These versatile manifolds are excellent for many applications from high-performance street to drag/circle track racing. They provide maximum performance for engines with standard port location, iron and aluminium cylinder heads. The low-profile of the # ED2975 works well in applications with minimal hood clearance and where 1" or 2" spacers can be used for performance tuning. When carb spacers are not allowed, the # ED2999 should be used. Made in USA
