Billet Cylinder Heads

asdf
V4.0  BILLET CYLINDER HEAD

20130308_143643-1

 

JDBB with long-ram manifold pictured above

 

The next generation in SMI billet heads is here!  New and improved port design for maximum flow, this
velocity, and efficiency.  Available with either long-ram or space saving tip-down billet intake manifolds, billet front or center-load plenum, and our all-new center load exhaust manifold.  Comes with our original bullet-proof valvetrain and billet valve cover.

Available in JDBB, JDSB, and IH 400 series