These Exhaust Port Clamps are a reproduction of the originals and fit 1952-1971 Harley-Davidson K and Sportster XL model motorcycles. The perfect replacement for H-D OEM part 65519-52. 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 a Stainless Steel. These USA-made exhaust clamps are perfect for restoring your vintage Harley-Davidson to it's original condition. Sold in pairs.