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OPGI Price: $454.99
Part Type: (P) High Performance, designed to improve performance
Sold As: EACH
2015 Monte Carlo Catalog Page: 1682016 Monte Carlo Catalog Page: 167
Replace your tired and worn Quadrajet with one of these high-quality carburetors from Sean Murphy Induction (SMI). Each unit is completely disassembled, cleaned and checked. Casting plugs are sealed with epoxy to prevent leaks and all circuits are sized and calibrated. Each carburetor is re-colored for a better-than-new appearance, assembled using the best available components and properly calibrated for ultimate performance. Two versions are available allowing you to pick the best fit for your application.
STAGE I: This carburetor is intended for use on stock 396-454 big-block Chevrolet engines produced between 1970-1985 and having 325 HP or less. Engine must be completely stock.
STAGE II: This carburetor is designed for use on mildly modified 396-454 big-block Chevrolet engines produced between 1970-1985. Will work with the following modifications: dual plane aluminum intake, ported heads, oval port aftermarket aluminum heads, full-length or shorty headers, compression ratios up to 9.5:1. Hydraulic or hydraulic roller cams are recommended with maximum duration of 224 at .050" life and minimum lobe separation of 110°.