This is a complete 20 piece Titanium Lug Bolt Set for the Porsche Cayman all model years including the Cayman GTS. Manufactured from aerospace grade 6AL4V Titanium, these titanium lug bolts will not corrode or rust and offer a significant weight savings on your Porsche while giving a very sporty and aggressive look. Rolled threads for superior fatigue resistance. Available in natural 6AL4V Titanium color. Special introductory price get a set while they last! 29mm shaft length which is the original length unless you are using spacers.