B2 action going on29 Aug, 2018 in Head Hoggers tagged B2 headed dyna / haley horsepower / harlay head porting / harley big horsepower / harley case service / harley cp pistons / harley engine machining / Harley flywheel rebuilding / harley machining / harley performane / harley race engines / Head Hoggers / motorcycle mobile tuning by headhoggers (updated 2788 days ago) Just another B2 headed dyna, nothing to see here. Lol Getting the exhaust all mocked up for these nasty heads. Right about 400cfm through the intake on these bad boys, got to let it breath now.