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
-
Allstar Performance Bearing Kit GM 8.5 10 Bolt 1970-98 ALL68521
ALLSTAR PERFORMANCE
$99.99A worn-out differential bearing setup compromises your suspension geometry, introduces play in your drivetrain, and can lead to catastrophic failure under racing loads. The Allstar Performance Bearing Kit gives you everything needed for a complete,...ALL68521- SKU:
- ALL68521
- Availability:
- Ships Same Business Day
- Weight:
- 5.79 LBS
- MFG Part #:
- ALL68521
$99.99 -
Allstar Performance Bearing Kit 8.875 GM 12-Bolt Car 1.625 Pinion ALL68519
ALLSTAR PERFORMANCE
$111.99Installing a quality bearing kit is essential when you're rebuilding or upgrading your 8.875-inch GM 12-bolt rear axle—it ensures proper pinion depth, carrier preload, and gear mesh geometry that directly impact durability and performance. This Allstar...ALL68519- SKU:
- ALL68519
- Availability:
- Ships Same Business Day
- Weight:
- 6.15 LBS
- MFG Part #:
- ALL68519
$111.99 -
Allstar Performance Bearing Kit GM 8.875 12 Bolt Truck 1.438 Pinion ALL68518
ALLSTAR PERFORMANCE
$112.99Differential bearing kits are critical to maintaining proper pinion depth, preload, and gear mesh in your truck's rear end—factors that directly impact drivability, longevity, and performance under load. This Allstar Performance kit eliminates the...ALL68518- SKU:
- ALL68518
- Availability:
- Ships Same Business Day
- Weight:
- 6.04 LBS
- MFG Part #:
- ALL68518
$112.99 -
Allstar Performance Bearing Kit GM 7.5 10 Bolt 1982-98 ALL68515
ALLSTAR PERFORMANCE
$114.99A worn or damaged differential bearing setup compromises your entire drivetrain's reliability and performance, introducing play that cascades into noise, vibration, and premature failure. This complete Allstar installation kit delivers all the precision...ALL68515- SKU:
- ALL68515
- Availability:
- Ships Same Business Day
- Weight:
- 5.80 LBS
- MFG Part #:
- ALL68515
$114.99 -
Allstar Performance Bearing Kit Ford 8.8 ALL68513
ALLSTAR PERFORMANCE
$103.99Proper differential bearing preload and assembly are critical to longevity and performance in any Ford 8.8 rear end. This complete Allstar kit eliminates guesswork by providing all necessary components for correct installation, saving you hours of...ALL68513- SKU:
- ALL68513
- Availability:
- Ships Same Business Day
- Weight:
- 6.02 LBS
- MFG Part #:
- ALL68513
$103.99 -
Allstar Performance Bearing Kit Ford 9 2.893 Bearing ALL68510
ALLSTAR PERFORMANCE
$114.99A properly set differential requires precision bearings and quality hardware—shortcuts here lead to premature wear, noise, and catastrophic failure under load. The Allstar Performance Bearing Kit Ford 9 2.893 gives you everything needed for a complete,...ALL68510- SKU:
- ALL68510
- Availability:
- Ships Same Business Day
- Weight:
- 5.15 LBS
- MFG Part #:
- ALL68510
$114.99 -
Allstar Performance Bearing Kit Ford 9 3.062 Bearing ALL68509
ALLSTAR PERFORMANCE
$114.99A proper differential installation requires precision-matched bearings and quality seals to maintain backlash consistency and prevent premature wear. The Allstar Performance Bearing Kit supplies everything needed for a complete Ford 9-inch differential...ALL68509- SKU:
- ALL68509
- Availability:
- Ships Same Business Day
- Weight:
- 5.18 LBS
- MFG Part #:
- ALL68509
$114.99 -
Allstar Performance Pinion Support 28spl Daytona Forged Alum BK ALL68396
ALLSTAR PERFORMANCE
$139.99A quality pinion support is critical for maintaining axle stability under hard acceleration and cornering loads—especially in high-horsepower applications where chassis flex can compromise differential performance. The Allstar Performance Daytona forged...ALL68396- SKU:
- ALL68396
- Availability:
- Ships Same Business Day
- Weight:
- 3.85 LBS
- MFG Part #:
- ALL68396
$139.99 -
Allstar Performance Ford 9 Truss Support 36" x 2" 12-Gauge Steel ALL68330
ALLSTAR PERFORMANCE
$66.99High-torque applications demand more from your Ford 9-inch axle housing than stock construction can deliver. The Allstar Performance Truss Support eliminates unwanted flex under load, protecting your investment and maintaining consistent performance on...ALL68330- SKU:
- ALL68330
- Availability:
- Ships Same Business Day
- Weight:
- 5.58 LBS
- MFG Part #:
- ALL68330
$66.99 -
Allstar Performance Axle Tube Retainer Clamp 1/2in Wide LW ALL68326
ALLSTAR PERFORMANCE
$15.49Axle tube retainer clamps are critical for maintaining structural integrity in high-stress racing applications, preventing lateral movement and potential failure under extreme load conditions. This Allstar Performance clamp delivers reliable holding...ALL68326- SKU:
- ALL68326
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- ALL68326
