High quality performance parts at the right price made in USA. Custom ARP Head Stud Kit Yamaha Waverunner 1.8L FZR FZ FX Cruiser. Part #: YH-15001 (custom kit). Custom set of ARP&#######xA0;head&#######xA0;studs. These studs are forged and thread rolled after being heat-treated which provides up to 10-times longer fatigue strength. They are precision CNC-machined to exact specifications. Made from 8470 chrome moly steel, with 200,000 PSI tensile strength. Set includes 10 studs, 10 12-point nuts, 10 parallel ground washers, and instruction sheet. Fits all Yamaha 1.8L SHO SVHO. Studs used to bolt down the cylinder head to the engine block. Made in the United States. Please allow 24 hours for the tracking information to update. International orders may take extra days to process. Euroexport holds the right to cancel any order at any time. &#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B;&#####x200B. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. Wiseco pistons with part number starting in KE.