This Exhaust Port Clamp Set is a reproduction of the originals and fits 1952 - 1976 Harley-Davidson K and XL model motorcycles. The perfect replacement for H-D OEM 65519-52 HDW. The Gasbox exhaust clamps are made here in the USA and true to the originals found on vintage Harley-Davidsons. Exhaust clamps are available in Stainless Steel. These USA-made exhaust clamps are perfect for restoring your vintage Harley-Davidson to it's original condition.