Riley Head Conversions For Ford Model A Engines – Reblog from Steve McKelvie Advertisements Share this: RelatedMighty Mills Propel Classic Hot Rods: TROG 2019 – Scotty Lachenauer @HotRodNovember 2, 2019In "2019"Updated 2019 Great Race Route Information – Reblog from Steve McKelvieDecember 20, 2018In "2019"What’s an ARDUN? The Ultimate OHV Conversion for the Ford Flathead V-8 – Mike Herman of H&H Flatheads @TorqTalkAugust 10, 2021In "Ardun" Four BangerModel AOHVRiley OHV ConversionSteve McKelvie