Performer Series 550 CFM Square Bore Four Barrel Carburetor With Manual Choke Secondary Air Valve New Condition Includes Jets Rods Step Up Spring For Smooth Acceleration
✔️ Mild performance, single inlet fuel valve, manual choke
The Performer Series 550 CFM square bore four-barrel carburetor is a new-condition street-performance unit designed for square-bore manifolds. It features a two-piece aluminum construction for cooler operation, a primary venturi booster for smoother acceleration, and a manual choke with secondary air valve. Includes metering jets, metering rods, and a step-up spring for tuning.
✅ Two-piece aluminum construction for cooler temperatures and less warping✅ Primary venturi booster for smoother acceleration and drivability
✅ Mild performance with single inlet fuel valve
✅ Includes metering jets, metering rods, and a step-up spring for tuning
✅ Manual choke secondary air valve and ignition-advance ports
✅ No gaskets below fuel bowl level; no plastic parts or power valves to blow out
💡 What is a square bore carburetor used for in street performance applications? It is a handy fuel metering device for gasoline engines, commonly paired with square bore intake manifolds. - street performance engines benefit from direct fuel metering - compatible with metering jets, metering rods, and a step-up spring for tuning - improves throttle response and fuel economy when correctly tuned
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