1 filter kit & 1pcs Alloy Fuel Filter Single Core,with outer tube, core , End Caps ( one opening and one sealed) and hose End Cap made from 7075 Aircraft Grade Aluminum with 1/2-28 or 5/8-24 threads (choose from the listing) unique designed by our team with Spiral Pattern filter elements made from 7075 Aluminum Center Marked. Great for a fuel filter, a dryer, a cleaner. Strength: since it's a solid piece. Fuel Type: fuel filter Interchange Part Number: Napa 4003 Other Part Number: Wix 24003 Thread: 1/2-28 Application:Check with the size you want. Specification:more responsive, less expensive, easier to install. 1.050 inch OD, 7/8 inch ID, and Overall Length of 6 inch. 1.365 inch OD Single Piece elements 0.400 inch ID Overall Length of 6 inch Reliability: fewer moving/shifting parts. 1Pcs End Cap with1/2-28 threads and 1Pcs End Cap Center Marked for Precision drilling of hole. 7Pcs 60 Degree Cone filter elements- made from 6061-T6 Aluminum Center Marked for Precision drilling of hole. 1Pcs Spacer made from 6061-T6 Aluminum.(NOT some CHEAP spring that will become weak after repeated cycles of high temperatures) Material: Aluminum alloy Color: BLACK Package Contents: 1 * Filter Kit 1x outer tube 1x core 2x End Caps ( one opening and one sealed) 1x hose