ARP Buick 350-455 3/8" 12pt header bolt kit 120-1201 Angle Finder & Level Manufacturer's Part Number: ATI356300

Manufacturer's Part Number: ATI356300

Rear Motor Cover Bolt Kit

Part Number: AF745-02S

Part Number: AR773-1002

ARP Buick 350-455 3/8" 12pt header bolt kit 120-1201 Angle Finder & Level Manufacturer's Part Number: ATI356300ARP Buick 350 455 3 8" 12pt header bolt kit (120 1201) ARP Chromoly Header Bolt Kits 120 1201 ARP manufactures a variety of header bolt kits to facilitate the installation of your headers. Rated at 170,000 psi, they're much stronger than stock and will last under even the most severe conditions. Each kit includes the specific number of parts required for the desired application, plus premium quality washers and either hex or 12 point heads. Brand: ARP