Hose End Fitting Type 1: 7/16 - 24 Flare Hose End Fitting Type 2: 7/16 - 20 External Thread Overall Length: 16.6 in. Chevrolet Bel Air 1966 - 1966 Chevrolet Biscayne 1966 - 1966 Chevrolet Caprice 1966 - 1966 Chevrolet Impala 1966 - 1966