ARP Porsche Head Stud Kit - 911-930 Turbo 11000403 Cold junction compensated for lab-grade

Cold junction compensated for lab-grade accuracy (+/- 0

The reason for spread port heads is to achieve additional cooling in the center of the head where the heat concentration is greatest

Thunderbird

Engineered design resists spring lean and bow

ARP Porsche Head Stud Kit - 911-930 Turbo 11000403 Cold junction compensated for lab-gradeARPs 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