Edelbrock part #21813 Performer 351W intake manifold is designed for street 351 c.i.d. Ford Windsor V8's. Will not fit Boss 351. Aftermarket 4-bbl carbs are not compatible with Ford Auto Overdrive Transmission (AOD) unless used with Lokar bracket SRK-4000
Product Features:- Idle-5500 RPM Range
- Dual Plane Type-4150 Style Flange
- 3.4 in. Front Height, 4.07 in. Center Height, 4.75 in. Rear Height
- Black Powder Coated Finish
- Made In The USA