10 CYLINDER HEADS:

Cylinder Head Casting Numbers Casting Numbers by the Last Three Numbers Casting Number Location Casting Date Valve Cover ID Tempture Sending Unit Boss Cylinder Head Accessory Holes Srew in Rocker Arm Studs and Guide Plates Spark Plugs Heavy or Light Head Casting

Exhaust Mounting Holes Cylinder Head Cracking Locations Guide to Cylinder Head Casting Dates Service Replacement Heads Compression Vs Chamber Volume Intake Port Air Flow Rocker Arm Ratios Valve Spring Installation Rocker Arm Geometry Coolant Flow Modification

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