This listing is for a brand new set of High Performance Series Cylinder Head Bolts with 6-point hex heads from ARP that are made in the USA. Set includes enough bolts and washers for two heads.

• Part Number: 154-3603
• Head Style: 6 Point
• Rating: 180,000 PSI

They fit small block Ford 351W Windsor engines with OEM cast iron heads and also Edelbrock part number 60259 and 60379 heads.

ARP High Performance Series bolts are 180,000 psi (which is 15% stronger than Grade 8) and are far superior to OEM bolts. They come complete with hardened parallel-ground washers and are forged from aerospace alloy and heat-treated prior to thread rolling and machining.