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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Allstar Performance Steel Axle Tube Wide 5 27in ALL68220
ALLSTAR PERFORMANCE
$164.99A quality axle tube is the backbone of any rear-end assembly, and this Allstar Performance unit delivers the strength and precision you need for consistent performance on the track or strip. Whether you're building a custom rear end or replacing a...ALL68220- SKU:
- ALL68220
- Availability:
- Ships Same Business Day
- Weight:
- 13.36 LBS
- MFG Part #:
- ALL68220
$164.99 -
Allstar Performance Steel Axle Tube Wide 5 26in ALL68218
ALLSTAR PERFORMANCE
$164.99A quality axle tube is the backbone of any rear suspension system—it carries the load, transfers power, and must handle the abuse of hard cornering and acceleration without flex or failure. The Allstar Performance Steel Axle Tube delivers a robust,...ALL68218- SKU:
- ALL68218
- Availability:
- Ships Same Business Day
- Weight:
- 12.78 LBS
- MFG Part #:
- ALL68218
$164.99 -
Allstar Performance Aluminum Axle Tube Wide 5 35in ALL68213
ALLSTAR PERFORMANCE
$254.99If you're running a lightweight race car or street machine, reducing unsprung weight at the axles directly improves acceleration, braking response, and handling precision. This Allstar aluminum tube delivers the strength you need for Wide 5 applications...ALL68213- SKU:
- ALL68213
- Availability:
- Ships Same Business Day
- Weight:
- 8.19 LBS
- MFG Part #:
- ALL68213
$254.99 -
Allstar Performance Aluminum Axle Tube Wide 5 32in ALL68212
ALLSTAR PERFORMANCE
$254.99If you're building a lightweight rear axle assembly for street or strip duty, this aluminum axle tube delivers the strength you need without the weight penalty of steel. The 32-inch length and Wide 5 pin pattern make it a direct fit for classic hot rods...ALL68212- SKU:
- ALL68212
- Availability:
- Ships Same Business Day
- Weight:
- 7.61 LBS
- MFG Part #:
- ALL68212
$254.99 -
Allstar Performance Aluminum Axle Tube Wide 5 30in ALL68210
ALLSTAR PERFORMANCE
$254.99A lightweight aluminum axle tube is essential for racers and high-performance builds where unsprung weight directly impacts acceleration, handling, and lap times. This Allstar Performance unit combines the strength you need for serious track use with a...ALL68210- SKU:
- ALL68210
- Availability:
- Ships Same Business Day
- Weight:
- 6.64 LBS
- MFG Part #:
- ALL68210
$254.99 -
Allstar Performance Aluminum Axle Tube Wide 5 29in ALL68208
ALLSTAR PERFORMANCE
$254.99If you're building a lightweight rear axle assembly for circle track, street rod, or bracket racing, this Allstar aluminum tube delivers the strength you need without the weight penalty of steel. The wide 5 pin pattern integrates seamlessly into proven...ALL68208- SKU:
- ALL68208
- Availability:
- Ships Same Business Day
- Weight:
- 6.74 LBS
- MFG Part #:
- ALL68208
$254.99 -
Allstar Performance Aluminum Axle Tube Wide 5 28in ALL68206
ALLSTAR PERFORMANCE
$254.99If you're building a lightweight rear axle assembly for street or strip duty, this aluminum tube delivers the strength-to-weight ratio you need without unnecessary bulk. The Wide 5 pin pattern integrates seamlessly with Allstar's ecosystem of compatible...ALL68206- SKU:
- ALL68206
- Availability:
- Ships Same Business Day
- Weight:
- 6.61 LBS
- MFG Part #:
- ALL68206
$254.99 -
Allstar Performance Aluminum Axle Tube Wide 5 27in ALL68204
ALLSTAR PERFORMANCE
$254.99If you're building a lightweight rear end for circle track or road race competition, this aluminum axle tube delivers the strength you need without the weight penalty of steel. The Wide 5 bolt pattern gives you maximum tire and wheel options, while the...ALL68204- SKU:
- ALL68204
- Availability:
- Ships Same Business Day
- Weight:
- 6.35 LBS
- MFG Part #:
- ALL68204
$254.99 -
Allstar Performance Aluminum Axle Tube Wide 5 26-5/8in ALL68203
ALLSTAR PERFORMANCE
$254.99Aluminum axle tubes deliver significant weight savings without compromising structural integrity—critical when every pound matters in competitive racing. This Allstar Performance tube combines precision engineering with corrosion-resistant black...ALL68203- SKU:
- ALL68203
- Availability:
- Ships Same Business Day
- Weight:
- 6.25 LBS
- MFG Part #:
- ALL68203
$254.99 -
Allstar Performance Aluminum Axle Tube Wide 5 26in ALL68202
ALLSTAR PERFORMANCE
$254.99If you're building a lightweight rear end for circle track, drag, or road racing, this aluminum axle tube delivers the strength you need without the weight penalty of steel. The Wide 5 configuration pairs seamlessly with popular performance flanges and...ALL68202- SKU:
- ALL68202
- Availability:
- Ships Same Business Day
- Weight:
