tapered carb spacers are known for there ability to provide enhanced signal at the booster. enhancing the signal at the booster allows for better fuel
Spacers & Adapters – VDL Fuel Systems
SS4150-2ALW 2 in. Super Sucker Light Weight Aluminum Carburetor Spacer
Reher Morrison — Carburetor Spacers-CNC Tapered
WILSON MANIFOLDS CARBURETOR SPACER - WM-004130 - Fuel & Air System
Aeroflow 1 Tapered High Velocity Carburetor Spacer 4500 Flange Chrome Finish - Aeroflow Performance
Pit Stop: How Carburetor Spacers Affect Performance
3/4” Aluminum Carb Carburetor Tapered Spacer Flange Holley Edelbrock SBC
Speedmaster® Carburetor Spacer PCE120.1008.03
Tapered Carburetor Spacers – Wilson Manifolds