This Smog Tube Nut & Ferrule is one piece and attaches the smog tube to the cylinder head on a 1966 -1968 Mustang. 8 are required per car.
289/390/428 Engines.
ref FORD #D5TZ-9B471-A Exhaust Air Supply
Proudly manufactured by CPC in the USA with limited lifetime warranty
CALIFORNIA PONY CARS (CPC) was established in 1982 as an American Made Manufacturer of die cast, plastic, fiberglass and metal stamping products for the Mustang reproduction parts industry.