Our Made in USA 1965-1968 Mustang Heater Plenum Chambers are made of high temperature injection molded ABS plastic with insulated metal air deflector to eliminate rattle and have predrilled holes for easy mounting installation. These are a premium quality product and not to be confused with other cheap import plenums on the market.
The original Mustang Heater Plenums were made from a pressed board that deteriorated and warp when exposed to liquid. They are also often torn. Our plenum champers go through injection molded process for a precise fit. Use on all 1964 - 1966 Mustang, 1967 - 1968 Mustangs without AC and 1967-1968 Cougar without A/C.
Includes:
(1) Heater chamber box plenum
(1) Cable clamp
(1) Screw
(1) Cable push on retainer
Proudly Manufactured in the USA by CPC 
