Cast Aluminum 4 Barrel Carburetor Main Body Air Horn Choke Mech Secondary a regulator should be used

a regulator should be used to keep the fuel pressure within safe limits and avoid the possibility of flooding

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black or silver anodizing with the impeccable finish you've come to expect from all Speedmaster components

Speedmaster aluminum Water Pump pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs

Cast Aluminum 4 Barrel Carburetor Main Body Air Horn Choke Mech Secondary a regulator should be usedDesigned for absolute flow and fuel delivery, Speedmaster center bodies will help you leave the competition in the dust. Gain 25 35hp with this direct replacement, 100% new high performance carb main bodies. Easy swap in, swap out installation utilizing existing metering blocks, fuel bowls and base plates. Flows 850 cfm, adjustable screw in air bleeds, down leg boosters. Get maximum air with no air horn choke tower , or choke control in the way.