BMW M50 M52 S50 S52 ARP Head Stud Kit Custom Age 625+ Type:Custom Age 625+ *There is no machining required

*There is no machining required for the rear calipers to fit with this bracket

ideal for engines / transmissions with smaller bell-housings

simplifying installation

1982-1994     E30     323i

BMW M50 M52 S50 S52 ARP Head Stud Kit Custom Age 625+ Type:Custom Age 625+ *There is no machining requiredIn collaboration with ARP, we offer a unique material called Custom Age 625+. This material has a tensile strength of 260 ksi, which is substantially higher than the 190 ksi of the ARP 2000 head stud. It's an ideal choice for individuals who want to push the limits of their M50 M52 S50 S52 Turbocharged and Supercharged engine builds and require a stronger head stud. Using Custom Age 625+ head studs allows you to increase boost levels without the