New 1937 - '59 - 6 cyl .flathead DODGE - PLYMOUTH  Side Covers. Perfect fit and period look. Satin cast alum with highlight polished fins. Sold as a set of two. Covers measures 10 7/8" long x 4 1/4" wide with 3/8" holes. These cover fit all the short 23"  blocks on the flathead sixes. This cover replaces your stock side valve covers and uses stock gaskets. We also sell the longer covers for the CHRYSLER ---DESOTO  blocks.