Differentials and Rear-End Components
Circle Track Differentials & Rear End Components at JJ Motorsports
Differentials and rear-end components are essential for transferring power to the wheels while ensuring balance and control during cornering in circle track racing. Engineered for maximum durability, these parts are tailored for late models and modifieds, delivering reliable performance under extreme conditions. Pair them with advanced drivetrain enhancements for a smooth, powerful drive that keeps your vehicle competitive on the track.
Shop trusted brands like Allstar Performance for versatile components, PEM for stamped housings, and Winters for quick-change options. Explore related categories such as Circle Track Front/Rear End Assemblies for complete kits or Circle Track Axle Shafts for durable upgrades.
Top Circle Track Differentials & Rear End Components
- Dirt Street Stock/Hobby Stock Floater Rear End 2.5" GN Kit – Kit 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 Bolts.
- Allstar Performance Remote Fill Tank ALL36110 – Remote Fill Tank, Flush Mount, 10 AN Outlet, Aluminum, Each.
- PEM New Stamped Floater Metric Housing 60in Cent HNMK3003005 – Rear Axle Housing, Ford 9 in Floater, 60 in Wide, Centered, 3 in Tubes, 5 x 5 in Hub, 0.810 in Thick Rotors, Steel, Natural, Each.
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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Winters Solid Axle 36in 31 Spline Carrier 24 Spline Drive Flange Steel Natural WIN5067-36
WINTERS
$131.99If you're building a race car that demands reliability under extreme torque loads, a precision axle shaft is non-negotiable. The Winters 36-inch solid axle delivers the strength and spline engagement your drivetrain needs to handle sustained power...WIN5067-36- SKU:
- WIN5067-36
- Availability:
- Ships Same Business Day
- Weight:
- 12.41 LBS
- MFG Part #:
- 5067-36
$131.99Qty in Cart: 0Quantity:Price:$131.99Subtotal: -
Winters Aluminum Drive Flange 2-7/8 Wide 5 Rear Hub 5-Bolt 24 Spline WIN3698
WINTERS
$102.99If you're running a Wide 5 rear end, your drive flange needs to match the precision and reliability of the rest of your drivetrain. The Winters Aluminum Drive Flange delivers the lightweight construction and corrosion resistance demanded by serious...WIN3698- SKU:
- WIN3698
- Availability:
- Ships Same Business Day
- Weight:
- 1.33 LBS
- MFG Part #:
- 3698
$102.99Qty in Cart: 0Quantity:Price:$102.99Subtotal: -
Winters Differential Carrier 2nd Gen TrackStar Aluminum End Cap Steel 10 in Quick Change WIN3224-01
WINTERS
$1,940.99If you're running a Winters 10-inch quick change rear end, the differential carrier is your foundation for consistent power delivery and predictable handling under load. This 2nd Gen TrackStar unit combines steel durability with an aluminum end cap to...WIN3224-01- SKU:
- WIN3224-01
- Availability:
- Ships Same Business Day
- Weight:
- 24.10 LBS
- MFG Part #:
- 3224-01
$1,940.99 -
Winters Drive Flange 5 x 4.75 24 Spline Steel Black Oxide 1680-475
WINTERS
$97.99The Winters Drive Flange 1680-475 is the foundation of a reliable drivetrain setup, transferring power directly from your differential to your wheels with precision-engineered geometry. Built from steel with black oxide protection, this flange resists...WIN1680-475- SKU:
- WIN1680-475
- Availability:
- Ships Same Business Day
- Weight:
- 2.89 LBS
- MFG Part #:
- 1680-475
$97.99 -
Winters aluminum 8-bolt thin flange axle tube 29-inch 16-bolt thin flange 2-inch GN black anodized 1400A-29
WINTERS
