*ARP Head Studs 625+ 94-up Mitsubishi EVO 4G63 **NEW PRODUCT**

NEW PRODUCT!!ARP Mitsubishi Evolution EVO CA625+ Head Stud KitARP\'s Custom Age 625 Plus material is newly formulated super-alloy demonstrates superior fatigue cycle life, tensile strength and toughness - with complete resistance to atmospheric corrosion and oxidation. ARP is the first to develop manufacturing and testing processes for fasteners with Custom Age 625+. Best of all, it is less expensive and expected to soon replace MP-35 as the material of choice in the high strength, super-alloy field. Typical tensile strength is 260,000 psi.Because of the many head lifting issues on 4G63 blocks running in excess of 35+ PSI, a stronger stud needed to be manufactured to meet the demands of today\'s top engine builders and racers alike. No Modification to your cylinder head or block is req