Mercury V6 2.0, 2.4 and 2.5 litre head stud kit.
Kit contains high tensile studs, heavy duty 316 S/S washers and heavy duty 316 S/S nuts as outlined below:
24 x OD 9.525 x 92mm studs
24 x OD 19 x 4mm washers
24 x OD 15.875 x 16mm nuts