Weber Main Jet
Weber calibrated main jets are an essential component for fine-tuning your carburetor, precisely metering fuel into the main metering system and emulsion tube assembly. Recognized worldwide as the premier choice for performance applications, genuine Weber jets deliver exceptional power delivery and improved fuel efficiency when properly tuned. Fine-tuning your main jets allows you to tailor your main fuel circuit specifically to your engine's unique demands, local altitude, and atmospheric conditions.
Key Features
- Precision Fuel Metering: Accurately controls fuel flow through the main circuit for smooth acceleration and maximum top-end power.
- Peak Engine Performance: Enables custom carburetor tuning to match your specific engine build, performance modifications, and driving conditions.
- Altitude & Climate Tuning: Essential for adjusting main circuit air/fuel ratios to compensate for elevation changes and weather variations.
- Value & Fuel Efficiency: Delivers optimal fuel atomization for maximum horsepower without wasting fuel.
Specifications
- Brand: Weber
- Component Type: Main Jet
- Size Range: 2.10 mm – 2.60 mm
- Application: Weber Sidedraft Performance Carburetors (40 / 45 / 48 DCOE Series)
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- Weber Sidedraft 40's, 45's & 48's