ARP Custom Age 625 Head Studs

ARP Custom Age 625 Head Studs

Regular price $350.00 Sale

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 required as these are a direct drop-in replacement for the OEM head stud!

Yield Strength: 235-255,000 PSI
Tensile Strength: 260,000 PSI