Weiand 1984 Hi Ram tunnel ram intake manifold for 1957-1986 and 1987 and newer with OEM aluminum cylinder heads Chevrolet small block engines. Power band of 2800 rpm to 8000 rpm. Set up for two, four barrel carburetors with square flange carb mounting. Works with Holley, Edelbrock, Demon and Carter carburetors. Recommend 600 cfm to 850 cfm Holley carburetors depending on intended use and engine modifications. This intake has a large plenum chamber and special D-shaped port runner design. GM HEI distributor will not clear this intake. Weights in at 25 pounds. Measures 9.06 inches high in the front and 9.50 inches high in the rear. Port size is 1.89" high and 1.18" wide. Street legal for pre-emissions equipped engines and vehicles. Weiand 1984 Hi Ram Chevrolet small block tunnel ram intake manifold Weiand 1984APPLICATIONS:: 400350327305283262 Order quickly and easily over the internet on our secure YAHOO! system 24 hours per day or talk to a real, live sales person at 419-331-2470 during our business hours. WE TAKE ORDERS to CANADA. For ordering information, click on "Orders to Canada" at the top left side of this page. LOW COST SHIPPING! Just $12.95 to ship your entire order by U.P.S. ground within the continental United States. Purchase any quantity of items and you pay just $12.95 to have it shipped! The more you order, the more you save! Orders to Hawaii, Puerto Rico, Virgin Islands, and some parts of Alaska will have shipping added due to having to be shipped by air freight. Customers from these states will be emailed the shipping costs for approval before we ship the order. We use Postal Priority for APO and FPO addresses only. Additional shipping charges may apply to APO or FPO addresses. Payment Methods: CREDIT cards or DEBIT cards VISA, MASTERCARD, DISCOVER, AMERICAN EXPRESS, MONEY ORDERS.