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.

• Cylinder Head Material: Aluminum 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