Description
Features
Includes Stage 1
- Select only the highest flowing castings
- Machine body surfaces for maximum gasket seal
- Install Anti Pullover System (APS) to eliminate fuel siphoning from accelerator pump nozzle at high RPM
- Position boosters precisely in center of venturi for best flow and equal signal
- Choose best metering block design to match your engine specifications, and class rules if applicable.
- Balance all metering passages, then resize and modify for optimum fuel curve, including:
- Emulsion, High Speed Air Bleed, Idle, Idle Air Bleed, Main Well, Main Well Exit, Power Valve, Transition
- Install hi-flow .130″ needle and seat for consistent fuel delivery and float bowl volume
- Remove and block all vacuum ports and choke hardware
- Assembled with reusable gaskets for ease in tuning and service
- PERFORMANCE GUARANTEE WITH EVERY UNIT
- Carburetor is vibratory polished then dichromate coated for a brilliant, high gloss gold finish
- 1 YR warranty all parts and labor
Upgraded Stage 2
- Install 4412 baseplate with larger 1-11/16″ throttle bore
- Blend lower venturi to match larger throttle bore. Upper venturi remains stock to pass gauge test.
- Increases maximum airflow and promotes better fuel distribution to end cylinders
- Will pass gauge test if carburetor is not removed from intake manifold
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