1966 GMC I-Series Engine Blocks
- Dorman®Autograde™ Expansion PlugsGMC I-Series 1966, Autograde™ Expansion Plugs by Dorman®. Dorman offers a comprehensive line of Engine Expansion Plug Kits to cover a range of applications. The kits include all parts necessary for a complete repair.Direct fit kits available for ease of replacementExpansion Plugs also available individually$7.18
- Melling®Cylinder LinerGMC I-Series 1966, Cylinder Liner by Melling®. Melling replacement cylinder liners provide an efficient and economical way to replace the cylinder sleeves needed for a quality engine rebuild. Melling cylinder liners are manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$35.33
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1966 GMC I-Series Models