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
- Quantity
- Price
- Subtotal
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Coleman Spindle Snout Sportsman / IMCA Rear 808-050
COLEMAN MACHINE
$98.99If you're running IMCA Sportsman or similar dirt track classes, your rear axle assembly needs to handle repeated stress from hard cornering and acceleration without failure. The Coleman Spindle Snout Rear 808-050 gives you a proven weld-on solution that...COL808-050- SKU:
- COL808-050
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
$98.99 -
Allstar Performance 9in Floater Bare Housing 2.5in GN Snouts 62in Ctr ALL68824
ALLSTAR PERFORMANCE
$499.99A solid 9-inch floater rear housing is the foundation of any serious drag racing or high-performance street build. This Allstar Performance unit gives you the flexibility to run your preferred axle spools and gearing without compromise, while the...ALL68824- SKU:
- ALL68824
- Availability:
- Ships Same Business Day
- Weight:
- 53.00 LBS
$499.99 -
Allstar Performance 9in Floater Bare Housing 2.5in GN Snouts 58in Ctr ALL68820
ALLSTAR PERFORMANCE
$499.99A solid 9-inch floater housing is the foundation of any serious rear-end setup, and this Allstar Performance unit delivers the strength and precision you need for consistent performance on the track or strip. The 58-inch centered width works seamlessly...ALL68820- SKU:
- ALL68820
- Availability:
- Ships Same Business Day
- Weight:
- 50.00 LBS
$499.99 -
Allstar Performance 9in Floater Bare Housing 63in w/2in Offset ALL68708
ALLSTAR PERFORMANCE
$499.99A solid rear axle housing is the foundation of any high-performance rear end assembly, and the Allstar Performance 9-inch floater delivers the strength and precision you need for sustained track use. This bare housing gives you a clean slate to build...ALL68708- SKU:
- ALL68708
- Availability:
- Ships Same Business Day
- Weight:
- 50.45 LBS
$499.99 -
Allstar Performance 9in Floater Bare Housing 60in Centered ALL68700
ALLSTAR PERFORMANCE
$499.99A quality rear axle housing is the foundation of any serious 9-inch setup, and the Allstar Performance floater design delivers the strength and geometry you need for consistent performance under load. This bare housing gives you a clean slate to build a...ALL68700- SKU:
- ALL68700
- Availability:
- Ships Same Business Day
- Weight:
- 48.85 LBS
$499.99 -
Spindle Snout 5x5 - 2-Inch Pin, 6-7/8 Inch Length for Howe, Port City, Coleman, Vogel Hubs
J J MOTORSPORTS
$49.95If you're running a 5x5 wheel bolt pattern with Howe, Port City, Coleman, or Vogel hubs, a precision spindle snout is non-negotiable for safe, repeatable axle geometry. This spindle snout delivers the exact fitment and durability required for high-speed...RCSE-0013- SKU:
- RCSE-0013
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- Made In:
- Michigan, USA
- Type:
- Spindle Snout
- Pin Size:
- 2"
- Length:
- 6 - 7/8"
$49.95 -
Master Overhaul Kit GM 8.5 Rear YKNYKGM8.5
YUKON GEAR AND AXLE
$259.89A worn differential is a ticking time bomb on the track or trail—inadequate bearings and seals lead to catastrophic failure when you need reliability most. This Master Overhaul Kit gives you everything needed for a complete rebuild of your GM 8.5 rear...YKNYKGM8.5- SKU:
- YKNYKGM8.5
- Availability:
- Ships Same Business Day
- Weight:
- 6.23 LBS
- MFG Part #:
- YK GM8.5
$259.89 -
Master Overhaul Kit GM 12 Bolt Car YKNYKGM12P
YUKON GEAR AND AXLE
$310.89A worn differential is the silent killer of rear-end performance—it compromises handling, increases wear on drivetrain components, and can strand you mid-race. This master overhaul kit gives you everything needed to restore your GM 12-bolt to factory...YKNYKGM12P- SKU:
- YKNYKGM12P
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
- MFG Part #:
- YK GM12P
$310.89 -
Winters aluminum Wide 5 axle housing tube 30-3/16 in length 3 in OD black anodized WIN6672L-36
WINTERS
$212.99If you're running a 3/4 ton Wide 5 rear axle setup, you need an axle housing tube that can handle sustained track loads without adding unnecessary weight. Winters Performance's aluminum housing delivers the strength-to-weight ratio that separates...WIN6672L-36- SKU:
- WIN6672L-36
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MFG Part #:
- 6672L-36
$212.99 -
Winters 28-3/16" Aluminum Axle Tube 3" OD Straight 3/4 Ton Wide 5 Black Anodized 6672-34
WINTERS
$253.99If you're building or upgrading a 3/4 ton Wide 5 rear axle, this Winters aluminum axle tube delivers the straight geometry and lightweight construction your suspension demands. The black anodized finish resists corrosion in harsh track and off-road...WIN6672-34- SKU:
- WIN6672-34
- Availability:
- Ships Same Business Day
