Day 9, December 17th, 2014 10% off ARP Head Stud and Cometic Head Gasket Packages. Buy Here !!!! These are already reduced since they are a package deal so now you can save even more !!! Obtaining the optimum cylinder head-to-block sealing is especially critical in small displacement engines employing high compression pistons or power adders like turbochargers, nitrous oxide, or superchargers. That's why ARP head studs are popular among leading Sport Compart racers. Cometic headgaskets are MLS (Multi Layer Steel) for the best possible seal at the best possible price. Headgaskets included in this kit will be the standard .030" thick gaskets. We can supply thicker head gaskets if need -- Please inquire for pricing and availability.