and stress are...PST100003- SKU:
- PST100003
- Availability:
- Ships Same Business Day
- Weight:
- 2.71 LBS
- MFG Part #:
- 100003
$78.99Qty in Cart: 0Quantity:Price:$78.99Subtotal: -
PEM 9in Rear End Floater w/ Steel 5x4-3/4 Hubs 62in Centered PEMHNK3103104
PEM
$1,132.99A quality rear end housing is the foundation of any serious drag strip or road course build. The PEM 9in Floater delivers the strength and precision you need to handle extreme power while maintaining...PEMHNK3103104- SKU:
- PEMHNK3103104
- Availability:
- Ships Same Business Day
- Weight:
- 41.00 LBS
- MFG Part #:
- HNK3103104
$1,132.99Qty in Cart: 0Quantity:Price:$1,132.99Subtotal: -
PEM 9in Floater w/ Steel 5x5 Hubs 60in Centered PEMHNK3003005
PEM
$1,231.99A complete, ready-to-bolt floater housing solution built for serious drag racing and high-horsepower applications. This fully assembled Ford 9" kit eliminates guesswork with precision-stamped centers...PEMHNK3003005- SKU:
- PEMHNK3003005
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- HNK3003005
$1,231.99 -
PEM Premium Quick Change Gears 65050
PEM
$156.99Quick change gears eliminate downtime between races by letting you swap ratios in minutes rather than hours—critical when track conditions demand multiple setups in a single event. This PEM premium...PEM65050- SKU:
- PEM65050
- Availability:
- Ships Same Business Day
- Weight:
- 5.75 LBS
- MFG Part #:
- 65050
$156.99 -
PEM Premium Quick Change Gears 65033A
PEM
$156.99Quick-change gear sets eliminate downtime between races and test sessions—swap ratios in minutes without breaking down your entire differential. The PEM 65033A delivers two competition-proven ratios...PEM65033A- SKU:
- PEM65033A
- Availability:
- Ships Same Business Day
- Weight:
- 5.58 LBS
- MFG Part #:
- 65033A
$156.99 -
PEM Premium Quick Change Gears 65021
PEM
$156.99Quick change gear sets are essential for racers who demand flexibility between track configurations without pulling the entire differential. The PEM Premium Quick Change Gears 65021 deliver...PEM65021- SKU:
- PEM65021
- Availability:
- Ships Same Business Day
- Weight:
- 5.08 LBS
- MFG Part #:
- 65021
$156.99 -
PEM Premium Quick Change Gears 65002
PEM
$156.99Quick change gear sets are essential for racers who demand flexibility between track conditions and competition formats without breaking the engine down. The PEM Premium Quick Change Gears 65002 lets...PEM65002- SKU:
- PEM65002
- Availability:
- Ships Same Business Day
- Weight:
- 4.57 LBS
- MFG Part #:
- 65002
$156.99 -
PEM Standard Quick Change Gears 61035
PEM
$80.99Quick-change gear sets eliminate the guesswork when you need to dial in your final drive ratio for different track conditions or racing applications. With dual ratio options in a single set, you can...PEM61035- SKU:
- PEM61035
- Availability:
- Ships Same Business Day
- Weight:
- 6.51 LBS
- MFG Part #:
- 61035
$80.99 -
PEM Standard Quick Change Gears 61032Q
PEM
$80.99Quick-change gears eliminate the need for complete differential teardowns between races, saving you critical prep time and reducing the risk of costly assembly errors. The PEM 61032Q set delivers...PEM61032Q- SKU:
- PEM61032Q
- Availability:
- Ships Same Business Day
- Weight:
- 6.58 LBS
- MFG Part #:
- 61032Q
$80.99 -
PEM Standard Quick Change Gears 61029
PEM
$80.99Quick-change gears are essential for racers and track enthusiasts who demand flexibility without breaking the bank on multiple rear end assemblies. This PEM Standard set gives you two proven gear...PEM61029- SKU:
- PEM61029
- Availability:
- Ships Same Business Day
- Weight:
- 6.57 LBS
- MFG Part #:
- 61029
$80.99 -
PEM Standard Quick Change Gears 61024
PEM
