Compatible for Mazda BP 1.8 Engine Bolts: Including ARP 2000 5/16" bolts (Note: Extra cost for upgrading to ARP L19 bolts). ARP 2000 bolts ,Optional ARP L19 fasteners available as an upgrade；. 2x Rear Brake Unit Caliper for Mazda MX-5 1993-2005 NA752671X NA752661X 32mm.
