Thru-Bolt - M6-1.0 Hex x 181mm Hex Washer Head; 10mm Drive - Delco 28MT Starters (6468, 6469, 6570, 6571, 6572, 6573, 6574, 6575, 6576, 6577, 6578, 6579, 6580, 6581, 6582, 6583, 6584, 6585, 6586, 6587, 6588, 6589, 6590, 6591, 6592, 6593, 6594, 6595, 6596, 6597, 6598, 6599, 6600, 6601, 6602, 6603, 6611, 15421, 15425, 19719)