ARP 2000 11mm Head Studs for EJ SOHC Engines Access Port ACT Heavy Duty pressure plates

ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load

Operating voltage = + 6 to +18V (restrictions apply)

but for those of us who live (And tune

boost by rpm

Added ground and 5V wires spliced in with labels suggesting pin use

ARP 2000 11mm Head Studs for EJ SOHC Engines Access Port ACT Heavy Duty pressure platesThis stud kit is a bare minimum for any turbo project other than stock. Outfront Recommends this stud kit from stock 450HP. Affordable, no machining required, Allen socket head for easy installation, includes washers and nuts. Typical tensile strength is 230ksi, typical shank diameter . 361"