Yoke: drive shaft Powerglide/ T350/ MT +++ 27 splineBrand new drive shaft to Gearbox .. Turbo 350 Auto.. Yoke for 27 Spline Transmissions. This yoke accepts 1310 series u joints, which have 1 1 16" outside diameter cups and measure 3 7 32" wide to the outside of the cups. The following transmissions have 27 spline output shafts: Powerglide Saginaw 3 Speed Saginaw 4 Speed Muncie 4 Speed Borg Warner T 4 GM Borg Warner T 5 GM T 350 GM TH 350 GM T 56 700R 700R4 4L60 4L60E 4L70E 4LL0E 200 Metric Brinn Bert