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!
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- Qty in Cart
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- Price
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Winters Solid Axle 31-1/2in 31 Spline Carrier 24 Spline Drive Flange WIN5067-31.500
WINTERS
$118.99A quality axle shaft is the backbone of any high-performance rear end—it has to transmit power reliably under extreme loads while maintaining perfect concentricity. The Winters Solid Axle delivers the strength and precision needed for consistent...WIN5067-31.500- SKU:
- WIN5067-31.500
- Availability:
- Ships Same Business Day
- Weight:
- 10.40 LBS
$118.99Qty in Cart: 0Quantity:Price:$118.99Subtotal: -
Winters Solid Axle 28-1/2in 31 Spline Carrier 24 Spline Drive Flange WIN5067-28.500
WINTERS
$118.99A quality axle shaft is the foundation of reliable power transfer in any race car setup. The Winters Solid Axle delivers the strength and precision your drivetrain demands, with a robust steel construction and proper spline configuration to handle...WIN5067-28.500- SKU:
- WIN5067-28.500
- Availability:
- Ships Same Business Day
- Weight:
- 10.02 LBS
$118.99Qty in Cart: 0Quantity:Price:$118.99Subtotal: -
Winters Drive Flange Wide 5 Cambered Black Urethane WIN1153CB
WINTERS
$492.99If you're running a Wide 5 hub setup, you need a drive flange that can handle the rotational forces and vibration inherent to high-performance racing. The Winters WIN1153CB combines an elastic dynamic dampener with robust aluminum construction to reduce...WIN1153CB- SKU:
- WIN1153CB
- Availability:
- Ships Same Business Day
- Weight:
- 10.50 LBS
$492.99Qty in Cart: 0Quantity:Price:$492.99Subtotal: -
Wilwood Drive Flange Wide 5 Cambered 5 Bolt 24 Spline Steel Clear Anodized 270-16183
WILWOOD
$301.05Precision wheel alignment is non-negotiable in high-performance racing, and this Wilwood drive flange delivers the adjustability you need to dial in your setup. With up to 2 degrees of camber adjustment, you can fine-tune your suspension geometry for...WIL270-16183- SKU:
- WIL270-16183
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$301.05 -
On Sale
Wehrs Breather Tranny / Rear End w/ Filter WEHWM128B
WEHRS MACHINE
MSRP: $30.99Now: $30.00Was: $30.99Excessive pressure buildup in your transmission and rear differential can lead to seal failure, fluid leakage, and catastrophic component damage. The Wehrs Breather Tranny / Rear End with integrated filter eliminates this risk by allowing controlled...WEHWM128B- SKU:
- WEHWM128B
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
MSRP: $30.99Now: $30.00Was: $30.99 -
Strange Oval Axle 31 Spline 36.50in 1.145in OD AGY11453650
STRANGE OVAL
$320.99Short-track racing demands axles that can handle brutal side-loading and repeated shock cycles without compromise. The Strange Oval Axle delivers the strength and precision your chassis needs to hook up consistently, lap after lap. This gun-drilled...SOTAGY11453650- SKU:
- SOTAGY11453650
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$320.99 -
Strange Oval Axle 31 Spline 34.5in 1.130in OD AGY11303450
STRANGE OVAL
$320.99A precision axle shaft is fundamental to reliable power transfer in high-performance applications, and the Strange Oval Axle delivers the strength and durability required for competitive racing and heavy-duty use. Whether you're building a dedicated drag...SOTAGY11303450- SKU:
- SOTAGY11303450
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$320.99 -
Strange Oval Axle 31 Spline 32.625in 1.130in OD AGY11303262
STRANGE OVAL
$290.99A quality axle shaft is the backbone of any reliable drivetrain—especially under high-load racing conditions. The Strange Oval Axle delivers the precision engineering and durability you need to maintain consistent power transfer without compromising...SOTAGY11303262- SKU:
- SOTAGY11303262
- Availability:
- Ships Same Business Day
- Weight:
- 9.80 LBS
$290.99Qty in Cart: 0Quantity:Price:$290.99Subtotal: -
Strange Oval Axle 31 Spline 33.0in 1.115in OD AGY11153300
STRANGE OVAL
$320.99Strange Engineering's oval axle shafts are engineered for consistent power delivery and maximum reliability in high-stress racing applications. The 31-spline carrier interface provides secure engagement with minimal slop, while the gun-drilled...SOTAGY11153300- SKU:
- SOTAGY11153300
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
$320.99 -
Strange Oval Axle 31 Spline 31.0in 1.115in OD AGY11153100
STRANGE OVAL
