Designed for 1961-78 Chrysler 361-440 c.i.d. wedge engines, these heads bolt-on for big performance gains. Flowing 291 cfm on the intake and 214 cfm on the exhaust at .600" lift, these heads feature angled spark plugs and 1-piece, stainless steel 2.14" intake and 1.81" exhaust valves. Features include heat treated, machined steel retainers and valve locks along with heavy-duty valve springs for up to .600"-lift cams. The #60189/60149 heads have combustion chambers that are machined .100 " for clearance with quench dome style pistons. Intake flange, bolt holes, valve cover and rocker shafts are in the stock location.

NOTE: This product is not legal for sale or use on pollution controlled motor vehicles.