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The Edelbrock Performer RPM marine Q‑Jet intake manifold is designed for 396–502 big‑block Chevrolet engines with large oval‑port heads (1975 and earlier) and accepts spread‑bore Q‑Jet or 4150‑style square‑bore marine carburetors. All cooling water passages are lined with brass and brass flange inserts cover rear water openings. The marine manifold accepts divorced choke, late‑model waterneck, air‑conditioning, alternator and HEI equipment.
Edelbrock Manifold Marine RPM Chevy Big Block Oval Port w/ Brass
