Proflow Cylinder Heads, AirMax 180, SB Chev, Aluminium, Assembled, 64cc Chamber, Other Part Number : PFE-R9421

Part Number : PFE-R9421

35" Exhaust Port

Radiator Hose Inlet Size - 1

Part Number : PFE857-04S

Proflow Cylinder Heads, AirMax 180, SB Chev, Aluminium, Assembled, 64cc Chamber, Other Part Number : PFE-R9421Part Number : Proflow Cylinder Heads, AirMax 180,SB Chev Aluminium, Assembled, 64cc Chamber 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