$80.99Quick change gear sets are essential for racers who demand flexibility without downtime. This PEM Standard set lets you swap ratios between rounds or sessions, giving you the precision tuning needed...PEM61024- SKU:
- PEM61024
- Availability:
- Ships Same Business Day
- Weight:
- 6.73 LBS
- MFG Part #:
- 61024
$80.99 -
PEM Standard Quick Change Gears 61023
PEM
$80.99Quick-change gear sets eliminate downtime between races by letting you swap ratios in minutes instead of hours. Whether you're fine-tuning for different track conditions or running multiple events,...PEM61023- SKU:
- PEM61023
- Availability:
- Ships Same Business Day
- Weight:
- 6.67 LBS
- MFG Part #:
- 61023
$80.99 -
PEM Standard Quick Change Gears 61022
PEM
$80.99Quick-change gear sets are essential for racers who demand precision and efficiency in the pits. This PEM Standard set delivers two critical gear ratios in a single, easy-to-swap package, eliminating...PEM61022- SKU:
- PEM61022
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- MFG Part #:
- 61022
$80.99 -
PEM Standard Quick Change Gears 61018Q
PEM
$80.99Quick change rear end gears let you dial in the perfect ratio for different track conditions without pulling the entire differential—saving hours of downtime between race events. The PEM Standard...PEM61018Q- SKU:
- PEM61018Q
- Availability:
- Ships Same Business Day
- Weight:
- 6.44 LBS
- MFG Part #:
- 61018Q
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61017
PEM
$80.99Quick change gear sets are essential for racers and serious enthusiasts who need to optimize their differential ratios for different track conditions or racing classes without pulling the entire...PEM61017- SKU:
- PEM61017
- Availability:
- Ships Same Business Day
- Weight:
- 6.38 LBS
- MFG Part #:
- 61017
$80.99 -
PEM Standard Quick Change Gears 61016
PEM
$80.99Quick change gears are essential for racers and serious enthusiasts who need to optimize performance across different track conditions and racing series without investing in multiple differentials...PEM61016- SKU:
- PEM61016
- Availability:
- Ships Same Business Day
- Weight:
- 6.53 LBS
- MFG Part #:
- 61016
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61014
PEM
$80.99Quick change gear sets are essential for racers and track enthusiasts who demand flexibility without chassis teardown. The PEM 61014 delivers two distinct gear ratios in a single, bolt-on package,...PEM61014- SKU:
- PEM61014
- Availability:
- Ships Same Business Day
- Weight:
- 6.55 LBS
- MFG Part #:
- 61014
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61012
PEM
$80.99Quick change gears are essential for racers who demand flexibility across different track conditions and racing classes without the downtime of a full differential swap. The PEM Standard Quick Change...PEM61012- SKU:
- PEM61012
- Availability:
- Ships Same Business Day
- Weight:
- 6.39 LBS
- MFG Part #:
- 61012
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
PEM Standard Quick Change Gears 61009
PEM
$80.99Quick change gear sets eliminate the guesswork when dialing in your final drive ratio for different track conditions or racing formats. With two distinct ratios in a single set, you can optimize...PEM61009- SKU:
- PEM61009
- Availability:
- Ships Same Business Day
- Weight:
- 6.56 LBS
- MFG Part #:
- 61009
$80.99Qty in Cart: 0Quantity:Price:$80.99Subtotal: -
4.86 Ratio 9in Ford F890486
MOTIVE GEAR
$369.99A 4.86 gear ratio transforms your Ford 9-inch differential into a tire-spinning, acceleration-focused powerhouse—essential for drag racing, street performance, or any build prioritizing launch...MOTF890486- SKU:
- MOTF890486
- Availability:
- Ships Same Business Day
- Weight:
- 19.15 LBS
- MFG Part #:
- F890486
$369.99
