header studs/bolts. Made in America. ARP quality.

Universal Bolt Kit, 5/16" Wrench, 16 Pack, 3/8" Size, 1.000" Underhead, Hex Head, Stainless 300, ARP Header Bolts 400-1110 ARP Header Bolts & Header Studs are universal. ARP manufactures a variety of premium grade bolt and stud kits to facilitate exhaust header installation, including our popular stainless stud kit with 12 point nuts. ARP Header Bolts & Header Studs are made of 300 stainless steel material and are not susceptible to corrosion or extreme heat, making them ideal for your application. Plus, the compact 12-point nut lets you slide the socket close to the pipe! Each ARP accessory stud or bolt kit includes a specific number of parts to suit your application, plus premium quality washers and hex or 12 point nuts as needed. Studs are manufactured with a unique nut starter nose to prevent cross-threading. ARP header bolts & header studs are either black oxide chromium moly or stainless steel 300. Both have a nominal 170,000psi tensile strength. Much stronger than grade 8 hardware. A special drilled "NASCAR" model is available for those who wish to safely route their header bolts to the special "NASCAR" model. Studs are measured OAL (overall length) and bolts are measured UHL (under head).


Manufacturer: ‎ARP
Brand: ‎ARP
Product size: ‎18.8 x 11.68 x 1.78 cm; 226.8 g
Product model number: ‎4001110
Original part number : 400-1110
Product dimensions: Depth x Width x Height: 18.8 x 11.7 x 1.8 cm
Product weight: 227 g