ARP Porsche Head Stud Kit - 911-930 Turbo 931127 The air jack system fastens

The air jack system fastens directly to your chassis and uses air pressure supplied by a nitrogen tank to raise your entire car in seconds

The Hans Device has proven so effective it has been mandated by virtually all professional racing sanctioning bodies including NASCAR

NecksGen REV uses the quick release helmet attachment system proprietary on all NecksGen products

25' barb and AN-16 Male inlet

and rod bearing clearances

ARP Porsche Head Stud Kit - 911-930 Turbo 931127 The air jack system fastensARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Cylinder Head Stud Kit 12