NEW IN BULK PACKAGING CHROME PLATED Chrome steel twist in/on breather cap Universal Chrome Steel Twist-On with Tube Breather Cap. For Valve Covers and Oil Filler extension tubes with 3/8" Tube for PCV valve. Designed utilizing the latest technology, this product delivers the performance you've been looking for. With this twist-on breather you will keep emission control system in your vehicle working properly. Perfect for your vehicle, this product will outperform your expectations. Base Finish Natural Base Material Steel Breather Top Style Plain Breather Tube Yes Diameter (in) 2.750 in. Fits Valve Cover Hole Size 1.220 in. Grommets Included No PCV Valve No Quantity Sold individually. Top Finish Chrome Top Material Steel Valve Cover Breather Attachment Twist-on Air Cleaner Top Style Metal  Inside Diameter 1 in (25 mm) Flange Length 0.5 in (13 mm) Height 2.5 in (64 mm) Outside Diameter 2.5 in (64 mm) Top Material/Finish Chrome Product Style Breather Air Filter Air Filter Color White CHECK OUT OUR FEEDBACK. EXCELLENT FEEDBACK ENSURES GREAT CUSTOMER SATISFACTION WITH OUR PRODUCTS! CHECK OUT OUR STORE FOR OTHER GREAT PRODUCTS AND AMAZING DEALS ON PERFORMANCE PRODUCTS AND ACCESSORIES!