ARP Stainless Steel Header Stud Kit - 3/8" x 1.670" - Hex - SB Chevy 10000405 ALL90045 features two additional 1/8"NPT

ALL90045 features two additional 1/8"NPT ports commonly used when plumbing valve spring oilers

GM A-Body / F-Body / G-Body 1964-74

Honda Pilot 2003-08

12 Point Hex Head

Block / Water Pump Mount

ARP Stainless Steel Header Stud Kit - 3/8" x 1.670" - Hex - SB Chevy 10000405 ALL90045 features two additional 1/8"NPT300 series stainless steel bolts are available in either hex or 12 point head styles. Each ARP kit includes the correct number of fasteners for your application. 170, 000 psi tensile strength. ARPs 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,