Used Wittek #88 clamp. Originally was Zinc Dichromate plated. This used clamp was used for attaching the air inlet filter assembly to the inlet bracket. 1966-67 Ford and Mercury cars and light trucks with Thermactor smog systems. Typically found on California sold vehicles
Wittek manufactured their part number is 88 and it is stamped as such. The Ford part number is 97289-S. This information was found in the 1967 Engine Assembly Manual.