Edelbrock part #75611 RPM Air-Gap 2-O intake manifold is designed for street 396-502 c.i.d. Chevy V8's with large oval-port cylinder heads (1975 and earlier) or Edelbrock Performer/Performer RPM heads. The RPM Air-Gap incorporates the same race-winning technology that's been used on our Victor Series competition intakes for decades. The Air-Gap design features an open air space that separates the runners from the hot engine oil resulting in a cooler, denser charge for more power. Includes rear water outlets, two distributor clamp locations and nitrous bosses. Accepts all late model alternator and A/C brackets for the street. For square bore carburetors only. Will not fit under stock hood of Corvette, 1964-67 Chevelle or 1967-81 Camaro. No provision for exhaust heated chokes and no exhaust crossover. This manifold offers a polished finish for a brilliant shine and classic look.. 75614; Chevy; Chevrolet; Edelbrock; Intake Manifold; Intake; Manifold; Dual-Plane; Performer RPM; RPM Air-Gap; Endurashine. Edelbrock RPM Air-Gap 2-O Intake Manifold for Chevrolet 396-502 Big-Block V8. MANIFOLD; 1966-00 BB CHEVY 396-454; OVAL PORT; RPM AIR-GAP; POLISHED. Edelbrock Polished B/B Chevy O-Port RPM Air-Gap Manifold. RPM Air-Gap Big Block Chevy 2-O Polished Intake Manifold. Larger Plenum and Runners Maximizes Other Upgrades. Chevrolet:Big-Block:396 (6.5L)-502 (8.2L). Polished Air-Gap BBC Oval Port Intake. RPM Air-Gap 2-0 Intake Manifold. Engine Intake Manifold. Intake Mnfld. { eo : 7in.}. MANIFOLD

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