High Velocity Heads Super Sucker Carburetor spacers give you the midrange and high end benefits of 4-hole and open style carburetor spacers into one spacer. Originally designed for Winston Cup engines and eventually banned because of the performance advantage they provide. By increasing the velocity of the air as it transitions from the base of the carburetor to the intake valve you get more HP. The change in efficiency is so dramatic you may even need to make a jet change to the carburetor to maintain your air fuel ratio. Available in both aluminum and plastic, aluminum is for Circle Track or Street and Strip engines and plastic is for Drag Race only applications. Made In USA
- Available in CNC machined aluminum or plastic
- Smoothes the transition from the carburetor base to the intake plenum
- Used by many top engine builders
- Increases mid-range and high-range horse power
- Can reduce ET's by 1/10th of a second
- Can reduce lap times by as much as 2/10th of a second
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WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.