The Spectre Magna-Clamp 3960 is designed to fit 1-1/8 inch inside diameter radiator hose that have a maximum outside diameter of 1.70 inch including any covering. The
stainless steel gear drive clamp features a two-piece red and blue anodized aluminum housing that provides secure tightening at an affordable price. Magna-Clamps are
designed to perform as well as they look and are ideal for race, street, and show.
