Speedmaster Ford 9" 40 Spline TorqueWorm Limited Slip Differential 4" Case PCE204.1067

The Speedmaster Ford 9" 40 Spline TorqueWorm Limited Slip Differential (PCE204.1067) is a precision differential assembly engineered for Ford 9-inch rear axles. This limited slip differential features a TorqueWorm design with 40-spline capability, delivering improved traction and handling by controlling wheel slip during acceleration and cornering. The unit fits a 4-inch case configuration and is ideal for performance driving, street rod applications, and vehicles requiring enhanced differential performance.

Built to OEM specifications, this differential improves power distribution to both rear wheels while minimizing tire spin, making it suitable for muscle cars, hot rods, and high-performance street vehicles. The TorqueWorm design reduces maintenance compared to some alternative LSD designs while maintaining reliable torque bias characteristics. Direct fitment for compatible Ford 9-inch axle housings ensures straightforward installation for enthusiasts and professional shops alike.

Key Features & Benefits

• TorqueWorm Design: Limited slip mechanism minimizes wheel slip and improves traction during hard acceleration and cornering.
• 40 Spline Configuration: High-capacity spline count engineered for robust power transmission in performance driving.
• Ford 9" Compatibility: Direct fit for Ford 9-inch rear axles with 4-inch case design.
• Performance-Oriented: Enhances power distribution to both rear wheels for improved handling and acceleration control.

Specifications

Ideal Applications

• Performance street driving and acceleration control
• Hot rod and muscle car rear axle upgrades
• High-performance street vehicles requiring enhanced traction
• Off-road and weekend racing applications