Description 1965 to 1989   Porsche 911 and 912 models , complete rear IRS hub / springplate bolt kit , made to the same high tensile grade as the originals 10.9  M12 x 1.5 thread pitch , these are 30mm long in the thread area and have been Zinc plated in the traditional Gold colour    (YOU ARE BUYING JUST THE SPRINGPLATE BOLTS ) Kit contains    4 x 12mm Bolts  12 x washers 4 x Schnorr serrated lock washers 6 x Full nuts 2 x Half nuts Enough parts for 1 car .