$307.99If you're building a lightweight rear end for road racing or circle track competition, you need an axle housing that won't compromise on strength or precision fitment. The Winters 1400A-29 aluminum axle tube delivers the structural integrity of...WIN1400A-29- SKU:
- WIN1400A-29
- Availability:
- Ships Same Business Day
- Weight:
- 6.96 LBS
- MFG Part #:
- 1400A-29
$307.99 -
Winters 2in GN 8-Bolt Spindle 1.5 Camber 5x5 Bolt-On Snout WIN1384-15
WINTERS
$199.99If you're running a rear axle setup that demands precision geometry and bulletproof durability, the Winters 2in GN 8-Bolt Spindle delivers exactly what you need. The factory-set 1.5-degree camber angle eliminates guesswork and ensures your suspension...WIN1384-15- SKU:
- WIN1384-15
- Availability:
- Ships Same Business Day
- Weight:
- 3.68 LBS
- MFG Part #:
- 1384-15
$199.99 -
Wehrs Clamp Ring 3in ID 1in Wide Steel WEHWM200-23
WEHRS MACHINE
$21.00If you're running a custom exhaust, intercooler piping, or radiator hose setup, you need a reliable clamp ring that won't slip under vibration or thermal cycling. The Wehrs WM200-23 delivers the security of a proven 2-bolt design with the durability of...WEHWM200-23- SKU:
- WEHWM200-23
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- WM200-23
$21.00 -
31 Spline Aluminum Spool Standard 2401
TIGER QUICK CHANGE
$438.99A quality spool is the foundation of any reliable differential setup, and the 31 Spline Aluminum Spool Standard 2401 delivers the lightweight strength you need for consistent power delivery on the track or strip. Machined from aluminum and polished to...TIG2401- SKU:
- TIG2401
- Availability:
- Ships Same Business Day
- Weight:
- 5.80 LBS
- MFG Part #:
- 2401
$438.99 -
Strange Oval Axle 31 Spline 34.0in 1.130in OD AGY11303400
STRANGE OVAL
$320.99Built for high-torque applications and extreme racing conditions, the Strange Oval Axle delivers the strength and precision you need to transfer power reliably without compromise. The 31-spline carrier interface and gun-drilled construction reduce...SOTAGY11303400- SKU:
- SOTAGY11303400
- Availability:
- Ships Same Business Day
- Weight:
- 8.15 LBS
- MFG Part #:
- AGY11303400
$320.99 -
Strange Oval Axle 31 Spline 33.5in 1.115in OD AGY11153350
STRANGE OVAL
$320.99A precision axle shaft is fundamental to reliable power delivery and handling consistency in high-performance applications. The Strange Oval Axle delivers the durability and spline compatibility needed for serious racing and aggressive street duty, with...SOTAGY11153350- SKU:
- SOTAGY11153350
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 LBS
- MFG Part #:
- AGY11153350
$320.99 -
Strange Oval Drive Flange Cambered Kit 5x5 Howe / PCR ADW530BT
STRANGE OVAL
$379.99Precision front-end geometry starts with a quality drive flange, and this Strange oval design delivers the adjustability serious racers demand. The cambered kit allows you to dial in your suspension geometry for optimal tire contact and consistent...SOTADW530BT- SKU:
- SOTADW530BT
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- ADW530BT
$379.99 -
PEM 9in Rear End Floater w/ Steel 5x4-3/4 Hubs 62in Centered PEMHNK3103104
PEM
$1,132.99A quality rear end housing is the foundation of any serious drag strip or road course build. The PEM 9in Floater delivers the strength and precision you need to handle extreme power while maintaining reliable brake cooling and heat dissipation. This...PEMHNK3103104- SKU:
- PEMHNK3103104
- Availability:
- Ships Same Business Day
- Weight:
- 41.00 LBS
- MFG Part #:
- HNK3103104
$1,132.99Qty in Cart: 0Quantity:Price:$1,132.99Subtotal: -
PEM 9in Floater w/ Steel 5x5 Hubs 60in Centered PEMHNK3003005
PEM
