Brand: Automotive Racing Products (ARP)
High-performance ARP Main Studs are rated to 200,000 psi for exceptional strength in the most demanding applications. This kit includes a full set of main studs; flanged nuts with 12-point heads; hardened, parallel-ground washers; and a packet of ARP assembly lubricant. Fits Mazda Miata 1.6L (B6) and 1.8L (BP) DOHC engines. No modification is required to the engine block.