Offenhauser Buick nailhead 3x2 intake manifold #5190 on bottom of manifold. A pair of original Buick nailhead valve covers #1366223. Price plus shipping. Signature confirmation required . Insurance suggested . U.S. postal money order or International postal money order only. Thanks So you fellows know what nailhead this is for center to center bolt holes with manifold upside down front to backis 14 1/2 " . Side to side center bolt hole to center bolt hole is 9 " front or back. This info concurs it is for a 401 and 425 NailheadThanks
The Jalopy Journal