$1,169.99A complete, ready-to-bolt floater housing solution built for serious drag racing and high-horsepower applications. This fully assembled Ford 9" kit eliminates guesswork with precision-stamped centers and includes everything you need—axles, hubs,...PEMHNK3003005- SKU:
- PEMHNK3003005
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- HNK3003005
$1,169.99 -
4.86 Ratio 9in Ford F890486
MOTIVE GEAR
$369.99A 4.86 gear ratio transforms your Ford 9-inch differential into a tire-spinning, acceleration-focused powerhouse—essential for drag racing, street performance, or any build prioritizing launch response over top-end cruising. This ratio delivers quicker...MOTF890486- SKU:
- MOTF890486
- Availability:
- Ships Same Business Day
- Weight:
- 19.15 LBS
- MFG Part #:
- F890486
$369.99 -
DMI 2Tuff Hollow 31 Spline Axle - 32.5in RRC-2300-32.5
DIVERSIFIED MACHINE
$229.99The DMI 2Tuff Hollow 31 Spline Axle delivers reliable strength for high-demand rear axle applications without unnecessary weight. Its gun-drilled construction reduces rotating mass while maintaining the durability required for sustained performance...DMIRRC-2300-32.5- SKU:
- DMIRRC-2300-32.5
- Availability:
- Ships Same Business Day
- Weight:
- 7.75 LBS
- MFG Part #:
- RRC-2300-32.5
$229.99Qty in Cart: 0Quantity:Price:$229.99Subtotal: -
Allstar Performance Shim Kit Ford 8.8in ALL68613
ALLSTAR PERFORMANCE
$44.99Proper differential assembly requires precision shimming to achieve correct bearing preload and gear backlash—critical factors that directly impact durability, noise levels, and power delivery in your Ford 8.8in rear end. This comprehensive shim kit...ALL68613- SKU:
- ALL68613
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MFG Part #:
- ALL68613
$44.99Qty in Cart: 0Quantity:Price:$44.99Subtotal: -
Allstar Performance Axle Tube Retainer Clamp 5/8in Wide HD ALL68327
ALLSTAR PERFORMANCE
$15.99Axle tube retainers are critical for maintaining structural integrity under high-load racing conditions—they prevent axle housing deflection and keep your rear end geometry consistent lap after lap. This Allstar Performance clamp offers a bolt-on...ALL68327- SKU:
- ALL68327
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
- MFG Part #:
- ALL68327
$15.99 -
Allstar Performance Steel Axle Tube 5x5 2.5in Pin 26in ALL68248
ALLSTAR PERFORMANCE
$159.99If you're building or rebuilding a rear axle assembly for a dedicated race car, this steel axle tube delivers the structural integrity and precise fitment your drivetrain demands. The 26-inch length and standardized 5x5 pin pattern work seamlessly with...ALL68248- SKU:
- ALL68248
- Availability:
- Ships Same Business Day
- Weight:
- 14.25 LBS
- MFG Part #:
- ALL68248
$159.99 -
Allstar Performance Steel Axle Tube Wide 5 35in ALL68235
ALLSTAR PERFORMANCE
$164.99A solid axle tube forms the backbone of any reliable rear axle assembly, and this Allstar Performance steel tube delivers the structural integrity demanded by high-performance applications. Whether you're building a dedicated race car or upgrading your...ALL68235- SKU:
- ALL68235
- Availability:
- Ships Same Business Day
- Weight:
- 17.10 LBS
- MFG Part #:
- ALL68235
$164.99 -
Allstar Performance Axle 28 Spl 30.5 Solid ALL67306
ALLSTAR PERFORMANCE
$149.99A quality axle shaft is the foundation of reliable power delivery to your wheels—especially under high-load racing conditions. The Allstar Performance 28 Spline solid axle delivers the strength and precision needed for consistent performance without flex...ALL67306- SKU:
- ALL67306
- Availability:
- Ships Same Business Day
- Weight:
- 10.33 LBS
- MFG Part #:
- ALL67306
$149.99Qty in Cart: 0Quantity:Price:$149.99Subtotal:
