8 - 50mm Universal Engine Core Plug Zinc Plated Freeze/Expansion Plugs for Cylinder Head & Block Welch Frost Plug Replacement Part

Complete Core Plug Solution for Engine Repairs! This multi-size core plug set provides durable zinc-plated replacements for worn or corroded freeze plugs (also called welch plugs or frost plugs). Perfect for engine rebuilds, head gasket jobs, or preventative maintenance. ✔ Full Size Range: 8mm to 50mm coverage for most passenger/light commercial vehicles ✔ Zinc Plated Steel: 3x more rust-resistant than bare steel plugs ✔ Cup Expansion Design: Creates tight seal in block/head coolant passages ✔ Universal Fit: Works with Ford, Toyota, BMW, VW and more ⚠ Note: Always measure your original plug's diameter and depth before ordering. Package include：1pc,if you want buy more there will be huge discount for you,just contact us !!