ARP Main Stud Kit | Acura B18A/B (208-5404)ARP Main Stud Kit Fitment: Specific to Acura B18A B engines Part #: 208 5404 Overview The ARP Main Stud Kit for Acura B18A B engines is a high quality upgrade designed to replace the factory main bolts with stronger, more durable studs. Crafted from premium materials and engineered for performance enthusiasts, this kit helps improve engine reliability and stability during high stress conditions. It is ideal for those building or modifying their