AED 1" Birchwood Carburetor Spacer - Standard Holley SC04201 Simpson 125" Lexan Shields includes

Simpson 125" Lexan Shields includes tear-off posts where applicable

Silver under 940000

Sport I & Professional HANS Devices

The front pockets lay

Nomex / Leather

AED 1" Birchwood Carburetor Spacer - Standard Holley SC04201 Simpson 125" Lexan Shields includesAED 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