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About EMD Billy Boy Primary Covers
EMD Billy Boy Primary Covers
- Directly inspired by the design of sheet metal primary covers found on Panhead and Knucklehead bikes of the 1930s and 1940s
- Manufactured in die cast aluminum with milled gasket surfaces for a perfect fit
- Derby hardware included
- Gaskets, seals and primary cover mounting hardware not included
- Sold each
- Made in France.
Warning: California Proposition 65