Edelbrock Victor Jr Manifold AMC 70-91 EFI (Race Manifold)Designed for 1970 91 304 401 c. i. d. and 1967 69 290 390 c. i. d. V8's, RPM Air Gaps incorporate the same race winning technology as our Victor Series competition intakes. The air gap design features an open air space that separates the runners from the hot engine oil for a cooler, denser charge and more power. For square bore carbs. Includes standard oil fill and PCV provisions as well as early air conditioning support bracket accessory bosses. No