Feature 1OE Number: The referencing OE number of this rebuild kit is 21533400, which is molded and designed depend on the original data. 2Fitment: The carburetor rebuild repair kit is a replacement for 4.3L 5.0L 5.7L Models with Holly Carburetors, please check the model and carb before ordering. 3Function: Rebuild your carburetors old part, make it stable and sealed after reinstallation and run at a better performance, make your engine last longer. 4Premium Material: The accessories are made of heavy duty material, which could provide better sealing performance, durable, wear resistant and durable. 5Easy to Use: The carburetor overhaul kit comes with complete parts, you can easily operate even if you are not an expert, greatly saving the time and effort.Item Type:CarburetorRebuildRepairKitOE Number:21533400Fitment:Fits for4.3L 5.0L 5.7L models with Holly carburetors .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List9 x Accessory18 x GasketNotePlease double check the part number of your item, matching information is for reference only.If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!