AED 1" Birchwood Carburetor Spacer - Standard Holley 3552024-17-XXL Z-20 Shield

Z-20 Shield

Reinforced Front Velcro Strap

Available in black

1973-1974 Pontiac Grand Am

Each package contains 3 stacks of 10 Tearoffs for a total of 30 Tearoffs

AED 1" Birchwood Carburetor Spacer - Standard Holley 3552024-17-XXL Z-20 ShieldAED 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