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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Brinn Idler Shaft Plate 79052
BRINN TRANSMISSION
$46.99Keep your Brinn transmission running at peak performance with the Brinn Idler Shaft Plate (MPN: 79052) — a precision-engineered component built to handle the demands of serious racing applications...BRI79052- SKU:
- BRI79052
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 79052
$46.99 -
Brinn Idler Shaft 79051
BRINN TRANSMISSION
$38.99The Brinn Idler Shaft 79051 is engineered to maintain precise gear alignment and reduce parasitic drag in high-performance supercharger applications. This steel construction idler gear shaft delivers...BRI79051- SKU:
- BRI79051
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- MFG Part #:
- 79051
$38.99 -
Brinn Trans Yoke Extra Long 1330 74038
BRINN TRANSMISSION
$242.99A quality transmission slip yoke is essential for reliable power transfer and driveline stability, especially in high-performance applications where vibration and wear can compromise your entire...BRI74038- SKU:
- BRI74038
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- MFG Part #:
- 74038
$242.99Qty in Cart: 0Quantity:Price:$242.99Subtotal: -
Brinn Dog Ring high-Low Std 74021
BRINN TRANSMISSION
$184.99If you're running a Brinn Original transmission in competition, a worn or damaged dog ring compromises shift engagement and reliability when you need it most. This OEM-spec dog ring ensures positive...BRI74021- SKU:
- BRI74021
- Availability:
- Ships Same Business Day
- Weight:
- 1.17 LBS
- MFG Part #:
- 74021
$184.99 -
Brinn Input Shaft 74020
BRINN TRANSMISSION
$459.99A Brinn transmission input shaft is the critical first point of engagement in your drivetrain, directly affecting power delivery, shift quality, and overall drivetrain durability. Whether you're...BRI74020- SKU:
- BRI74020
- Availability:
- Ships Same Business Day
- Weight:
- 3.82 LBS
- MFG Part #:
- 74020
$459.99 -
Brinn Output Shaft 74010
BRINN TRANSMISSION
$452.99The Brinn Output Shaft 74010 is a critical drivetrain component engineered for the demanding requirements of high-performance racing transmissions. Whether you're rebuilding a Brinn transmission or...BRI74010- SKU:
- BRI74010
- Availability:
- Ships Same Business Day
- Weight:
- 5.83 LBS
- MFG Part #:
- 74010
$452.99 -
Brinn Driven Gear 74002
BRINN TRANSMISSION
$202.99A transmission's performance is only as good as its internal components, and the Brinn Driven Gear (74002) is engineered to deliver consistent mesh engagement and reliable power transfer under...BRI74002- SKU:
- BRI74002
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- MFG Part #:
- 74002
$202.99 -
Brinn Chevy Steel Drive Flange For 1 Pc RM 73056
BRINN TRANSMISSION
$86.99The Brinn Chevy Steel Drive Flange is a precision crankshaft coupler engineered to deliver reliable power transfer in high-performance Chevy V8 applications. When you're running a serious engine...BRI73056- SKU:
- BRI73056
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- MFG Part #:
- 73056
$86.99 -
Brinn Chevy Alum. Drive Flange 73055
BRINN TRANSMISSION
$93.99If you're running a high-performance Chevy V8 with a manual transmission or supercharger application, a quality crankshaft coupler is essential for reliable power transfer and longevity. The Brinn...BRI73055- SKU:
- BRI73055
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- MFG Part #:
- 73055
$93.99 -
Brinn Aluminum Drive Flange 73032
BRINN TRANSMISSION
$93.99The Brinn Aluminum Drive Flange is engineered to provide a lightweight, reliable connection between your crankshaft and transmission in high-performance Chevy V8 applications. By reducing rotational...BRI73032- SKU:
- BRI73032
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
- MFG Part #:
- 73032
$93.99 -
Brinn Shift Lever High-Low 73024
BRINN TRANSMISSION
$22.99If you're running a Brinn transmission in competition or high-performance applications, reliable shift actuation is non-negotiable. This Brinn Shift Lever handles the demanding task of engaging high...BRI73024- SKU:
- BRI73024
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- MFG Part #:
- 73024
$22.99 -
Brinn Shift Lever Reverse 73021
BRINN TRANSMISSION
$22.99If you're running a manual transmission setup that demands reliability under high-load shifting, the Brinn Shift Lever Reverse 73021 is engineered to deliver consistent, precise reverse engagement...BRI73021- SKU:
- BRI73021
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- MFG Part #:
- 73021
$22.99 -
Brinn Cylinder Housing 73013
BRINN TRANSMISSION
$45.99Brinn's cylinder housing is engineered for clutch actuation systems that demand precision and reliability under racing conditions. This aluminum slave cylinder housing provides the structural...BRI73013- SKU:
- BRI73013
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- MFG Part #:
- 73013
$45.99 -
Brinn Int. Shaft Guide Shaft 73010
BRINN TRANSMISSION
$65.99If you're running a Brinn transmission setup, the integrity of your counter shaft assembly directly impacts your shift quality and overall drivetrain reliability. This OEM-spec shaft guide maintains...BRI73010- SKU:
- BRI73010
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- MFG Part #:
- 73010
$65.99 -
Brinn Lower Shaft Thrust Washer 73009
BRINN TRANSMISSION
$31.99Thrust washers are critical wear components in high-performance transmissions, and the Brinn Lower Shaft Thrust Washer 73009 is engineered to maintain precise shaft clearances under extreme load...BRI73009- SKU:
- BRI73009
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- 73009
$31.99 -
Brinn Forward Clutch Ring 73007
BRINN TRANSMISSION
$25.99The Brinn Forward Clutch Ring is a precision-engineered spacer that ensures proper clutch engagement and optimal power transfer in Bert transmissions. This aluminum component maintains critical...BRI73007- SKU:
- BRI73007
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- 73007
$25.99 -
Brinn Inside Lever 73003
BRINN TRANSMISSION
$40.99Precise gear selection is non-negotiable in high-performance racing, and the Brinn Inside Lever delivers the direct mechanical advantage your transmission demands. This steel shift lever kit ensures...BRI73003- SKU:
- BRI73003
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- MFG Part #:
- 73003
$40.99 -
Brinn First High Shift Fork 73002
BRINN TRANSMISSION
$44.99Precision shift engagement is critical in high-performance racing, and the Brinn First High Shift Fork 73002 is engineered to deliver reliable, consistent gear selection under extreme conditions...BRI73002- SKU:
- BRI73002
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- MFG Part #:
- 73002
$44.99 -
Brinn Tail Housing Assembly For 70001 72024
BRINN TRANSMISSION
$349.99The Brinn Tail Housing Assembly is essential for completing your 70001 transmission build with a robust, precision-engineered tailshaft solution. This complete kit eliminates the guesswork of...BRI72024- SKU:
- BRI72024
- Availability:
- Ships Same Business Day
- Weight:
- 7.07 LBS
- MFG Part #:
- 72024
$349.99 -
Brinn Front Bearing Retainer 72004
BRINN TRANSMISSION
$31.99The front bearing retainer is a critical component in your transmission assembly, providing essential support and alignment for smooth gear engagement and extended drivetrain longevity. A quality...BRI72004- SKU:
- BRI72004
- Availability:
- Ships Same Business Day
- Weight:
- 0.52 LBS
- MFG Part #:
- 72004
$31.99
