Description
Wilson Manifolds open spacers have become the standard in NASCAR NEXTEL Cup racing, but are for use in any application where a top quality light-weight billet spacer is desired. Open spacers increase plenum volume and move the throttle blades away from the roof of the runners, allowing the air/fuel mixture to turn more easily into the runners for improved distribution and mixture quality. Open spacers will add mid range and top end hp.
This spacer is raw Aluminum.
* Adds mid & top end power
* Increase plenum volume
* Allows the air/fuel mixture to turn more easily into the runners by moving the carburetor up away from the runner roofline
* Improved distribution and mixture quality
* Will add mid range and top end hp
* Wilson Manifolds is the only manufacturer that offers multiple heights for 4500 carburetors
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