Designed for use on 9.5:1 compression engines with 390 cfm carbs and GM or Edelbrock 18 heads. Runners have a 2.9 square-inch cross-section. Manifold height from the end seal to the carb pad is 7.03. The Victor 18 #2959 features intake runners with a large cross-section area of 3.2 square-inches for max high-end horsepower in engines operating from 5000 to 8500 rpm with GM or Edelbrock 18 heads. #2995 is designed for engines using Edelbrock or GM 18 High-Port heads #10134363 and #10134364, #2995 runners have a 2.85 square-inch cross-section. Features 1/2 female pipe bosses over rear water outlets to allow for customization of cooling system and dual distributor clamp locations for ease of timing adjustment. Relief for center water outlets included.
