Edelbrock E-Series Cylinder Head Bolt Kit #85552 for Chrysler small-blockEdelbrock E Series Cylinder Head Bolt Kit #85552 is a high quality replacement bolt set for Chrysler small block engines equipped with Performer RPM #60779, #60775, #60175 and #60179 aluminum heads. This E Series bolt kit is required when installing Edelbrock heads on an engine previously equipped with iron heads. Included in this kit are two long bolts per head where the factory only has one. With Edelbrock and other aftermarket aluminum heads, use