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Edelbrock part #21051 Performer 390 intake manifold is designed for street 332-352-360-390-406-410-427-428 c.i.d. Ford V8's with medium- or low-rise cylinder heads. Manifold not equipped with EGR; will not accept stock Motorcraft spread-bore carburetor or fit heavy-duty 361 c.i.d. and 391 c.i.d. Ford truck V8's. This manifold offers a polished finish for a brilliant shine and classic look.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.
Installation Notes
Recommended intake gasket: Edelbrock #7224 or Fel-Pro #1247; Manifold height: A-4.35", B-5.50" (same as stock); Carb pad height: 4.92"; Carb recommendations: Edelbrock Thunder Series AVS or Performer Series 600-800 cfm. For automatic transmissions use #1483 or #1844.; Port exit dimensions: 1.06" x 1.75"; Will not accept stock Motorcraft spread-bore carburetor or fit heavy-duty 361 & 391 c.i.d. Ford truck V8s.; Due to the design of Performer manifolds, the throttle and kickdown bracket on some vehicles may require modification to fit.; Due to the possible lack of hood clearance, you may not be able to use the OEM water heater space block between the intake manifold and carburetor.; 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.