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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PEM Quick Change Assembly 4.86 5x5 Hubs Axles QCKSTGN5-486-60CP
PEM
$2,399.99Rear Axle Assembly Centered Pinion 10 in Ring Gear 4.86 Ratio Standard Hubs / Rotors 60 in Wide KitPEMQCKSTGN-486-60CP- SKU:
- PEMQCKSTGN-486-60CP
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$2,399.99 -
Falcon Transmission Kit for 2-Piece Rear Main Seal Kit
J J MOTORSPORTS
$1,962.46Kit Includes: Winter Falcon Transmission Crankshaft Coupler (2 piece rear main seal) Input Shaft ARP Crankshaft Coupler Bolts 1 Quart Valvoline Type F Fluid 60" Hose234-9027- SKU:
- 234-9027
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$1,962.46 -
Bert LMZ Transmission Kit for 1 Piece Rear Main Seal
J J MOTORSPORTS
$5.00Bert LMZ Transmission Kit for 1 Piece Rear Main Seal234-9031- SKU:
- 234-9031
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$5.00Qty in Cart: 0Quantity:Price:$5.00Subtotal: -
Bert LMZ Transmission Kit for 2 Piece Rear Main Seal
J J MOTORSPORTS
$2,451.95Bert LMZ Transmission Kit for 2 Piece Rear Main Seal Kit Includes: Bert LMZ Transmission Crankshaft Coupler (2 piece rear main seal) ARP Crankshaft Coupler Bolts Valvoline Type F 60" Line234-9030- SKU:
- 234-9030
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$2,451.95 -
Brinn Transmission Kit for 1 Piece Rear Main Seal
J J MOTORSPORTS
$2,601.14Kit Includes: Brinn Transmission (70001) Crankshaft Coupler (1 piece rear main seal) ARP Crankshaft Coupler Bolts 60" Line -4 AN to 1/8 NPT Fitting Brinn Fluid234-9029- SKU:
- 234-9029
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$2,601.14 -
Brinn Transmission Kit for 2 Piece Rear Main Seal
J J MOTORSPORTS
$2,609.64Kit Includes: Brinn Transmission (70001) Crankshaft Coupler (2 piece rear main seal) ARP Crankshaft Coupler Bolts 60" Line -4 AN to 1/8 NPT Fitting Brinn Fluid234-9028- SKU:
- 234-9028
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$2,609.64 -
Falcon Transmission Kit for 1-Piece Rear Main Seal Kit
J J MOTORSPORTS
$2,056.45Kit Includes: Winter Falcon Transmission Crankshaft Coupler (1 piece rear main seal) Input Shaft ARP Crankshaft Coupler Bolts 1 Quart Valvoline Type F Fluid 60" Hose234-9026- SKU:
- 234-9026
- Availability:
- Ships Same Business Day
- Weight:
- 50.00 LBS
$2,056.45 -
Dirt Street Stock/Hobby Stock Floater Rear End 2.5" GN Kit
J J MOTORSPORTS
$1,351.45Kit Includes Floater Metric Housing 60" 2.5" Grand National (2) Wilwood Brake Rotors .810 x 11.75 (2) 31-Spline Solid Axles (2) 5x5 Rear Hub Kits Steel with 5/8-11 Studs (2) Wheel Hub Bearing Kits with Seals Lug Nuts Rotor Bolts234-9025- SKU:
- 234-9025
- Availability:
- Ships Same Business Day
- Weight:
- 100.00 LBS
$1,351.45 -
Allstar Performance Remote Fill Tank ALL36110
ALLSTAR PERFORMANCE
$66.99Remote Fill Tank Remote Fill TankFlush Mount10 AN OutletAluminumEachALL36110- SKU:
- ALL36110
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MFG Part #:
- ALL36110
$66.99 -
Allstar Performance 2 Lever Shifter Black ALL54120
ALLSTAR PERFORMANCE
$78.992 Lever Shifter Black Shifter Assembly2 LeverFloor MountAluminumBlack AnodizedUniversalKitALL54120- SKU:
- ALL54120
- Availability:
- Ships Same Business Day
- Weight:
- 2.62 LBS
- MFG Part #:
- ALL54120
$78.99 -
PEM New Stamped Floater Metric Housing 60in Cent HNMK3003005
PEM
$1,291.99Rear Axle HousingFord 9 in Floater60 in WideCentered3 in Tubes5 x 5 in Hub0.810 in Thick RotorsSteelNaturalEachPEMHNMK3003005- SKU:
- PEMHNMK3003005
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$1,291.99 -
PEM Quick Change Assembly No Tubes 4.86 QCNT-486
PEM
