The Speedmaster PCE659.1003 is a direct-replacement first gear designed specifically for Ford Toploader 4-speed transmissions found in 1964–1973 Mustang and Falcon applications. Featuring a 32-tooth count, this gear is engineered to restore proper first-gear engagement and reliable power transfer in your classic Ford drivetrain.
Whether you are rebuilding a worn Toploader or upgrading a faulty unit, this first gear provides a precise OEM-style fit for a straightforward installation. Trust Speedmaster's commitment to quality to keep your vintage Mustang or Falcon shifting smoothly for years to come.