- Weight:
- 6.63 LBS
- MFG Part #:
- 6672-34
$253.99 -
Winters 8-Bolt Wide 5 Spindle Snout Heat Treated Steel WIN6620HT
WINTERS
$136.99A quality rear axle snout is critical to maintaining consistent wheel alignment and bearing integrity under racing conditions—this direct-bolt replacement eliminates guesswork and ensures your drivetrain performs with precision. The Winters 8-bolt...WIN6620HT- SKU:
- WIN6620HT
- Availability:
- Ships Same Business Day
- Weight:
- 4.58 LBS
- MFG Part #:
- 6620HT
$136.99 -
Winters 8-Bolt Wide 5 Cambered Spindle 1.5° Steel Snout WIN6620C-15HT
WINTERS
$174.99If you're running a Wide 5 rear end and need precise geometry control, a quality cambered spindle is essential for dialing in your suspension setup. The Winters 8-Bolt Wide 5 Cambered Spindle delivers the 1.5-degree camber offset required for optimal...WIN6620C-15HT- SKU:
- WIN6620C-15HT
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
- MFG Part #:
- 6620C-15HT
$174.99 -
Winters 8 Bolt Cambered Spindle Wide 5 Snout 1 Degree WIN6620C-10HT
WINTERS
$178.99If you're running a dedicated racing platform with a Wide 5 hub, rear axle geometry is non-negotiable for consistent handling and tire wear. The Winters 8 Bolt Cambered Spindle delivers a factory-engineered 1.0-degree camber built into heat-treated...WIN6620C-10HT- SKU:
- WIN6620C-10HT
- Availability:
- Ships Same Business Day
- Weight:
- 4.54 LBS
- MFG Part #:
- 6620C-10HT
$178.99Qty in Cart: 0Quantity:Price:$178.99Subtotal: -
Winters 8-Bolt Cambered Spindle Wide 5 0.5° Camber Steel WIN6620C-05
WINTERS
$195.99If you're running a rear axle setup that demands precision alignment and bulletproof durability, this Winters cambered spindle delivers the geometry and strength required for consistent track performance. The 0.5-degree camber angle optimizes tire...WIN6620C-05- SKU:
- WIN6620C-05
- Availability:
- Ships Same Business Day
- Weight:
- 4.61 LBS
- MFG Part #:
- 6620C-05
$195.99 -
Winters 4.11 Ring & Pinion 10 Spline Steel Bearings Included WIN5715
WINTERS
$697.99A 4.11 gear ratio strikes the ideal balance between acceleration and drivability, making it the go-to choice for racers and street enthusiasts who demand responsive performance without sacrificing cruising capability. This Winters ring and pinion set...WIN5715- SKU:
- WIN5715
- Availability:
- Ships Same Business Day
- Weight:
- 17.74 LBS
- MFG Part #:
- 5715 w/9147 Option
$697.99 -
Winters 4.11 Ring & Pinion Set 10 Spline Steel 12-Bolt 10 in Quick Change WIN5714
WINTERS
$598.99If you're running a Winters 12-Bolt 10-inch Quick Change differential and need aggressive acceleration without sacrificing midrange performance, the 4.11 ring and pinion set delivers the gear ratio that separates competitive lap times from the field...WIN5714- SKU:
- WIN5714
- Availability:
- Ships Same Business Day
- Weight:
- 14.60 LBS
- MFG Part #:
- 5714 w/9147 Option
$598.99 -
Winters Ring & Pinion 4.86 Ratio 10 Spline with Bearings WIN5401
WINTERS
$614.99If you're running a Winters Quick Change differential in competition, your gear ratio directly impacts acceleration, top-end speed, and overall track performance. The 4.86 ratio in this ring and pinion set delivers aggressive low-end response ideal for...WIN5401- SKU:
- WIN5401
- Availability:
- Ships Same Business Day
- Weight:
- 18.50 LBS
- MFG Part #:
- 5401/8104/9147
$614.99 -
Winters 4.86 Ring & Pinion Steel 10 Spline 12-Bolt 10 in Quick Change WIN5400
WINTERS
$549.99A 4.86 gear ratio delivers aggressive acceleration and higher RPM engagement per gear—essential for bracket racing, drag strips, and short-track competition where quick off-the-line response separates winners from the field. Winters' steel construction...WIN5400- SKU:
- WIN5400
- Availability:
- Ships Same Business Day
- Weight:
- 15.28 LBS
- MFG Part #:
- 5400/9147
$549.99 -
Winters Aluminum Spool Carrier Shim 2.031 in ID Steel Set of 12 WIN5295
WINTERS
$9.49Differential shimming is critical to eliminating backlash and maintaining consistent lock-up in high-performance spools—improper shim selection leads to play, noise, and premature wear. This OEM-quality steel shim set is engineered specifically for...WIN5295- SKU:
- WIN5295
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 5295
$9.49 -
Winters Aluminum Spool Setup Checking Bearing 2.031 in ID Steel WIN5294
WINTERS
$35.99Setting up a Winters aluminum spool requires precision—and this checking bearing eliminates guesswork during the critical shim adjustment phase. By using this dedicated setup tool, you can dial in your spool's preload and endplay before pressing on final...WIN5294- SKU:
- WIN5294
- Availability:
- Ships Same Business Day
- Weight:
- 0.75 LBS
- MFG Part #:
- 5294
$35.99
