Brand new 27-spline 3R or 1344 series u-joint transmission slip yoke. Fits GM Transmissions with 27-splines output shafts, including: 200-R4, TH-350, 700R4, 4L60E, POWERGLIDE, T-5, T-56, M21. This transmission yoke is fully splined and has no vent hole. Please contact us if you are unsure of compatability to guarantee a 100% accurate fitment. Includes a 1-Year Unlimited Mile Warranty.