We recommend replacing intake manifold studs and nuts when re-installing the head.
Our exclusive kits include:
• (9) M8 × 1.25 × 48mm long studs (choose gold Zinc-plated Grade 8 Steel or the Deluxe kit with ARP Stainless Steel broached-end studs) • (9) M8 × 1.25 silver Zinc-plated Steel flanged non-serrated nuts • (9) M8 Nord-Lock washers • (1) M8 × 1.25 tap to chase threads in head • (1) Stainless Steel wire tube brush to clean debris from chasing threads in head • the Deluxe kit with ARP Stainless Steel broached-end studs includes an Allen key
UPGRADE OPTIONS:
Cotronics Resbond 907TS threadlock is available here.
Mazda intake manifold gaskets are available here.
Stage8 nut & retainer kits are available here.