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Part fits the following years: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973

GTO Carburetor, Streetmaster Rochester Quadrajet Stage II 800 CFM, by SMI

Part # G240411

3 Reviews

SAVE: $45.96 Retail: $500.95

OPGI Price: $454.99


Brand: SMI
Part Type: (P) High Performance, designed to improve performance
Years: Sold As: EACH
2014 GTO Catalog Page: 232
2015 GTO Catalog Page: 259


  • NOTE1: These high-performance items are not eligible for any further discounts or promotional pricing.

In need of a quality replacement for that worn-out Q-Jet? Look no further than OPGI with these “Streetmastercarburetors from Sean Murphy Induction (SMI). Whether your engine is stock or loaded with performance parts, we've got you covered. Each unit is completely disassembled, cleaned and recolored. During assembly, the throttle shafts are bushed, all casting plugs are sealed with epoxy to prevent leaks and top-quality components are used throughout.

STAGE I: Intended for stock 350-400-455 (Non-Ram Air, super-duty or H.O.). Fits engines with spread bore intake manifolds. Carburetors are equipped with electric choke as well as a front inlet for fuel. Minor linkage modification may be necessary. STAGE II: Intended for mildly modified 350-400-455 engines. Equipped with electric choke and front fuel inlet. Recommended modifications include: camshaft duration of 208°-224° @ .050", compression ratio between 8.5-10:1 mildly ported iron heads or Edelbrock aluminum heads, aluminum intake and headers.

Make & ModelYear RangeApplication Details
Pontiac GTO1961-1973 Stage II 800 CFM
Pontiac Tempest1961-1973 Stage II 800 CFM
Pontiac LeMans1961-1973 Stage II 800 CFM
Pontiac Grand Prix1967-1977 Stage II, 800 Cfm
Pontiac Catalina1967-1977 Stage II, 800 Cfm
Pontiac Bonneville1967-1977 Stage II, 800 Cfm
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