BD T4 Manifold 98.5-14 Cummins

• Larger runner size helps enhance flow through the manifolds with no restriction throughout rpm

• Cast ports and runners match inlet gasket within 0.03”

• Center Mount can face down or up • Optimum 20° rather than 40° - helps mounting S400, S500 other larger turbochargers

• Heavy cast HiSi Ductile Iron retains heat energy and coated with high temperature black

• 2 drilled and tapped 1/8-NPT ports

• Heat expansion joints prevents cracking