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