Pictured are The top side of the two manifolds, The underside manifold becoming the Blacktop, detect how it has 4 additional bleed points for that air into a standard chamber. This tends to make absolutely sure that the throttle plate is completely shut, but prevents it from impacting around the https://blacktop4age59379.blog-gold.com/44284899/the-best-side-of-4age-20v-itbs