MANIFOLDS - AMC - RPM Air-Gap
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AMC 290-401 V8
RPM AIR-GAP AMC (1500-6500 rpm)
Designed for 1970-91 304-401 c.i.d. and 1967-69 290-390 c.i.d. V8s, RPM Air-Gaps incorporate the same race-winning technology as our Victor Series competition intakes. The air-gap design features an open air space that separates the runners from the hot engine oil for a cooler, denser charge and more power. Includes standard oil fill and PCV provisions as well as early air conditioning support bracket accessory bosses. For square-bore carbs. No provision for exhaust-heated chokes. No exhaust crossover.
 
Applications Part #
RPM Air-Gap AMC (non-EGR, for 1967-69 AMC 290-390 c.i.d.) #7530*
RPM Air-Gap AMC (non-EGR, for 1970-91 304-401 c.i.d.) #7531*
 
Carburetor Recommendations for High Performance or Competition: Edelbrock Thunder Series AVS or Performer Series carb, 600-800 cfm (see Carbs & Accessories)

Installation Notes: Recommended intake gasket: Edelbrock #7213 or Fel-Pro #MS96011. #7531 must use factory metal valley tray gasket and has two center bolt holes offset. Manifold height: A-4.45", B-5.77" see A/B Measurements. Port exit dimensions: 1.04" x 2.10". Bracket #8034 required for 1979 and later vehicles.
 
Performer RPM AMC Cylinder Heads Performer RPM Camshaft & Lifters
Roller Timing Set Valve Springs and Retainers
Manifold Bolts Valve Covers
* Not legal for sale or use on pollution controlled motor vehicles.
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