Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP!
N55 Engines must be drilled & tapped for proper installation
Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP!
N55 Engines must be drilled & tapped for proper installation
Ditch the Stock Head Bolts for a Set of Head Studs from ARP!
Make sure you are getting the proper hardware for the job
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-03-2026