plenum

32-0064 - Plenum | Ford Mustang, all 1964-1966 and 1967-1968 Non Air
Replacement Heater Plenum for all 1964-1966 Ford Mustang and 1967-1968 Ford Mustang with Non Air / Heat Only Plenum is made from durable, vacuum-formed ABS plastic and includes necessary clamps and screws. Made in the ...
32-22 - Louver | Underdash Switch and Louver Plenum, 2 Inch Duct
Underdash, Switch and Louver Plenum, 2" Duct Hose Inlet Dimensions: 3-1/2" tall x 26-1/2" wide x 3-1/4" deep Switches Sold Separately For use with 2-1/2" duct hose, see part #32-22X Made in the ...
32-22X - Louver | Underdash Switch and Louver Plenum, 2-1/2 Inch Duct
Underdash, Switch and Louver Plenum, 2-1/2" Duct Hose Inlet Dimensions: 3-1/2" tall x 26-1/2" wide x 3-1/4" deep Switches Sold Separately For use with 2" duct hose, see part #32-22 Made in the ...