ARP Cylinder Head Stud Kit - 11 mm Studs - 12 Point Nuts - Chromoly - Black Oxide - Undercut - Acura B-Series 208-4303 R07C15W50 The Energy Suspension polyurethane bushings

The Energy Suspension polyurethane bushings featured on both ends eliminates bushing deflection while not sacrificing your ride quality

Matte Black Rubber Styling SleeveSince 1962

500 lb/in Spring Rate

Eliminates flat spots off idle or at any other RPM range

ARP Cylinder Head Stud Kit - 11 mm Studs - 12 Point Nuts - Chromoly - Black Oxide - Undercut - Acura B-Series 208-4303 R07C15W50 The Energy Suspension polyurethane bushingsARPs 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 11