Edelbrock Part PN 2121-CP Performer intake manifold is designed for street Small-Block Ford 260-289-302 CID V8's without EGR. Edelbrock's Patented Dual-plane, low-rise design with a 180-degree firing order greatly improves torque over a wide rpm range for excellent throttle response from off-idle through 5500rpm. The Performer intake manifolds are ideal for passenger cars, trucks, 4x4s, tow vehicles and RVs. The PN 2121-CP version comes with a brilliant Chrome plasma finish that is durable and easy to maintain. Edelbrock carbs will work with Ford automatic overdrive trans (AOD) when used with Lokar bracket SRK-4000. For more info go to www.lokar.com. Will not fit Boss 302 or 255 c.i.d. V8's.