ARP 9 mm x 1.00 Thread Nut 11 mm 12 Point Head Chromoly Black Oxide - Universal 4122BU Fuel Injected Engines: E85 up

Fuel Injected Engines: E85 up to 1330 FWHP - naturally aspirated up to 980 FWHP - forced air induction

Racing Harnesses Off Road Racing-Stock Car Type

Holley style carburetors

TCI® has combined what they have learned at the track with their engineering department to develop products that give both performance and value

ARP 9 mm x 1.00 Thread Nut 11 mm 12 Point Head Chromoly Black Oxide - Universal 4122BU Fuel Injected Engines: E85 upARPs 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: Nut 9 mm x 1. 00 Thread 11