This is a NEW 26 based on 27 Spline GM Slip Yoke.This yoke has 26 splines in the yoke and 27 on the transmission output. This Popular GM Transmission Slip Yoke is 5.469” long from the end of the barrell to the center of the u-joint. It uses a 1310 Series U-Joint (TD329) and is 3.218" wide with 1.062" caps using outside clips and is stock on many older GM model applications. This Slip Yoke comes with a 90 day Warranty. Warranty valid under normal use only (racing, engine modification, suspension alteration ect.) will void warranty. If you have any questions concerning our products, please message us directly through Amazon and well be happy to assist you!: