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