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...
Increase the plenum volume by 1-liter in your Ultra Series Race intake manifold with our new billet aluminum plenum spacer. This spacer kit includes...
Increase the plenum volume by 1-liter in your Ultra Series Race intake manifold with our new billet aluminum plenum spacer. This spacer kit includes...
This is a Skunk2 factory replacement 3.5L Plenum part for the Ultra Race Side-Feed K Series Intake Manifolds; 307-05-8000, 307-05-8050 and 307-05-8055.
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