Description: Advantages: Comes with 2pcs ANTI-LEAK Rubber Ring Seals Application: For NAPA 4003 WIX 24003 Fuel Solvent Filters(ONLY for car uses) Features: This product is the outcome of a design process in which every detail was meticulously thought of and executed to perfection. This For NAPA 4003 WIX 24003 FUEL FILTER End Cap made from 7075 Aircraft Grade Aluminum with 1/2-28 5/8-24 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} Improvements: 1. Length increased to perfectly fit 8 storage cups - allowing for more space for you trek. 2. Walls thicker for increased rigidity and durability. 3. 7075 aluminum for a strong but lightweight tube. 4. Octagonal tube body allows for better grip and improved aesthetics. 5. End cap threading allows for easy swapping. 6. Anodized in Black color Specifications: STORAGE CUPS (Set of 8) 1. 8 Pcs 7075 Aluminum Storage Cups 2. Dimensional design divots on both ends of the cups are placed at true center for aesthetic appeal 3. 1.375 OD., .925'' height 4. A lip at the bottom of each stackable storage cup ensures a tight seal allowing for sealed compartments to keep your valuables dry and protected. Package Included: 1 x Tube 2 x End Cups 8 x D Cell Storage Cups 2 x Seal Rings