Transom Bellows Kit with Gimbal Bearing for Mercruiser Stern Drives 1973-1990. Similar to Mercruiser 30-803097T1. This comprehensive kit for Mercruiser R, MR, 1 or Alpha One drives from 1983-1990 (serial no.'s 3472478 and up). Kit includes: Shift Bellows Kit (replaces 74639A2), Exhaust Bellows Kit (replaces 18654A1), U-Joint bellows Kit (repalces 60932A4), Gimbal Bearing (replaces 879194A02, older 30-60794A4), Outdrive mounting gasket set (replaces 27-94996Q2), 3/4" and 5/8" water intake hoses.