AED 1" Birchwood Carburetor Spacer - Standard Holley 3552024-17-XXL Bracket mounts most 2-1/2 lb

Bracket mounts most 2-1/2 lb

V-type or Individual shoulder harnesses

Available in black

Z-20 Shield

AED 1" Birchwood Carburetor Spacer - Standard Holley 3552024-17-XXL Bracket mounts most 2-1/2 lbAED 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