TADD TD2-3-6041X Ford C-6/T45/TREMEC 31 Spline Transmission Slip Yoke 2-3-6041X See diagram above in pictures Spicer 1330 Series U-Joint (TD-354) Slip Yoke fits theFord C-6 / T45 & TREMECTransmission 30 (inside yoke)based on31 (trans output)Spline