Speedmaster79(Procomp) Oldsmobile Cylinder Heads.
 
A great budget friendly alternative for the Oldsmobile crowd, this aluminum cylinder head is the perfect upgrade for your build. With plenty of upside after port work, this is a solid purchase that doesn't break the bank.
 
Specifications:
Intake Valve Size - 2.072"
Exhaust Valve Size - 1.680"
Chamber Volume - 77cc
Intake Port Volume - 188cc
3-angle Valve Job
Factory Port Locations
Factory Spark Plug Location