ARP Stainless Steel Header Bolt Kit - 12-Point - 5/16" Wrench - 3/8"-16 - 0.750" Length - Set of 16 H760C42L Measures 20-1/2" wide x 12"

Measures 20-1/2" wide x 12" tall and weighs just under 1 lb

Tool works with a cordless drill to install a threaded insert into a panel or bracket

Securely add weight where it’s needed

1975-1981 Pontiac Grand Prix

1-1/4 in OD

ARP Stainless Steel Header Bolt Kit - 12-Point - 5/16" Wrench - 3/8"-16 - 0.750" Length - Set of 16 H760C42L Measures 20-1/2" wide x 12"ARP manufactures 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 is not affected by corrosion or extreme heat, making it ideal for the application. What's more, thecompact 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