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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SCS Quick Change Gear Set 34
SCS GEARS
$187.99Quick Change Gear SetProfessionalSet 3410 Spline4.11 Ratio 5.63 / 3.004.86 Ratio 6.65 / 3.55SteelEachSCS34- SKU:
- SCS34
- Availability:
- Ships Same Business Day
- Weight:
- 5.06 LBS
- MFG Part #:
- 34
$187.99Qty in Cart: 0Quantity:Price:$187.99Subtotal: -
SCS Quick Change Gear Set 27
SCS GEARS
$187.99Quick Change Gear SetProfessionalSet 2710 Spline4.11 Ratio 6.35 / 2.664.86 Ratio 7.51 / 3.15SteelEachSCS27- SKU:
- SCS27
- Availability:
- Ships Same Business Day
- Weight:
- 4.73 LBS
- MFG Part #:
- 27
$187.99Qty in Cart: 0Quantity:Price:$187.99Subtotal: -
SCS Quick Change Gear Set 23
SCS GEARS
$187.99Quick Change Gear SetProfessionalSet 2310 Spline4.11 Ratio 6.16 / 2.744.86 Ratio 7.29 / 3.24SteelEachSCS23- SKU:
- SCS23
- Availability:
- Ships Same Business Day
- Weight:
- 4.93 LBS
- MFG Part #:
- 23
$187.99Qty in Cart: 0Quantity:Price:$187.99Subtotal: -
SCS Quick Change Gear Set 19
SCS GEARS
$187.99Quick Change Gear SetProfessionalSet 1910 Spline4.11 Ratio 4.89 / 3.454.86 Ratio 5.78 / 4.08SteelEachSCS19- SKU:
- SCS19
- Availability:
- Ships Same Business Day
- Weight:
- 5.22 LBS
- MFG Part #:
- 19
$187.99Qty in Cart: 0Quantity:Price:$187.99Subtotal: -
SCS Quick Change Gear Set 12
SCS GEARS
$187.99Quick Change Gear SetProfessionalSet 1210 Spline4.11 Ratio 4.58 / 3.684.86 Ratio 5.42 / 4.36SteelEachSCS12- SKU:
- SCS12
- Availability:
- Ships Same Business Day
- Weight:
- 4.66 LBS
- MFG Part #:
- 12
$187.99Qty in Cart: 0Quantity:Price:$187.99Subtotal: -
SCS Sportsman QC Gear Set 1017
SCS GEARS
$103.99Quick Change Gear SetSportsmanSet 1710 Spline4.11 Ratio 4.76 / 3.554.86 Ratio 5.63 / 4.19SteelEachSCS1017- SKU:
- SCS1017
- Availability:
- Ships Same Business Day
- Weight:
- 6.32 LBS
- MFG Part #:
- 1017
$103.99Qty in Cart: 0Quantity:Price:$103.99Subtotal: -
SCS Sportsman QC Gear Set 1014
SCS GEARS
$103.99Quick Change Gear SetSportsmanSet 1410 Spline4.11 Ratio 5.72 / 2.954.86 Ratio 6.76 / 3.50SteelEachSCS1014- SKU:
- SCS1014
- Availability:
- Ships Same Business Day
- Weight:
- 6.40 LBS
- MFG Part #:
- 1014
$103.99Qty in Cart: 0Quantity:Price:$103.99Subtotal: -
SCS Quick Change Gear Set 1
SCS GEARS
$187.99Quick Change Gear SetProfessionalSet 110 Spline4.11 Ratio 4.11 / 4.114.86 Ratio 4.86 / 4.86SteelEachSCS01- SKU:
- SCS01
- Availability:
- Ships Same Business Day
- Weight:
- 4.79 LBS
- MFG Part #:
- 1
$187.99Qty in Cart: 0Quantity:Price:$187.99Subtotal: -
RAM Clutch 6.25" Assault Weapon Series 3-Puck Metallic Clutch Disc Set 9953-3
RAM CLUTCH
$279.00The RAM Clutch 6.25" Assault Weapon Series 3-Puck Metallic Clutch Disc Set 9953-3 is engineered for high-performance applications, offering exceptional durability and responsiveness. Designed for use with GM 1 1/8-26 spline systems, this set includes...RAM9953-3- SKU:
- RAM9953-3
- Availability:
- Ships Same Business Day
- Weight:
- 2.74 LBS
- MFG Part #:
- 9953-3
$279.00Qty in Cart: 0Quantity:Price:$279.00Subtotal: -
Pressure Plate 10.5 GM Oval Track 2800lbs. 401CT
RAM CLUTCH
$199.00Clutch Pressure PlateStock Rule10.50 in DiameterSteelGMEachRAM401CT- SKU:
- RAM401CT
- Availability:
- Ships Same Business Day
- Weight:
- 19.00 LBS
- MFG Part #:
- 401CT
$199.00Qty in Cart: 0Quantity:Price:$199.00Subtotal: -
Solid Hub Organic Clutch Disc Chevy 251
