Edelbrock 96-17 Chevy 4.3 V6 Vortec Marine Engine Performer Series Intake Manifold w/8 BoltsEdelbrock part #2519 Performer Vortec V6 Marine Intake Manifold is based on the powerful Edelbrock #2111. This dual plane intake is designed for the engine swap market utilizing 1985 and later Chevy 200 229 262 c. i. d. (3. 8L and 4. 3L) V6 engines with Vortec heads. With this Marine manifold, boaters can take advantage of the higher flow available with the Vortec head design. This marine intake has provisions for external water bypass and may be used