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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Allstar Performance Axle Retainer C-Clips 7.5 GM 1pr ALL66120
ALLSTAR PERFORMANCE
$11.59Axle C-clips are a critical component that keeps your axle shafts properly seated in the differential housing—without them, you're risking catastrophic drivetrain failure and potential loss of wheel...ALL66120- SKU:
- ALL66120
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- ALL66120
$11.59 -
Allstar Performance Aluminum Axle Plug ALL66100
ALLSTAR PERFORMANCE
$7.99Gun-drilled axles demand precision sealing to prevent fluid loss and contamination—this aluminum plug delivers that reliability with straightforward bolt-in installation. The 3/8-24 internal thread...ALL66100- SKU:
- ALL66100
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- ALL66100
$7.99 -
Allstar Performance 4 Bolt Clamp On Retainer 3in Wide ALL60147
ALLSTAR PERFORMANCE
$42.99The Allstar Performance 4 Bolt Clamp On Retainer provides a reliable, no-fuss solution for securing 3-inch diameter shafts and components in high-vibration racing environments. Its clamp-on design...ALL60147- SKU:
- ALL60147
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
- MFG Part #:
- ALL60147
$42.99 -
Allstar Performance 2 Bolt Clamp On Retainer 2in Wide ALL60146
ALLSTAR PERFORMANCE
$29.99A quality retainer keeps your transmission, differential, or other rotating components secure and aligned during high-stress racing conditions. The Allstar Performance 2 Bolt Clamp On Retainer...ALL60146- SKU:
- ALL60146
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- MFG Part #:
- ALL60146
$29.99 -
Allstar Performance 2 Bolt Clamp On Retainer 1.75in Wide ALL60145
ALLSTAR PERFORMANCE
$27.99If you're running a carbureted engine or building a custom fuel system, a reliable retainer ring keeps your carburetor or fuel bowl securely in place under vibration and load. The Allstar Performance...ALL60145- SKU:
- ALL60145
- Availability:
- Ships Same Business Day
- Weight:
- 1.82 LBS
- MFG Part #:
- ALL60145
$27.99 -
Allstar Performance 2 Bolt Clamp On Retainer 1in Wide ALL60144
ALLSTAR PERFORMANCE
$20.99A reliable retainer ring is essential for keeping your cooling system sealed under pressure and vibration. The Allstar Performance 2 Bolt Clamp On Retainer delivers a straightforward, cost-effective...ALL60144- SKU:
- ALL60144
- Availability:
- Ships Same Business Day
- Weight:
- 1.39 LBS
- MFG Part #:
- ALL60144
$20.99 -
Allstar Performance Shifter/Throttle Cable 60in ALL54145
ALLSTAR PERFORMANCE
$49.99Cable control systems are critical to throttle response and shift precision—sloppy cables introduce lag and inconsistency that cost you time on track and reliability in the shop. The Allstar...ALL54145- SKU:
- ALL54145
- Availability:
- Ships Same Business Day
- Weight:
- 1.45 LBS
- MFG Part #:
- ALL54145
$49.99 -
Allstar Performance Shifter/Throttle Cable 43in ALL54142
ALLSTAR PERFORMANCE
$46.99Whether you're upgrading your manual transmission linkage or installing a custom throttle setup, this Allstar Performance cable delivers the reliable mechanical connection you need without compromise...ALL54142- SKU:
- ALL54142
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
- MFG Part #:
- ALL54142
$46.99 -
Allstar Performance Shifter Boot ALL54130
ALLSTAR PERFORMANCE
$64.99A shifter boot isn't just about aesthetics—it's a functional barrier that protects your shift linkage from heat, debris, and premature wear. The Allstar Performance ALL54130 delivers fire-retardant...ALL54130- SKU:
- ALL54130
- Availability:
- Ships Same Business Day
- Weight:
- 0.34 LBS
- MFG Part #:
- ALL54130
$64.99 -
Allstar Performance 2 Lever Shifter Black Unequal Length Handles ALL54124
ALLSTAR PERFORMANCE
$84.99A quality shifter is fundamental to precise gear engagement and driver control—especially in racing applications where consistency matters. The Allstar Performance 2 Lever Shifter delivers...ALL54124- SKU:
- ALL54124
