Genuine Porsche Parts. Seal kit for 5-speed manual transmission. Consisting of: 4x O-ring seal 4x, 4x shaft seal, O-ring and 2x 1x bellows; suitable for Porsche 928 / S / S4 / CS / GT / GTS (with gearbox code letter G28.03 / 05/12/13/55 and 57) built between 1978-1995.