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Old 12-18-2025, 02:22 AM   #2
ZL1C7

 
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Drives: 2023 SS 1LE 10SPD
Join Date: Aug 2015
Location: Sacramento Area
Posts: 816
Most likely you are reading "Katech" on the cylinder heads. Katech offers a cylinder head porting option where you can send in your heads for porting or you can buy heads outright from them. The possibilities of the internals of the engine are endless. The LME cover means that it most likely has a DOD delete kit which means it probably has an aftermarket cam also. If "Katech" is really on the block, I would think it might have a serial number also. Your best bet it to post some pictures, but a true evaluation can only be done by disassembly of the engine.
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