This fits nicely over the top of a Regular exhaust manifold on all'28-31 Model A's and'32-34 Model B/C 4 cylinder engines-see last photos for reference. (Exhaust manifolds are NOT included-for reference Only).Please check my other auctions. The item "1928 1931 Model A Ford Exhaust MANIFOLD HEATER COVER Original DIRECTOR 1932 B" is in sale since Thursday, August 19, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exhaust & Emission Systems\Other Exhaust & Emission Parts". The seller is "djb970" and is located in Fort Collins, Colorado. This item can be shipped worldwide.