Buick 3.8L V6, 12 pack, 3/8" Size, 1.670" Overall Length, Black Oxide, Hex head, ARP Header Studs 120-1412.
ARP Header Bolts & Header Studs for Buick are manufactured in a variety of premium grade bolt and stud kits to facilitate installation of exhaust headers, including the popular stainless stud kit with 12-point nuts.
The Stainless 300 material used in ARP Header Bolts & Header Studs is not affected by corrosion or extreme heat, making it ideal for the application.
The compact 12-point nut lets you easily slip a socket close to the pipe!
Each ARP accessory stud or bolt kit includes the specific number of parts for your application, plus premium-quality washers and hex or 12-point nuts, as required.
Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading.
ARP Header Bolts & Header Studs come either black oxide chrome moly or Stainless 300, both nominally rated at 170,000 psi tensile strength, substantially stronger than Grade 8 hardware.
Specially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening.
Studs are measured OAL (Over All Length) and Bolts are measured UHL (Under Head Length).
