Edelbrock part #3771 Performer 400 EGR intake manifold is designed for 351M/400 Fords in one of the three following configurations: 1) OEM 2V carb and EGR system with supplied 2V EGR spacer; 2) 4V EGR system with either an Edelbrock #8053 4V EGR spacer, or an Edelbrock #8017 and Ford #E4ZZ9A-589E 4V EGR spacer; 3) For off-highway use, non-EGR 4V system with an Edelbrock #8714 4V spacer.
Intake Section Included: Complete
Engine Block Deck Height: Standard deck
Carburetor Quantity: One
Intake Style: Dual plane
Basic Operating RPM Range: Idle-5,500
Intake Manifold Height: 4.170 in.
Intake Finish: Natural
Intake Material: Aluminum
Quantity: Sold individually.
Notes: Intake gasket: Fel-Pro #MS96020; For non-EGR, off-road applications, use #8714 4V spacer; Replacement EGR plate gaskets: Edelbrock #3896 & #3897; Manifold height: A-3.60", B-4.75" (without EGR plates installed); Carb pad height: 4.17"; Carb recommendations: 2V OEM 2-Bbl off highway, Non EGR. 4V: Edelbrock AVS2 or Performer Series 600-650 cfm. For automatic transmissions use #1483 and #1493 or #1844; Port exit dimensions: 1.16" x 1.66"; Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant #1076, DO NOT USE END SEALS GASKETS.; Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.