I am going to do a 440 source 512 stroker in my 68 Imperial. When I called them and told them my goals he said I should do roller rockers but said I would have fitment issues using my stock valve covers and would need to do some grinding on the rocker arms to get them to clear. Does anyone know of anyone that makes good quality roller rockers that will clear stock valve covers or stock looking valve covers that will clear roller rockers. I'm wanting to keep the engine looking as factory as...
Roller rockers for a 440
