• What is a Short Block vs. a Long Block?
• What do I need to keep my Subaru Engine Reliable?
• My engine failed. Now what?
• At what power levels do I need to consider getting a built engine?
• What makes Crawford Built Blocks unique?
• Why doesn’t Crawford use aftermarket cranks, bearings, rings, or gaskets?
• I spun a bearing. The bearing must be the issue, right? 

AOS FAQ:

• What does an Air/Oil Separator do?
• What are the benefits vs. a catch-can?
• Why does every Subaru engine need one?
• Why choose Crawford?
• What are the differences between versions?
• What kits fit my vehicle?