$320.99Built for short-track racers who demand reliability under sustained lateral loads, the Strange Oval Axle delivers the precise spline engagement and structural rigidity required for consistent performance lap after lap. The gun-drilled design reduces...SOTAGY11153100- SKU:
- SOTAGY11153100
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$320.99Qty in Cart: 0Quantity:Price:$320.99Subtotal: -
Strange Oval Axle 31 Spline 33.0in 1.100in OD AGY11003300
STRANGE OVAL
$320.99If you're building or upgrading a high-performance rear axle assembly, shaft quality directly impacts reliability under load and power transfer efficiency. The Strange Oval Axle delivers the durability and precision fit you need for consistent...SOTAGY11003300- SKU:
- SOTAGY11003300
- Availability:
- Ships Same Business Day
- Weight:
- 6.30 LBS
$320.99 -
Strange Oval Axle 31 Spline 31.0in 1.100in OD AGY11003100
STRANGE OVAL
$320.99A quality axle shaft is the backbone of any reliable drivetrain—it transmits power directly from your differential to the wheels under extreme load and stress. The Strange Oval Axle delivers the strength and precision you need for consistent performance,...SOTAGY11003100- SKU:
- SOTAGY11003100
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
$320.99Qty in Cart: 0Quantity:Price:$320.99Subtotal: -
Strange Oval Axle 31 Spline 29.50in 1.100in OD AGY11002950
STRANGE OVAL
$320.99If you're building a high-performance rear axle assembly or replacing a worn shaft, the Strange Oval Axle delivers the strength and precision required for consistent power delivery under extreme load. This 31-spline carrier shaft is engineered to handle...SOTAGY11002950- SKU:
- SOTAGY11002950
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
$320.99 -
Strange Oval Axle 31 Spline 29.50in 1.080in OD AGY10802950
STRANGE OVAL
$320.99A quality axle shaft is the backbone of your drivetrain, and the Strange Oval Axle delivers the strength and precision required for high-horsepower applications. Whether you're building a dedicated circle-track racer or upgrading a street performance...SOTAGY10802950- SKU:
- SOTAGY10802950
- Availability:
- Ships Same Business Day
- Weight:
- 8.09 LBS
$320.99Qty in Cart: 0Quantity:Price:$320.99Subtotal: -
Strange Oval Axle 31 Spline 28.50in 1.080in OD AGY10802850
STRANGE OVAL
$320.99A quality axle shaft is the backbone of any reliable rear-end assembly, and the Strange Oval Axle delivers the strength and precision you need for consistent power delivery under load. Whether you're running a dedicated track setup or a high-horsepower...SOTAGY10802850- SKU:
- SOTAGY10802850
- Availability:
- Ships Same Business Day
- Weight:
- 6.53 LBS
$320.99 -
Ford 8.8 Carrier Shims 38-0007-1
RICHMOND
$10.99Precise differential carrier shimming is critical for maintaining proper gear mesh and backlash in your Ford 8.8 or GM 10-bolt rear end. Incorrect shim spacing leads to premature wear, noise, and loss of power transfer—especially under aggressive driving...RIC38-0007-1- SKU:
- RIC38-0007-1
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$10.99 -
GM 8.5 Carrier Shims 38-0006-1
RICHMOND
$13.99Proper differential shim selection is critical for maintaining precise bearing preload and backlash settings—neglecting this step leads to premature wear, noise, and potential catastrophic failure. Whether you're rebuilding a worn differential or...RIC38-0006-1- SKU:
- RIC38-0006-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$13.99 -
PEM 32.5 Solid Axle Wide 5 31 Spline W532531
PEM
$111.99The PEM 32.5 Solid Axle Wide 5 is engineered for serious drag racing and high-load applications where reliability under extreme conditions is non-negotiable. Built with a 31-spline carrier and 24-spline drive flange, this shaft delivers the strength...PEMW532531- SKU:
- PEMW532531
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$111.99 -
PEM 29.5 Solid Axle Wide 5 31 Spline W529531
PEM
$107.99A quality axle shaft is the foundation of reliable power transmission in solid axle suspensions. The PEM 29.5 Wide 5 delivers the durability and precision fitment that serious racers and off-road builders demand, whether you're running a vintage hot rod...PEMW529531- SKU:
- PEMW529531
- Availability:
- Ships Same Business Day
- Weight:
- 10.00 LBS
$107.99 -
PEM New Stamped Floater Metric Kit 58in Center HNMK2902904
PEM
$1,286.99If you're building a high-performance rear axle assembly for serious drag racing or road course competition, a properly engineered floater kit is non-negotiable. The PEM New Stamped Floater Metric Kit delivers the structural integrity and load-carrying...PEMHNMK2902904- SKU:
- PEMHNMK2902904
- Availability:
- Ships Same Business Day
- Weight:
- 62.45 LBS
$1,286.99
