ARP 1/2-13 and 1/2-20" Thread Stud 4.750" Long Broached Chromoly - Black Oxide 4920901 "dual chamber" pumping mechanism

"dual chamber" pumping mechanism

Relay Switch

suitable for engines making up to 4000 HP

Comfortable and breathable

ARP 1/2-13 and 1/2-20" Thread Stud 4.750" Long Broached Chromoly - Black Oxide 4920901 "dual chamber" pumping mechanismARPs 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: Stud 1 2 13 and 1 2 20 in