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Edelbrock Performer aluminum intake manifold fits 1965-up Oldsmobile 400-425-455.
Part Number: B2151
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Edelbrock Performer aluminum intake manifold fits 1965-up Oldsmobile 400-425-455.
Performer aluminum intake manifold accepts squarebore or spreadbore carburetors. This manifold has no provision for O.E.M. choke. The O.E.M. carb requires modification to electric or manual choke. Has a rpm range from idle to 5500.
SPECIAL INSTRUCTIONS FOR MARINE AND COMPETITION APPLICATIONS - PLEASE NOTE: Any implied or expressed warranty is void
unless the “Special Exhaust Plugs” are used with your engine. These steel plugs are furnished with each Performer 455 manifold and must
be installed in the exhaust crossover port in each head. These plugs prevent cracking of the manifold caused by extreme heat of the exhaust
during extended periods of Wide Open Throttle. Use a file to finish and fit the plugs until they are a light drive fit. With a small hammer, tap
them into each head until they are flush (to prevent vacuum leaks). Additional plugs may be purchased under Edelbrock #2733. For Heavy
Vehicles (RVs, etc.) - Use the Special Exhaust Plugs supplied. However, drill a 1/4"-5/16" hole through each plug before installation.
This step is highly recommended for all applications!
