https://es.billetrotary.com.au/product-page/13b-1-2unf-stud-kit-cosmo
13B 1/2UNF STUD KIT (COSMO) | billet-rotary-store
This 13B stud kit is used with Factory Mazda cast iron (Cosmo/FD) plates.kit uses 7 longer studs (16 studs in total) with double ARP 12 point nuts *Kit...
studkitcosmobilletrotary