Mikalor Supra W4 Premium 304 Stainless Steel T-Bolt Exhaust Hose Clamps – Made In Spain

For high-performance or heavy-duty clamping, you need Mikalor Supra.

These are premium W4 series T-bolt clamps, also known as GBS or bolt and barrel clamps, made in Spain by Mikalor.

They're constructed from top-grade X5CrNI 18010 AISI-304 stainless steel for outstanding corrosion resistance—tested to 400 hours of salt spray (ASTM B-117).

Available in various pack sizes and a massive range of diameters from 17mm all the way to 408mm, these are perfect for exhaust systems, turbo piping, intercoolers, and silicone hose connections.

They deliver high, even clamping force and can handle high torque.

Choose your quantity and size for a professional, leak-free setup.