ARP's 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, NASCAR and NHRA drag racing and marine applications. Product Type :Auto Part Package Dimensions :6.0 L X4.0 W X0.5 H Country Of Origin :United States Package Weight :0.29Lbs UPC 672036045074 Brand ARP Color Silver Model 400-8334 Set Name ARP 1/2-20 Stainless Steel 12pt Nut Kit Size Name Stock Metal Type Stainless Steel Unit Count 1.0 Count Item Weight 0.3 Pounds Part Number 400-8334 Thread Size 1/2 Thread Type Unified National Coarse Finish Types Painted Grade Rating Aerospace Manufacturer ARP Thread Class Coarse Thread Style 1/2-20 UNC, Right Hand Fastener Type Lock Material Type Stainless Steel Item Type Name 1/2-20 SS 12pt nut kit Exterior Finish Painted Item Dimensions 2.6 x 5.6 x 0.1 inches Number Of Items 1 Screw Head Style 12 point Inside Thread Size #8 Included Components Nut Kit Warranty Description Manufacturer warranty Part Interchange Info 400-8334 Global Trade Identification Number 00672036045074