AED 1/2" Birchwood Carburetor Spacer - Standard Holley MBASE aerodynamic design features an advanced

aerodynamic design features an advanced ventilation system with 14 air intake and extraction channels designed to maximize cooling and a double screen anti-fog (DSAF) insert to prevent fogging in rain conditions

Kit includes chute

1984-1986 Chevrolet K10

1986-1994 Pontiac Sunbird

AED 1/2" Birchwood Carburetor Spacer - Standard Holley MBASE aerodynamic design features an advancedAED Carburetor Spacers offer many distinct advantages that are worth mentioning. Besides traditional tuning changes in plenum volume which can improve torque and power output, Birchwood is a great thermal barrier. By keeping fuel bowls cool you get a noticeable increase in fuel density, resulting in a better charge available for combustion. Results on the dyno of up to 20 horsepower. AED originally designed these spacers for racing but soon found out