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Increase the plenum volume by .5-liter in your Ultra Series Street intake manifold with our new billet aluminum plenum spacer. This spacer kit includes bolts and a gaskets to fit our Ultra Series Race intake manifold for either the B or K-series.
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)).
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