Speedway Motors 9” Rear Axle Kit Compatible w/ 64-66 Ford Mustang, 3.50:1 Posi 3rd Member & Disc Brake System, Bolt-In Replacement Housing w/ 31-Spline Axles & Vented Rotor Brake

★★★★★ 4.7 113 reviews

US$1,088.40
Price when purchased online
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US$1,088.40
Price when purchased online
Free shipping Free 30-day returns

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Product details

Management number 228279531 Release Date 2026/05/31 List Price US$1,088.40 Model Number 228279531
Category
  • Direct-Fit Rear Axle Replacement: Designed as a bolt-in upgrade that replaces the original 1964–1966 Compatible with Mustang rearend housing while retaining compatibility with factory-style suspension systems.
  • Hand-Assembled for Quality: Each axle assembly is professionally built by trained technicians to ensure precise fitment, improved durability, and exceptional performance value.
  • Strong 31-Spline Axle Setup: Includes new stamped housing, 31-spline axles with bearings and studs, and reinforced brackets, offering major strength gains over original factory components.
  • Complete 3.50:1 Posi Third Member: Features a nodular iron center section, clutch-style posi traction differential, forged steel yoke, precision-set gears, and Daytona-style pinion support.
  • Disc Brake Kit for Better Stopping Power: Includes caliper brackets, 11-1/4" vented rotors, GM metric-style calipers, pads, and hardware for improved braking performance over stock drum brakes.

ASIN B0G23D379R
Brand Name Speedway Motors
Item Weight 243 Pounds
Manufacturer Speedway Motors
Model Number 9100227
Automotive Fit Type Vehicle Specific Fit
Included Components Includes product as described
Is Assembly Required No
Manufacturer Part Number 9100227
Manufacturer Warranty Description See Return Policy

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