Cylinder Head Stud (Pack of 9) Models 1040, 1140, 1350, 1550, 1630, 1640, 1750, 1840, 1850, 1950, 2040, 2040S, 2130, 2140, 2250, 2450, 2650, 2850, 3040, 3050, 3100, 3110, 3140, 3150, 3200, 3210, 3300, 3310, 3350, 3400, 3410, 3640, 3650, 5620, 5720, 5820, 6010, 6020, 6100, 6110, 6120, 6200, 6210, 6220, 6230, 6300, 6310, 6320, 6330, 6400, 6410, 6420, 6430, 6505, 6506, 6510, 6520, 6530, 6600, 6610, 6620, 6630, 6800, 6810, 6820, 6830, 6900, 6910, 6920, 6930, 7430, 7530, 840, 940, Ergos 85, Ergos 85-4, Ergos 95, Ergos 95 Hydro, Ergos 95-4, Ergos 95-4 Hydro