You are buying a High-Quality Aftermarket Transmission Slip Yoke that fits the following transmission cases:
GM 1350 Series Slip Yoke 27 spline Powerglide, Turbo 350, 700R, 200R and 4L60 Transmission Slip yoke.
Also fits Muncie M20 & M21, Saginaw, Borg Warner T-5 T-10 & T-56 27 spline manual transmissions and other GM automatic transmissions with 27 spline output.