C4 Automatic Transmission Output Shaft, 1973-77 Ford Bronco

C4 Transmission Output Shaft – 28 Spline

Convert your standard C4 transmission for Bronco use with this C4 Output Shaft, designed specifically to adapt a non-Bronco C4 transmission for proper fitment in 1966–1977 Early Ford Broncos. Featuring a 28-spline design, this precision-machined shaft connects directly to the C4 transmission, allowing seamless integration with your Bronco’s transfer case.

Built from high-strength, heat-treated steel, this output shaft is engineered for durability, smooth power transfer, and reliable off-road performance — perfect for transmission swaps, rebuilds, or drivetrain upgrades.

Key Features:

• Fits 1966–1977 Ford Broncos with C4 automatic transmission

• Required to convert non-Bronco C4 transmissions for proper Early Bronco fitment

• 28-spline output shaft for factory-style compatibility

• Made from hardened, precision-machined steel for strength and longevity

• Ensures smooth power delivery and transfer case engagement

• Direct-fit replacement – installs like the original

• Ideal for restorations, transmission conversions, or drivetrain builds

• Overall length of shaft is 12 3/16" from end to end

Complete your C4 conversion the right way with this 28-Spline C4 Transmission Output Shaft — a precision-engineered, high-strength component built to deliver factory fit and Bronco-ready performance.