Pair of 9 fin Cal Custom aluminum valve covers for small block Chevy. Straight across pattern will fit all SBC 283 305 307 327 350 383 400 1960-87 until they changed to center bolt. No cracks breaks or repairs. Only flaw is one has some fins ground on the side for clearance probably in a early Ford turn that cover to the back you'll never see it. $110 shipped in the lower 48 States.