$1,698.99Quick Change Assembly No Tubes 4.86PEMQCNT-486- SKU:
- PEMQCNT-486
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$1,698.99 -
Winters Falcon Transmission Input Shaft 18 Spline Steel WIN62901
WINTERS
$103.99The Winters Falcon Transmission Input Shaft is a precision-engineered component designed for high-performance racing applications. Constructed from durable steel, this input shaft features 18 splines on both ends, ensuring a secure and reliable...WIN62901- SKU:
- WIN62901
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- MFG Part #:
- 62901
$103.99 -
Winters Falcon LM Transmission 2-Speed Manual Aluminum Case 18 Spline Input WIN60100
WINTERS
$1,906.99The Winters Falcon LM Transmission is a high-performance 2-speed manual transmission designed for late model racing applications. Featuring an aluminum case and an internal hydraulic clutch, it offers durability and efficient power transfer. This...WIN60100- SKU:
- WIN60100
- Availability:
- Ships Same Business Day
- Weight:
- 49.00 LBS
- MFG Part #:
- 60100
- Transmission Speeds:
- 2-Speed
- Input Shaft Spline Count:
- 18
- Output Shaft Spline Count:
- 27
- Bellhousing Included:
- No
- Yoke Included:
- No
- Shifter Included:
- No
- Case Material:
- Aluminum
- Gear Ratio (Low):
- 2.40:1
- Gear Ratio (High):
- 1.00:1
- Notes:
- 1.62"-18 spline input shaft. 1-3/16"-27 spline output shaft
$1,906.99 -
Allstar Performance Steel Axle Tube 5x5 2.5in Pin 30in ALL68256
ALLSTAR PERFORMANCE
$149.99Steel Axle Tube 5x5 2.5in Pin 30inAxle Housing Tube30 in Length3 in OD2-5/8 in IDAFCO / SCP / Winters 2-1/2 in 5x5 PinSteelNaturalEachALL68256- SKU:
- ALL68256
- Availability:
- Ships Same Business Day
- Weight:
- 16.18 LBS
- MFG Part #:
- ALL68256
$149.99 -
Winters Input Shaft Collar Crank Hub Kit 18 Spline Steel 234-9049
WINTERS
$260.97This Winters Performance Products kit is designed to facilitate the connection between Falcon transmissions and Chevrolet crankshafts. It includes a steel crankshaft coupler, an 18-spline steel transmission input shaft collar, and a standard 18/18 spline...234-9049- SKU:
- 234-9049
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$260.97 -
Falcon Transmission Tailhousing Bearing and Seal Kit 234-9047
WINTERS
$34.97This kit is designed to restore the tailhousing of Falcon transmissions, ensuring optimal performance and durability. It includes all necessary components for a comprehensive replacement, facilitating a smooth and efficient installation process. ...234-9047- SKU:
- 234-9047
- Availability:
- Ships Same Business Day
- Weight:
- 3.00 LBS
$34.97 -
Bert Transmission Replacement Parts Kit
BERT TRANSMISSIONS
$87.44Kit Includes: Bellhousing Plate Grease Fitting Spring Washer Idler Gear Bushing Idler Gear Shaft234-9042- SKU:
- 234-9042
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$87.44Qty in Cart: 0Quantity:Price:$87.44Subtotal: -
Bert Ring Gear Flywheel Kit, Bolts
BERT TRANSMISSIONS
$252.47Kit Includes: Bert Flywheel Bert Crankshaft Coupler with HTD Style Splines ARP Crankshaft Coupler Bolts234-9039- SKU:
- 234-9039
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
$252.47 -
Heavy Duty 3" Axle Tube Clamp
J J MOTORSPORTS
$12.95Secure your axle with confidence using this Heavy Duty 3" Axle Tube Clamp, designed for durability and reliability in high-performance racing applications. Built to withstand the rigors of competitive racing, this clamp is perfect for 3" axle tubes...RCCH-005- SKU:
- RCCH-005
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- Made In:
- Michigan, USA
- Type:
- Axle Clamp
- Size (tube):
- 3"
- Hardware:
- Included
- Color:
- Black
- Thickness:
- Heavy Duty
$12.95
