This is a NEW 31(in yoke) based on 32 Spline(output shaft) GM Slip Yoke. This Popular GM Transmission Slip Yoke and Transfer Case Slip Yoke is 7.94" long and used on long tail housing transmissions. The u-joint is a spicer series 1350 (TD331) with outside clips (1.188 caps-3.622 width) and is stock on many 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 we'll be happy to assist you!