$15.49Qty in Cart: 0Quantity:Price:$15.49Subtotal: -
Allstar Performance Axle Tube Bracket ALL68324
ALLSTAR PERFORMANCE
$28.99If you're running a quick-change rear end, this Allstar axle tube bracket is essential for maintaining solid structural support under load and acceleration. Proper axle tube bracing eliminates deflection and ensures consistent driveline geometry, which...ALL68324- SKU:
- ALL68324
- Availability:
- Ships Same Business Day
- Weight:
- 0.92 LBS
- MFG Part #:
- ALL68324
$28.99 -
Allstar Performance QC Axle Tube Support Brkt ALL68320
ALLSTAR PERFORMANCE
$27.99If you're running a quick-change rear axle setup, this support bracket is essential for maintaining structural integrity under load and cornering stress. The Allstar Performance QC Axle Tube Support Bracket reinforces your axle tube housing, reducing...ALL68320- SKU:
- ALL68320
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- MFG Part #:
- ALL68320
$27.99 -
Allstar Performance 9in Ford Large Bearing Early Housing Ends 3.15in Bore 0.5in Bolt Holes ALL68309
ALLSTAR PERFORMANCE
$109.99Building a custom 9-inch Ford rear end demands precision components that won't compromise your axle assembly's integrity. These weld-on housing ends are engineered for early Ford applications with large bearing support, giving you the durability and...ALL68309- SKU:
- ALL68309
- Availability:
- Ships Same Business Day
- Weight:
- 3.46 LBS
- MFG Part #:
- ALL68309
$109.99 -
Allstar Performance 9in Ford Large Bearing Housing Ends Late Model ALL68308
ALLSTAR PERFORMANCE
$109.99Building a custom-width 9-inch Ford rear end or upgrading to late-model large bearing applications requires precision housing ends that won't compromise structural integrity under load. Allstar Performance's weld-on housing ends deliver the strength and...ALL68308- SKU:
- ALL68308
- Availability:
- Ships Same Business Day
- Weight:
- 3.53 LBS
- MFG Part #:
- ALL68308
$109.99 -
Allstar Performance Weld On Snout 5x5 2.5in Pin RH Thread ALL68304
ALLSTAR PERFORMANCE
$57.99If you're running a 5x5 hub setup on a dedicated race car or high-performance street machine, a quality rear axle snout is non-negotiable for reliability under sustained load. This Allstar weld-on snout delivers the precision fit and durability required...ALL68304- SKU:
- ALL68304
- Availability:
- Ships Same Business Day
- Weight:
- 3.68 LBS
- MFG Part #:
- ALL68304
$57.99 -
Allstar Performance Weld On Snout 5x5 2.0in Pin ALL68302
ALLSTAR PERFORMANCE
$51.99If you're running a dedicated rear axle assembly, you need a snout that matches your hub configuration exactly—and won't fail under load. This Allstar weld-on snout is engineered for 5x5 hubs with a 2-inch pin, giving you a secure, rigid connection that...ALL68302- SKU:
- ALL68302
- Availability:
- Ships Same Business Day
- Weight:
- 3.41 LBS
- MFG Part #:
- ALL68302
$51.99 -
Allstar Performance Weld On Snout Wide 5 ALL68300
ALLSTAR PERFORMANCE
$51.99If you're running a Wide 5 rear axle setup and need a reliable, permanent snout solution, the Allstar Performance Weld On Snout delivers the structural integrity and precision fit that serious racers demand. This steel snout eliminates play and wobble in...ALL68300- SKU:
- ALL68300
- Availability:
- Ships Same Business Day
- Weight:
- 3.21 LBS
- MFG Part #:
- ALL68300
$51.99 -
Allstar Performance Steel Axle Tube 5x5 2.0in Pin 32in ALL68280
ALLSTAR PERFORMANCE
$186.99A quality axle tube is the foundation of a reliable rear axle assembly—it carries lateral loads, absorbs impacts, and directly affects handling precision. The Allstar Performance Steel Axle Tube delivers the structural integrity and dimensional accuracy...ALL68280- SKU:
- ALL68280
- Availability:
- Ships Same Business Day
- Weight:
- 16.36 LBS
- MFG Part #:
- ALL68280
$186.99 -
Allstar Performance Steel Axle Tube 5x5 2.0in Pin 31in ALL68278
ALLSTAR PERFORMANCE
$186.99If you're building or rebuilding a 5x5 bolt-pattern axle assembly, this Allstar Steel Axle Tube gives you a proven, cost-effective foundation for street or strip applications. The 31-inch length and 3-inch OD provide solid structural integrity, while the...ALL68278- SKU:
- ALL68278
- Availability:
- Ships Same Business Day
- Weight:
- 15.84 LBS
- MFG Part #:
- ALL68278
$186.99 -
Allstar Performance Steel Axle Tube 5x5 2.0in Pin 30in ALL68276
ALLSTAR PERFORMANCE
$186.99If you're building or rebuilding a 5x5 bolt-pattern axle assembly, this steel tube is engineered to handle the structural demands of high-performance racing and heavy-duty applications. The 2-inch pin design provides a direct fit for Allstar, Howe, and...ALL68276- SKU:
- ALL68276
- Availability:
- Ships Same Business Day
- Weight:
- 15.22 LBS
- MFG Part #:
- ALL68276
$186.99
