AED 1/2" Birchwood Carburetor Spacer - Standard Holley 36005R Noise attenuating ear muffs surround

Noise attenuating ear muffs surround the speakers to hugely reduce external noise and improve the levels of comfort

1962-1974 Ford Galaxie 500

Simpson offers 3 types of restraint mounting hardware

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AED 1/2" Birchwood Carburetor Spacer - Standard Holley 36005R Noise attenuating ear muffs surroundAED 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