Specification: Made with High Quality Aluminum for Enhanced Strength and Durability Replaces Factory Plastic Tank for a Heavier Duty Model Reuses Factory Hoses 100" Thick Aluminum Walls Fitment: For 1990-1993 Mazda Miata 1.6L For 1994-1997 Mazda Miata 1.8L Package Includes: 1 x Coolant Recovery Overflow Tank Notes: 100% Brand New Professional Installation is Highly Recommended Installation Instruction is NOT Included .