Rebuild Kit Mechanical Secondary Chokeless 850,950,CFM CenterHungRebuild Kit for FST Mechanical Secondary Race Carburetor Mechanical Secondary No Choke 850,950 Model 42850X XB 41850B 41950B Description QTY Metering Block Gasket 2 Power Valve 4. 5 1 Power Valve Gasket 2 Mixture Screw Orings 4 Fuel Bowl Gasket 2 Accel Pump Diaphragm 2 Fuel Bowl Umbrella 2 Needle and Seat 120 2 Needle and Seat Upper Gasket 2 Needle and Seat Lower Gasket 2 Fuel Bowl Screw Gaskets 8 Squirter Upper Gasket 2 Squirter Lower Gasket 2

Rebuild Kit for FST Vacuum Secondary Carburetor

5 SQUIRTER SIZE 31 CIRCUITS 2 BOOSTER TYPE Down Leg THROTTLE BORE 1

Throttle Body and Metering Blocks

Billet CNC Black Anodized 2 circuit Metering Blocks with 4 stages of emulsion

5 1 Power Valve Gasket  1 Mixture Screw Orings 2 Fuel Bowl Gasket 1 Accel Pump Diaphragm 1 Fuel Bowl Umbrella 1 Needle and Seat 110 2 Needle and Seat Upper Gasket 2 Needle and Seat Lower Gasket 2 Fuel Bowl Screw Gaskets 8 Fuel Cross Over Gasket 2 Squirter Upper Gasket 1 Squirter Lower Gasket 1 Throttle Body Gasket 156 1 Base Plate Gasket 1 Aircleaner Gasket 1

Fuel Bowl Gasket Set made from high quality non stick material

Metering Plate Cover Gasket

41650X-2/XB-2

Rebuild Kit for FST Mechanical Secondary Carburetor

Fits the following FST Carbs:

600 CFM RT Plus carburetor with mechanical secondary and electric choke combine the durability of a pressure forged carburetor with the performance of pressure forged metering blocks and bases

These all billet main bodies also have the ability of accepting up to a 2