Description: This For NAPA 4003 WIX 24003 FUEL FILTER Overall Length of 10 inches End Cap made from 7075 Aircraft Grade Aluminum with 1/2-28 threads End Cap made from 6061-T6 Aluminum Center Marked for Precision drilling of hole. 60 Degree Cone filter element made from 6061-T6 Aluminum Center Marked for Precision drilling of hole Spacer made from 6061-T6 Aluminum {NOT some CHEAP spring that will become weak after repeated cycles of high temperatures} Specifications: 100% new tube made from 6061-T6 aluminum Package Included: 1* Set 1/2-28 Fuel Filter kit(13Pcs/Set)