RAM CLUTCH
$107.00Clutch Disc200 Series10-1/2 in Diameter1-1/8 in x 10 SplineRigid HubOrganicUniversalEachRAM251- SKU:
- RAM251
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
- MFG Part #:
- 251
$107.00Qty in Cart: 0Quantity:Price:$107.00Subtotal: -
Quarter Master Gear Set #21Q 911533
QUARTER MASTER
$225.57Quick Change Gear SetUltra-DutySet 21Q10 Spline4.11 Ratio 6.30 / 2.684.86 Ratio 7.45 / 3.17SteelEachQTR911533- SKU:
- QTR911533
- Availability:
- Ships Same Business Day
- Weight:
- 5.77 LBS
- MFG Part #:
- 911533
$225.57Qty in Cart: 0Quantity:Price:$225.57Subtotal: -
Quarter Master Gear Set #37 911476
QUARTER MASTER
$225.57Quick Change Gear SetUltra-DutySet 3710 Spline4.11 Ratio 6.07 / 2.784.86 Ratio 7.17 / 3.29SteelEachQTR911476- SKU:
- QTR911476
- Availability:
- Ships Same Business Day
- Weight:
- 5.46 LBS
- MFG Part #:
- 911476
$225.57Qty in Cart: 0Quantity:Price:$225.57Subtotal: -
Quarter Master Gear Set #09 911211
QUARTER MASTER
$225.57Quick Change Gear SetUltra-DutySet 910 Spline4.11 Ratio 4.98 / 3.404.86 Ratio 5.88 / 4.01SteelEachQTR911211- SKU:
- QTR911211
- Availability:
- Ships Same Business Day
- Weight:
- 5.85 LBS
- MFG Part #:
- 911211
$225.57Qty in Cart: 0Quantity:Price:$225.57Subtotal: -
Quarter Master Flexplate 153T SBC Late No Balance LW 509181
QUARTER MASTER
$160.58FlexplateUltra-Lightweight153 ToothSteelInternal Balance1 Piece SealChevyEachQTR509181- SKU:
- QTR509181
- Availability:
- Ships Same Business Day
- Weight:
- 2.94 LBS
- MFG Part #:
- 509181
$160.58Qty in Cart: 0Quantity:Price:$160.58Subtotal: -
Quarter Master Button Flywheel LS 7.25in 509150
QUARTER MASTER
$341.59FlywheelButton StyleSteel7.25 in Quarter Master Optimum-V ClutchesInternal BalanceGM LS-SeriesEachQTR509150- SKU:
- QTR509150
- Availability:
- Ships Same Business Day
- Weight:
- 3.75 LBS
- MFG Part #:
- 509150
$341.59Qty in Cart: 0Quantity:Price:$341.59Subtotal: -
Quarter Master Flywheel Bert 110 Tooth Chevy/Ford Late 509134
QUARTER MASTER
$245.54Flywheel110 ToothNeutral BalanceSteelQuarter Master Street Stock Clutches1 Piece SealChevyEachQTR509134- SKU:
- QTR509134
- Availability:
- Ships Same Business Day
- Weight:
- 2.21 LBS
- MFG Part #:
- 509134
$245.54Qty in Cart: 0Quantity:Price:$245.54Subtotal: -
Quarter Master Flywheel 7.25in SBC L/W Blank Bolt Pattern 50911009SC
QUARTER MASTER
$155.50FlywheelButton StyleExternal BalanceSteel7-1/4 in Quarter Master Clutches1 Piece SealChevyEachQTR50911009SC- SKU:
- QTR50911009SC
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
- MFG Part #:
- 50911009SC
$155.50Qty in Cart: 0Quantity:Price:$155.50Subtotal: -
Quarter Master 5.5 Button Flywheel Pro & V-Drive Ext. Balance 505171SCZZ
QUARTER MASTER
$267.63FlywheelButton StyleExternal BalanceSteel5-1/2 in Quarter Master Pro-Series / V-Drive Clutches1 Piece SealChevyEachQTR505171SCZZ- SKU:
- QTR505171SCZZ
- Availability:
- Ships Same Business Day
- Weight:
- 2.96 LBS
- MFG Part #:
- 505171SCZZ
$267.63Qty in Cart: 0Quantity:Price:$267.63Subtotal: -
Quarter Master 7.25 Pro Clutch 10SP 3 Disc Pre-86 399108
QUARTER MASTER
$1,038.85Clutch KitPro-SeriesTriple Disc7-1/4 in Diameter1-1/8 in x 10 SplineRigid HubFlywheelCeramic2 Piece SealChevyKitQTR399108- SKU:
- QTR399108
- Availability:
- Ships Same Business Day
- Weight:
- 16.92 LBS
- MFG Part #:
- 399108
$1,038.85Qty in Cart: 0Quantity:Price:$1,038.85Subtotal: