These are a 28 column measured from end of the D-D coupler to the end of the column itself (minus the steering wheel adapter). Total length is 30-1/2 to steering wheel flange if you include the adapter. Columns use a horn wire system and have a standard 4-1/4 male wiring harness, which was common in most GM columns'69 GM applications. Pre-Wired with a GM OEM-Type Plug. Please note our column is GM style universal may not be directly fit.
Correct size u-joint, column Mount/drop may require. Steering column is GM style universal may not be directly fit.