Retrofit style vehicle speed sensor is ideal for 90-92 TPI swaps where a 4000 pulse per mile / 4 pulse per revolution signal is required. Sensor mounts between the transmission and speedometer cable, and supplies the ECM with the needed vehicle speed signal. Can be used with just about any Chevy transmission. 7/8-18 thread, .104 square drive. Installation instructions included.

Fitment: 90-92 TPI