| The 1" Phenolic Carb Spacer is available in sizes for the Holley 4150 four barrel, the Holley 4500 Dominator, the Holley 4412 two barrel, and Rochester Quadrajet Carburetors.
Features: • .06 - .1 sec. reduction in E.T.
• Evenly distribute air and fuel
• Increase air speed
• Increased throttle response
• Increase torque and horsepower
Also available in 2". Call for details. | 
