Proflow Cylinder Heads, AirMax 180, Aluminium, Assembled, SB Chrysler/Mopar

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.

Specifications
Cylinder Head Material: Aluminum A356.2 T6 A356.2 T6
Combustion Chamber Volume: 63cc
Intake Runner Volume: 171cc
Exhaust Runner Volume: 77cc
Intake Valve Diameter: 2.02''
Exhaust Valve Diameter: 1.60''
Valve Stem Diameter: 11/32''
Valve Guides: Manganese Bronze
Deck Thickness: 5/8''
Valve Spring Diameter: 1.46''
Valve Spring Maximum Lift: 0.575''
Rocker Stud: N/A
Guideplate: Hardened Steel
Pushrod Diameter: 5/16''
Valve Angle: 18
Exhaust Port Location: Stock
Spark Plug Fitment: 14mm x 3/4'' Reach,
Gasket Seat