Aftermarket Parts - Are Premium Parts Worth The Price?
We began this quest with a set of Dart 215cc, Pro 1 Platinum as-cast heads complete with 2.05/1.60-inch valves and 1.550-inch-diameter valvesprings. Dart stuffs 0.200-inch-longer valves in these heads with the big valvesprings, necessitating longer pushrods. View Related Article