Edelbrock part #7121 Performer RPM 302 intake manifold is designed for street 289-302 c.i.d. Ford V8's. This dual-plane high rise manifold has excellent high rpm power while retaining throttle response. No provisions for exhaust heated choke. Edelbrock carbs will work with Ford automatic overdrive trans (AOD) when used with Lokar bracket SRK-4000, for more info call (865) 966-2269 or go to www.lokar.com.