Features: 1.Fitment: Replacement for GMC Truck, replacement for Dodge, replacement for Chevy, replacement for Ford. 2.OEM Number: Replacing manufacturer part number for reference is 2771004X, hydro boost repair kit is suitable for your cars. 3.Advantage: Stable performance, help your vehicle to recover and exert strong power, and bring you more convenience. 4.Perfect Fit: Manufactured on the basis of original standard and specification, will perfectly match with your vehicle. 5.Premium Material: Hydro boost seal leak Kit is made of premium rubber material, flexible and wearproof, dependable to use. Specification: Item Type: Hydro Boost Repair Kit Material: Rubber+Metal OEM: 2771004X Fitment: Replacement for GMC Truck Replacement for Dodge Replacement for Chevy Replacement for Ford Replacement for Surburban Replacement for Jimmy Replacement for CJ-7 PackageList: 19 x Sealing Ring 2 x Metal Ring Note: 1. Please double check the part number of your item, matching information is for reference only. 2. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!