Complete Big Block Chrysler 383-440 220cc Aluminium Cylinder Heads with 82cc Chamber (Pair) 2.30" x 1.18" Intake Port, 1.75" x 1.25" Exhaust Port

The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamberdesigns produce excellent flownumbers. This combined with a 5-angle competition valve job,diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.

The Aeroflow Performance big block Chryslercylinder heads are designed for street performance enginesto give the ultimate in flow at a budget price. Made from A356 aluminium castings, the 220cc cylinder heads are idealfor operating in the idle to 6500 rpm range. The complete heads include larger then stock 1.55" diameter dualvalve spring to handle up to .550" maximum lift.