ARP Cylinder Head Stud Kit - Hex Nuts - Chromoly - Black Oxide - Mopar B / RB-Series 145-4012 NPT to NPT Quick-Connect Fittings Hastings has earned its reputation

Hastings has earned its reputation as a leader in piston ring technology

All feature 1-1/2" tapers

Proform Poly Lock 66935 3/8 in

pan mounted dipstick provision built into them

ARP Cylinder Head Stud Kit - Hex Nuts - Chromoly - Black Oxide - Mopar B / RB-Series 145-4012 NPT to NPT Quick-Connect Fittings Hastings has earned its reputationARPs 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 Hex