MANIFOLDS - Oldsmobile - Performer RPM - Big Block
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Oldsmobile 400-455 V8
PERFORMER OLDS 455 (idle-5500 rpm)
Designed for street 400-425-455 c.i.d. Oldsmobiles. Ideal for cars, 4x4s, tow vehicles, RVs and boats. Includes exhaust crossover plugs #2733 which must be used for marine and off-road use.
Applications Part #
Performer Olds 455 (non-EGR) #2151*
Performer Olds 455 w/ Polished Finish (non-EGR) #21511*
 
Carburetor Recommendations: Edelbrock Thunder Series AVS or Performer Series carb, 750-800 cfm (see Carbs & Accessories)

Installation Notes: Recommended intake gasket: Mr. Gasket #404. For correct gasket kit when using #2151 in a marine/competition application, contact Mondello Performance at (805) 237-8808. Manifold has no provision for OEM choke operation. Will not fit Toronado or 4-4-2 Ram-Air scoop without hood modification. HEI will clear. Manifold height: A-4.40", B-5.50", A/B Measurements. Port exit dimensions: 1.22" x 2.22".
 
Performer-Plus Camshaft Performer RPM Cylinder Heads
Roller Timing Set Valve Springs
Retainers Valve Covers
* Not legal for sale or use on pollution controlled motor vehicles.
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