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- MFG Part #:
- ALL54124
$84.99Qty in Cart: 0Quantity:Price:$84.99Subtotal: -
Allstar Performance Shifter Rod 40in ALL54119
ALLSTAR PERFORMANCE
$13.99A quality shifter rod is foundational to precise gear selection and repeatability in any racing or performance application. This 40-inch Allstar rod delivers the rigidity and durability needed for...ALL54119- SKU:
- ALL54119
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- MFG Part #:
- ALL54119
$13.99 -
Allstar Performance Aluminum Shifter Arm ALL54118
ALLSTAR PERFORMANCE
$11.99A quality shifter arm is critical to consistent gear engagement and reliable shift feel—whether you're in the driver's seat for competition or building a custom street machine. The Allstar...ALL54118- SKU:
- ALL54118
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- ALL54118
$11.99 -
Allstar Performance Shifter Rod 30in ALL54117
ALLSTAR PERFORMANCE
$10.99Whether you're building a custom shifter linkage or replacing a worn rod in your race car, the Allstar Performance Shifter Rod delivers the precision and durability required for consistent gear...ALL54117- SKU:
- ALL54117
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- MFG Part #:
- ALL54117
$10.99 -
Allstar Performance Shifter Rod 24in ALL54116
ALLSTAR PERFORMANCE
$10.99A quality shifter rod is critical for responsive gear engagement and precise shift feel, especially in high-performance or custom transmission setups. This 24-inch Allstar rod provides the length and...ALL54116- SKU:
- ALL54116
- Availability:
- Ships Same Business Day
- Weight:
- 0.26 LBS
- MFG Part #:
- ALL54116
$10.99 -
Allstar Performance Shifter Rod 20in ALL54115
ALLSTAR PERFORMANCE
$10.49A quality shifter rod is fundamental to precise gear engagement and reliable shift feel, especially in high-performance or custom racing applications. This Allstar Performance rod delivers the...ALL54115- SKU:
- ALL54115
- Availability:
- Ships Same Business Day
- Weight:
- 0.22 LBS
- MFG Part #:
- ALL54115
$10.49 -
Allstar Performance Shifter Rod 16in ALL54114
ALLSTAR PERFORMANCE
$10.49Precise shifter linkage is critical to consistent gear engagement, especially under high-rpm racing conditions where sloppy connections cost tenths of a second. The Allstar Performance 16-inch...ALL54114- SKU:
- ALL54114
- Availability:
- Ships Same Business Day
- Weight:
- 0.16 LBS
- MFG Part #:
- ALL54114
$10.49 -
Allstar Performance Shifter Rod 14in ALL54113
ALLSTAR PERFORMANCE
$9.99A quality shifter rod is essential for smooth, reliable gear changes under racing conditions or high-performance driving. The Allstar Performance 14-inch shifter rod delivers precise linkage geometry...ALL54113- SKU:
- ALL54113
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- ALL54113
$9.99 -
Allstar Performance 3 Lever Shifter Gold ALL54112
ALLSTAR PERFORMANCE
$114.99A quality shifter is the critical link between your inputs and your car's performance—missed shifts cost you races and consistency. The Allstar Performance 3 Lever Shifter delivers the positive...ALL54112- SKU:
- ALL54112
- Availability:
- Ships Same Business Day
- Weight:
- 3.23 LBS
- MFG Part #:
- ALL54112
$114.99 -
Allstar Performance 1 Lever Shifter Gold ALL54108
ALLSTAR PERFORMANCE
$68.99If you're building a dedicated race car or high-performance street machine, a single-lever shifter eliminates the complexity and weight penalty of a traditional H-pattern setup while giving you...ALL54108- SKU:
- ALL54108
- Availability:
- Ships Same Business Day
- Weight:
- 1.70 LBS
- MFG Part #:
- ALL54108
$68.99 -
Allstar Performance Transmission Breather Kit with 15" Braided Line and 1/8" NPT Adapter ALL36147
ALLSTAR PERFORMANCE
$38.99Keep your transmission running cleaner and longer with the Allstar Performance Transmission Breather Kit ALL36147 — a smart upgrade that relocates your breather exit to eliminate messy fluid leakage...ALL36147- SKU:
- ALL36147
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- ALL36147
$38.99
