AED 1/2" Birchwood Carburetor Spacer - Standard Holley SR71750H Standard impact: Helmet impact at

Standard impact: Helmet impact at 9

Available in 3X3

With the top rod properly located

We are pleased to offer protection to this sector of the market

AED 1/2" Birchwood Carburetor Spacer - Standard Holley SR71750H Standard impact: Helmet impact atAED 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