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Edelbrock part #21563 Performer Pontiac intake manifold is designed for 1965-79 Pontiac 326-455 c.i.d. V8's (except Ram Air V and 265/301 V8's). Provides great throttle response for performance you can feel. Ideal for cars, 4x4s, tow vehicles, RVs and boats. This manifold offers a durable black power coated finish for long lasting protection and a distinctive 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 #7280.; For 1968-71 use Edelbrock #8015 throttle bracket.; Manifold height: A-5.50", B-6.60" measured to engine block same as stock 4-bbl. intake; Carb pad height: 6.05"; Carb recommendations: OEM 4-Bbl, Edelbrock AVS2 or Performer Series 600-800 cfm.; Port exit dimensions: 1.06" x 1.92"; For Trans Am use OEM 4-bbl. carb for Shaker Hood clearance.; 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.