Performer RPM Intake Manifold 1966-85 SB Olds 307-403 Satin
Performer RPM Oldsmobile 350 intake manifold is designed for 330-350-403 c.i.d. Oldsmobile's and 1980-1/2 to 1985 307 c.i.d. engines with 5A heads (casting #3317). This Oldsmobile manifold is a high-rise, dual-plane design with 180-degree firing order engineered for maximum top-end horsepower while maintaining throttle response. Port flange has extra material above the runner for use with cast iron 455 heads and Edelbrock Performer RPM heads #60519. Has clearance for HEI distributor. Carb pad accepts square-bore carbs without adapters. INSTALLATION NOTES: bull; Recommended intake gasket: Fel-Pro # MS96027 bull; No provision for OEM choke bull; Will not clear hood on 403 Olds, Firebird/TA. OEM carb requires conversion to electric/manual choke bull; Manifold height: 2" taller than stock A-4.80", B-5.80 bull; Carb pad height: 5.30" bull; Carb recommendations: Edelbrock AVS2 or Performer Series 650-800 cfm. bull; Port exit dimensions: 1.22" x 1.86" 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.