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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PST Slip Yoke 5.5in 27 Spline 100001
PRECISION SHAFT TECHNOLOGIES
$51.99A quality slip yoke is fundamental to any driveline system—it allows your transmission output shaft to move with suspension articulation while maintaining smooth power delivery. Whether you're...PST100001- SKU:
- PST100001
- Availability:
- Ships Same Business Day
- Weight:
- 2.11 LBS
- MFG Part #:
- 100001
$51.99Qty in Cart: 0Quantity:Price:$51.99Subtotal: -
Chromoly Flexplate - SFI SBC 168T - Ext. Balance 1840000
PRW INDUSTRIES, INC.
$100.18A flexplate is critical to your drivetrain's reliability, especially in high-RPM applications where standard components fail. This chromoly flexplate is engineered for external balance Small Block...PQX1840000- SKU:
- PQX1840000
- Availability:
- Ships Same Business Day
- Weight:
- 7.39 LBS
- MFG Part #:
- 1840000
$100.18 -
PEM 9in Floater w/ Steel 5x5 Hubs 62in Centered PEMHNK3103105
PEM
$1,231.99A properly engineered floater housing is essential for high-performance applications that demand reliability under extreme loads. This fully assembled PEM 9-inch floater eliminates guesswork with...PEMHNK3103105- SKU:
- PEMHNK3103105
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- HNK3103105
$1,231.99 -
PEM Drive Flange Kit 5x5 w/ Cap GNDFK5X5
PEM
$103.99If you're running a competitive drag or circle-track program, your hub assembly needs to handle extreme loads and repeated thermal cycles without compromise. The PEM Drive Flange Kit 5x5 w/ Cap...PEMGNDFK5X5- SKU:
- PEMGNDFK5X5
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MFG Part #:
- GNDFK5X5
$103.99 -
PEM Drive Flange Kit 5x4-3/4 w/ Cap GNDFK5X43/4
PEM
$105.99If you're running a serious drag racing or oval track program, your rear end assembly needs a drive flange that can handle consistent, high-torque loads without compromise. This PEM Drive Flange Kit...PEMGNDFK5X43/4- SKU:
- PEMGNDFK5X43/4
- Availability:
- Ships Same Business Day
- Weight:
- 3.50 LBS
- MFG Part #:
- GNDFK5X43/4
$105.99 -
PEM 9in Gear Full Spool 5.67 Ratio New Center Section CSFS56731
PEM
$768.99A full spool differential eliminates wheel spin and delivers power to both rear wheels simultaneously—essential for drag racing, circle track, and high-traction applications where consistent...PEMCSFS56731- SKU:
- PEMCSFS56731
- Availability:
- Ships Same Business Day
- Weight:
- 42.00 LBS
- MFG Part #:
- CSFS56731
$768.99 -
PEM 9in Gear Full Spool 5.43 Ratio New Center Section CSFS54331
PEM
$768.99If you're serious about drag racing or high-performance street applications, a full spool delivers the straight-line acceleration and launch consistency you need—no wheel spin, no power loss to...PEMCSFS54331- SKU:
- PEMCSFS54331
- Availability:
- Ships Same Business Day
- Weight:
- 42.00 LBS
- MFG Part #:
- CSFS54331
$768.99 -
PEM 9in Gear Full Spool 5.29 Ratio New Center Section CSFS52931
PEM
$768.99A full spool eliminates differential action, delivering maximum traction and acceleration off the line—essential for drag racing, circle track, and high-grip motorsports where wheel spin costs you...PEMCSFS52931- SKU:
- PEMCSFS52931
- Availability:
- Ships Same Business Day
- Weight:
- 41.00 LBS
- MFG Part #:
- CSFS52931
$768.99Qty in Cart: 0Quantity:Price:$768.99Subtotal: -
PEM 9in Gear Full Spool 5.14 Ratio New Center Section CSFS51431
PEM
$768.99A 5.14 gear ratio in a full spool delivers aggressive acceleration and consistent power delivery on the track or strip—ideal for dedicated drag racing setups where every tenth counts. The steel spool...PEMCSFS51431- SKU:
- PEMCSFS51431
- Availability:
- Ships Same Business Day
- Weight:
- 42.00 LBS
- MFG Part #:
- CSFS51431
$768.99 -
PEM Premium Quick Change Gears 65043
PEM
