Proflow Cylinder Heads, AirMax 200, BB Chrysler 440 Aluminium, Assembled, 84cc C

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Proflow Cylinder Heads, AirMax 200, BB Chrysler Aluminium, Assembled Proflow does not sacrifice quality for a low price--you get both with our aluminium cylinder heads. The lightweight heads are cast from A-356 aluminium alloy with a large choice of engine, for SB & BB Chevrolet, LS Chev Holden Ford SB 289-351W, 302, 351 Cleveland 2V & 3V & BB FE, and Chrysler SB & BB. They have phosphorous bronze valve guides, and ductile iron valve seats for use with unleaded gas. They're also end-milled and drilled for accessories. The fully assembled heads have stainless steel valves, high performance valve springs, 7 degree valve locks, rocker arm studs, and guideplates. Perfect for your Mild or High performance Hot Rod. Combustion Chamber Volume: 84cc Intake Runner Volume: 210cc Exhaust Runner Volume: 70cc Intake Valve Diameter: 2.14'' Exhaust Valve Diameter: 1.81'' Valve Stem Diameter: 11/32'' Valve Guides: Manganese Bronze Deck Thickness: 5/8'' Valve Spring Pocket 1.55'' Valve Spring Maximum Lift: 0.600'' Rocker Stud: N/A Guideplate: N/A Pushrod Diameter: 3/8'' Valve Angle: 15° Exhaust Port Location: Stock Spark Plug Fitment: 14mm x 3/4'' Reach, Gasket Seat