Aluminum Short Finned Chevy Center Bolt Valve Covers for SBC Small Block 305 350 Fits sb chevy engines 283 327 350 383 400 with center bolt heads '86-up heads Brand new pair of small block chevy finned polished aluminum valve covers. Short style Looks great on hot rods, muscle cars, camaro, nova, chevelle, 55-57, pickup truck, corvette, etc.