$156.99Quick change gear sets are essential for racers and serious track enthusiasts who demand flexibility between events and conditions. The PEM Premium Quick Change Gears 65043 deliver two distinct ratio...PEM65043- SKU:
- PEM65043
- Availability:
- Ships Same Business Day
- Weight:
- 5.16 LBS
- MFG Part #:
- 65043
$156.99 -
PEM Premium Quick Change Gears 65041
PEM
$156.99Quick change gear sets eliminate the downtime and labor costs of traditional gear swaps, letting you dial in your setup between rounds without breaking the bank on specialized tools or fabrication...PEM65041- SKU:
- PEM65041
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
- MFG Part #:
- 65041
$156.99 -
PEM Premium Quick Change Gears 65036
PEM
$156.99Quick change gear sets are essential for racers who demand flexibility across multiple racing formats and track conditions. The PEM Premium Quick Change Gears 65036 lets you swap ratios in minutes...PEM65036- SKU:
- PEM65036
- Availability:
- Ships Same Business Day
- Weight:
- 5.09 LBS
- MFG Part #:
- 65036
$156.99 -
PEM Premium Quick Change Gears 65035
PEM
$156.99Quick change gear sets eliminate downtime between track sessions by letting you swap ratios in minutes instead of hours. Whether you're dialing in your setup across different courses or maximizing...PEM65035- SKU:
- PEM65035
- Availability:
- Ships Same Business Day
- Weight:
- 5.17 LBS
- MFG Part #:
- 65035
$156.99Qty in Cart: 0Quantity:Price:$156.99Subtotal: -
PEM Premium Quick Change Gears 65034
PEM
$156.99Quick change gears are essential for racers who need to optimize their final drive ratio between sessions without dropping the entire rear end. The PEM Premium Quick Change Gears 65034 deliver the...PEM65034- SKU:
- PEM65034
- Availability:
- Ships Same Business Day
- Weight:
- 5.27 LBS
- MFG Part #:
- 65034
$156.99 -
PEM Premium Quick Change Gears 65032A
PEM
$156.99Quick-change gear sets are essential for racers who need to optimize performance across different track conditions and competition formats without breaking the bank on multiple differentials. The PEM...PEM65032A- SKU:
- PEM65032A
- Availability:
- Ships Same Business Day
- Weight:
- 4.99 LBS
- MFG Part #:
- 65032A
$156.99 -
PEM Premium Quick Change Gears 65032
PEM
$156.99Quick-change gear sets are essential for racers who demand flexibility between track sessions and competition runs. The PEM Premium Quick Change Gears 65032 deliver precision-engineered ratios...PEM65032- SKU:
- PEM65032
- Availability:
- Ships Same Business Day
- Weight:
- 5.17 LBS
- MFG Part #:
- 65032
$156.99 -
PEM Premium Quick Change Gears 65031A
PEM
$156.99Quick change gears 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 in a...PEM65031A- SKU:
- PEM65031A
- Availability:
- Ships Same Business Day
- Weight:
- 4.94 LBS
- MFG Part #:
- 65031A
$156.99 -
PEM Premium Quick Change Gears 65031
PEM
$156.99Quick-change gear sets eliminate downtime between races and testing sessions, letting you swap ratios in minutes instead of hours. The PEM 65031 delivers the precision engineering and durability...PEM65031- SKU:
- PEM65031
- Availability:
- Ships Same Business Day
- Weight:
- 5.66 LBS
- MFG Part #:
- 65031
$156.99 -
PEM Premium Quick Change Gears 65030
PEM
$156.99Quick change gears are essential for racers and tuners who need to optimize performance across different track conditions or racing series without rebuilding the entire differential. The PEM Premium...PEM65030- SKU:
- PEM65030
- Availability:
- Ships Same Business Day
- Weight:
- 5.61 LBS
- MFG Part #:
- 65030
$156.99 -
PEM Premium Quick Change Gears 65029
PEM
$156.99Quick change gear sets are essential for racers who demand flexibility across multiple track configurations without swapping entire differentials. The PEM Premium Quick Change Gears 65029 delivers...PEM65029- SKU:
- PEM65029
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 65029
$156.99
