cast iron heads Archives - Engine Builder Magazine
Converting Cylinder Heads for Unleaded Fuel

In this episode of Danny Soliz Says, Danny walks you through the steps needed to convert a cylinder head to run unleaded fuel.

Goodson Cold Crack Repair Kit for Cast Iron Heads

The kit includes 100 genuine Irontite .235″ x 15/16″ threaded crack repair plugs plus the drill, reamer and two taps you’ll need to insert them.

Street Performance Cylinder Heads Selection Guidelines

In simple terms, the cylinder head is just a casting that tops off the engine block, holds the valves and forms the combustion chambers. Working in combination with the camshaft(s), induction and exhaust systems, the head determines how the engine breathes, the engine’s power curve and personality. The “right” cylinder head will deliver peak power