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 Return Spring 79069
BRINN TRANSMISSION
$6.99Return Spring Idle Gear SpringSteelBrinn BellhousingEachBRI79069- SKU:
- BRI79069
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- 79069
$6.99 -
Brinn Idler Gear Bushing 79066
BRINN TRANSMISSION
$8.99Idler Gear Bushing Idler Gear BushingBrinn TransmissionEachBRI79066- SKU:
- BRI79066
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 79066
$8.99 -
Brinn Belt Retainer Plate 79064
BRINN TRANSMISSION
$23.99Belt Retainer Plate Belt Guide1/8 in ThickBolt-On3 in DiameterAluminumNaturalBrinn TransmissionEachBRI79064- SKU:
- BRI79064
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 79064
$23.99Qty in Cart: 0Quantity:Price:$23.99Subtotal: -
Brinn Idler Shaft Plate 79052
BRINN TRANSMISSION
$46.99Idler Shaft Plate Bellhousing PlateAluminumNaturalBrinn TransmissionsEachBRI79052- SKU:
- BRI79052
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 79052
$46.99 -
Brinn Idler Shaft 79051
BRINN TRANSMISSION
$38.99Idler Shaft Idler Gear ShaftSteelBrinn BellhousingEachBRI79051- 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
$242.99Trans Yoke Extra Long 1330Slip Yoke27 Spline8.000 in LongSteelNatural700R4 / TH350 / Bert / Brinn / Muncie / SaginawEachBRI74038- SKU:
- BRI74038
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- MFG Part #:
- 74038
$242.99 -
Brinn Dog Ring high-Low Std 74021
BRINN TRANSMISSION
$184.99Dog Ring high-Low Std Transmission Dog RingHigh-LowSteelBrinn Original TransmissionsEachBRI74021- SKU:
- BRI74021
- Availability:
- Ships Same Business Day
- Weight:
- 1.17 LBS
- MFG Part #:
- 74021
$184.99 -
Brinn Input Shaft 74020
BRINN TRANSMISSION
$459.99Input Shaft Transmission Input ShaftSteelBrinn TransmissionsEachBRI74020- SKU:
- BRI74020
- Availability:
- Ships Same Business Day
- Weight:
- 3.82 LBS
- MFG Part #:
- 74020
$459.99 -
Brinn Output Shaft 74010
BRINN TRANSMISSION
$452.99Output Shaft Transmission Output ShaftSteelBrinn TransmissionsEachBRI74010- SKU:
- BRI74010
- Availability:
- Ships Same Business Day
- Weight:
- 5.83 LBS
- MFG Part #:
- 74010
$452.99 -
Brinn Driven Gear 74002
BRINN TRANSMISSION
$202.99Driven Gear Transmission Mesh GearSteelNaturalBrinn TransmissionsEachBRI74002- 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
$86.99Chevy Steel Drive Flange For 1 Pc RMCrankshaft Coupler10 SplineSteelNaturalBrinn Transmissions1 Piece SealChevy V8EachBRI73056- SKU:
- BRI73056
- Availability:
- Ships Same Business Day
- Weight:
- 2.90 LBS
- MFG Part #:
- 73056
$86.99 -
Brinn Chevy Alum. Drive Flange 73055
BRINN TRANSMISSION
$93.99Chevy Alum. Drive Flange Crankshaft Coupler10 SplineAluminumNaturalBrinn Transmissions1 Piece SealChevy V8EachBRI73055- SKU:
- BRI73055
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- MFG Part #:
- 73055
$93.99 -
Brinn Aluminum Drive Flange SB Ford 73033
BRINN TRANSMISSION
$92.99Aluminum Drive Flange SB FordCrankshaft Coupler10 SplineAluminumNaturalBrinn TransmissionsFord V8EachBRI73033- SKU:
- BRI73033
- Availability:
- Ships Same Business Day
- Weight:
- 1.17 LBS
- MFG Part #:
- 73033
$92.99Qty in Cart: 0Quantity:Price:$92.99Subtotal: -
Brinn Aluminum Drive Flange 73032
BRINN TRANSMISSION
$92.99Aluminum Drive Flange Crankshaft Coupler10 SplineAluminumNaturalBrinn Transmissions2 Piece SealChevy V8EachBRI73032- SKU:
- BRI73032
- Availability:
- Ships Same Business Day
- Weight:
- 1.29 LBS
- MFG Part #:
- 73032
$92.99 -
Brinn Shift Lever High-Low 73024
BRINN TRANSMISSION
$22.99Shift Lever High-Low Shifter ArmHigh / Low GearSteelCadmiumBrinn TransmissionsEachBRI73024- SKU:
- BRI73024
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- MFG Part #:
- 73024
$22.99 -
Brinn Shift Lever Reverse 73021
BRINN TRANSMISSION
$21.99Shift Lever Reverse Shifter ArmReverseSteelCadmiumBrinn TransmissionsEachBRI73021- SKU:
- BRI73021
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- MFG Part #:
- 73021
$21.99 -
Brinn Cylinder Housing 73013
BRINN TRANSMISSION
$45.99Cylinder Housing Slave Cylinder HousingAluminumBrinn TransmissionsEachBRI73013- SKU:
- BRI73013
- Availability:
- Ships Same Business Day
- Weight:
- 0.62 LBS
- MFG Part #:
- 73013
$45.99 -
Brinn Int. Shaft Guide Shaft 73010
BRINN TRANSMISSION
$65.99Int. Shaft Guide Shaft Counter ShaftSteelBrinn TransmissionsEachBRI73010- SKU:
- BRI73010
- Availability:
- Ships Same Business Day
- Weight:
- 1.02 LBS
- MFG Part #:
- 73010
$65.99 -
Brinn Lower Shaft Thrust Washer 73009
BRINN TRANSMISSION
$31.99Lower Shaft Thrust WasherThrust Washer0.201 in ThickBrinn TransmissionEachBRI73009- SKU:
- BRI73009
- Availability:
- Ships Same Business Day
- Weight:
- 0.31 LBS
- MFG Part #:
- 73009
$31.99 -
Brinn Forward Clutch Ring 73007
BRINN TRANSMISSION
$23.99Forward Clutch Ring Clutch SpacerAluminumNaturalBert TransmissionsEachBRI73007- SKU:
- BRI73007
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- 73007
$23.99