Performer RPM Dual-Quad Large Port Manifold, 1958-65, 348/409 W Series - Satin
Performer RPM Dual-Quad intake manifold is designed to fit 1958-1965 Chevrolet 348/409 "W" big-block engines with factory large port. Includes Oil Fill Tube (not installed) and matching push-in Breather. Carb center-to-center measurement is 6-7/16". INSTALLATION NOTES: bull; Recommended intake gasket: Edelbrock # 7240 or Fel-Pro MS9788B bull; Manifold height: A-4.03", B-5.21" bull; Carb pad height: 4.62" bull; Carb recommendations: Edelbrock AVS2 Series # 1903 and # 1904 500 cfm. bull; Port exit dimensions: 2.39" x 1.15" bull; Use RTV sealant to properly seal end seals, such as Edelbrock High Temp Silicone sealant # 1076, DO NOT USE END SEALS GASKETS. bull; Hardened washers Must be used with intake bolts to ensure proper torque and prevent galling of the aluminum.
