CARBURETOR SPACER 4500 / 0.50" OPEN LIGHTWEIGHT

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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. Op en 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 Show more