Edelbrock E-Series Cylinder Head Bolt Kit - Hex Head - Chromoly - Black Oxide - Edelbrock Heads - Pontiac V8 85492 57233 GM Mid-Size Caliper

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Edelbrock E-Series Cylinder Head Bolt Kit - Hex Head - Chromoly - Black Oxide - Edelbrock Heads - Pontiac V8 85492 57233 GM Mid-Size CaliperEdelbrock E Series Cylinder Head Bolt Kit #85492 is designed for use on Pontiac 326 455 engines with Edelbrock Performer and Performer RPM Cylinder Heads #60569 #60599 and #60509 manufactured after 3 12 02. Note that Edelbrock Cylinder Heads for the Pontiac 389 455 engine require a special head bolt. The head bolt boss heights have been changed in the Pontiac cylinder head to eliminate problems with cracking at the upper head bolt boss end for high