The 1967 Gwyn Staley 400 was a Grand National (now Nextel Cup) event held at North Wilkesboro Speedway on April 16, 1967. Darel Dieringer won his seventh and final race of his career in dominating fashion, leading all 400 laps and holding off Cale Yarborough by one lap. Eventual season champion Richard Petty finished 7th. Stats