- Not vehicle specific. Customer is responsible for confirming this product fits their vehicle.
ARP 185-4201 - Olds 455 12pt head stud kit (Sold as a kit)
ARP Pro Series Cylinder Head Stud Kits are heat-treated prior to thread rolling and machining and are rated at a whopping 200,000 psi for the 8740 material and 220,000 psi for ARP2000. They are available with 12-point nuts, and come packaged with hardened parallel washers for an even load distribution and accurate torque readings.Note: TDot Performance is an authorized dealer of all ARP products, so your new product will include the full factory warranty. What more? We are proudly Canadian but have warehouses in both Canada & USA, so whether you are Canadian or American, you WILL NOT pay any Custom, Duties or Brokerage fees!
Since 1968, ARP has been engineering bolts, studs, nuts, and other fasteners for engines, cylinder heads, headers, wheels and transmissions. The company is the world leader in automotive fasteners and many top engine builders rely on ARP racing products to hold their engines together.