Crankcase Thru bolt Kit for Porsche 911-930 Turbo, 2.0L-2.7L air cooled engines

Crankcase Thru bolt Kit for Porsche 911-930 Turbo, 2.0L-2.7L air cooled enginesThere are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. The studs

drive toolMade from heat-treated 8740 chrome moly steel withheavy-duty black oxide finish

Finish: Baked

For those who prefer bolts

Specially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening

ARP has introduced a line of premium quality weld-in bungs

This procedure ensures complete heat penetration and the resultsare far superior to those lesser quality studs from other manufacturerswho just dump pieces in a basket and hope for the best

Available in black oxide finish 8740 chrome moly or polished stainless steel with hex or 12-point nuts

and female O-ring types

Material: Stainless Steel

hard-to-reach coils)

This material is heat-treated to provide a tensile strength in the 200

because it’stough on tooling