- 6.07 LBS
- MFG Part #:
- ALL68202
$254.99 -
Allstar Performance Spool Cross Pin GM 7.5 10 Bolt ALL68167
ALLSTAR PERFORMANCE
$29.99If you're running a GM 10-bolt differential and need reliable load distribution under acceleration, a quality spool cross pin is non-negotiable. This Allstar Performance replacement ensures consistent power delivery to both wheels without the wear issues...ALL68167- SKU:
- ALL68167
- Availability:
- Ships Same Business Day
- Weight:
- 0.63 LBS
- MFG Part #:
- ALL68167
$29.99 -
Allstar Performance Mini Spool 7.5 GM 10Bolt 26spl ALL68166
ALLSTAR PERFORMANCE
$93.99A mini spool delivers the traction and handling consistency you need when precision matters most—whether you're on the track or pushing your build to the limit. By eliminating differential action, this spool ensures both rear wheels rotate at the same...ALL68166- SKU:
- ALL68166
- Availability:
- Ships Same Business Day
- Weight:
- 3.86 LBS
- MFG Part #:
- ALL68166
$93.99 -
Allstar Performance Spool Cross Pin Steel 8.875in Ring Gear GM 12-Bolt 5.38in Length 0.809in Dia ALL68165
ALLSTAR PERFORMANCE
$29.99If you're running a GM 12-Bolt with an 8.875-inch ring gear and chasing consistent traction in high-performance applications, a spool conversion is one of the most direct upgrades you can make. This Allstar Performance cross pin locks both axles together...ALL68165- SKU:
- ALL68165
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- MFG Part #:
- ALL68165
$29.99 -
Allstar Performance Mini Spool 8.875 GM 12-Bolt 30 Spline Steel Black Powder Coat ALL68164
ALLSTAR PERFORMANCE
$99.99If you're running an open differential on your GM 12-bolt, you're leaving traction on the table. The Allstar Performance Mini Spool locks both axles together, eliminating wheel spin and delivering equal power to both sides—critical for consistent...ALL68164- SKU:
- ALL68164
- Availability:
- Ships Same Business Day
- Weight:
- 6.24 LBS
- MFG Part #:
- ALL68164
$99.99 -
Allstar Performance Spool Cross Pin GM 8.2 10 Bolt ALL68163
ALLSTAR PERFORMANCE
$29.99If you're running a GM 10-bolt differential and need absolute reliability under load, a quality cross pin is non-negotiable. The Allstar Performance spool cross pin is a purpose-built steel component that maintains gear alignment and load distribution,...ALL68163- SKU:
- ALL68163
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- MFG Part #:
- ALL68163
$29.99 -
Allstar Performance Mini Spool 8.2 GM 10Bolt 28spl ALL68162
ALLSTAR PERFORMANCE
$99.99A mini spool eliminates wheel slip and delivers consistent power delivery to both rear wheels during acceleration, giving you the traction advantage needed for drag racing, circle track, or street performance applications. If you're running a GM 10-bolt...ALL68162- SKU:
- ALL68162
- Availability:
- Ships Same Business Day
- Weight:
- 4.54 LBS
- MFG Part #:
- ALL68162
$99.99 -
Allstar Performance Spool Cross Pin GM 8.5 10 Bolt ALL68161
ALLSTAR PERFORMANCE
$29.99If you're running a GM 10-bolt differential and need absolute certainty in power delivery, a quality spool cross pin is non-negotiable. This Allstar Performance part ensures consistent gear engagement and eliminates the flex that compromises traction...ALL68161- SKU:
- ALL68161
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- MFG Part #:
- ALL68161
$29.99 -
Allstar Performance Mini Spool 8.5 GM 10Bolt 28spl ALL68160
ALLSTAR PERFORMANCE
$99.99If you're serious about drag racing or circle track competition, a mini spool delivers the straight-line acceleration and cornering consistency that separates winners from the rest. By locking both rear wheels during acceleration, you eliminate wheel...ALL68160- SKU:
- ALL68160
- Availability:
- Ships Same Business Day
- Weight:
- 6.15 LBS
- MFG Part #:
- ALL68160
$99.99 -
Allstar Performance Mini Spool 9in Ford 31sp LW ALL68122
ALLSTAR PERFORMANCE
$29.99If you're running a Ford 9-inch rear and need rock-solid, predictable power delivery to both wheels, a mini spool eliminates differential slip and gives you maximum traction off the line. This Allstar Performance unit locks both sides together for...ALL68122- SKU:
- ALL68122
- Availability:
- Ships Same Business Day
- Weight:
- 2.64 LBS
- MFG Part #:
- ALL68122
$29.99 -
Allstar Performance Mini Spool 9in Ford 28sp ALL68121
ALLSTAR PERFORMANCE
$29.99A mini spool transforms your Ford 9-inch differential into a locked unit, delivering consistent power to both rear wheels during acceleration and cornering. This is the setup serious racers and high-performance street builds rely on when traction is...ALL68121- SKU:
- ALL68121
- Availability:
- Ships Same Business Day
- Weight:
- 2.88 LBS
- MFG Part #:
- ALL68121
$29.99
