Mini 9 stud competition head stud, nuts and washer kit
C-AHT279- HEAD STUD/NUT & WASHER KIT (9 STUD KIT ONLY)
This kit of head studs is the best available for road and lightly tuned engines. See the C-AHT280 set for highly tuned engines. The material spec is alloy steel heat treated to 75 tensile tons per square foot minimum and finished in chemical black.