AED 1" Birchwood Carburetor Spacer - Standard Holley SC04201 Sport I & Professional HANS

Sport I & Professional HANS Devices

WASHING: dampen a soft cloth in warm water and gently wipe dirt from the surface

The Pumper system and helmet are not included

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

Quick Release Fastener

AED 1" Birchwood Carburetor Spacer - Standard Holley SC04201 Sport I & Professional HANSAED 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