ONLY compatible with Gen III LS Iron Blocks (LM7, LR4, LQ4, L59, LQ9). Compatible with all GM Gen III LS series engines from 1999-2008. Used to add the necessary mounting holes in your engine block to mount a gen IV style timing chain guide dampener (GM #12626407).

Manufacturer Part Number: 551902-TL01
Brand: ICT Billet