AED 1/2" Birchwood Carburetor Spacer - Standard Holley 4087BK Powerful and effective top and

Powerful and effective top and chin bar ventilation system with 14 air intake and extraction channels for maximum ventilation

dirty conditions

Adjustable sun peak

Net includes quick release buckle and meets SFI 37

Stretch Waistband For Flexibility

AED 1/2" Birchwood Carburetor Spacer - Standard Holley 4087BK Powerful and effective top andAED 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