ICT Billet LS Gen 3 Iron Block to Gen 4 Timing Chain Tensioner Drill Template Tool Adapter Billet Aluminum LQ4 LQ9 LM7 LR4 L59 Gen III Gen IV 551902-TL01

Compatible with all GM Gen III LS series engines from 1999-2008 Aluminum Drill Guide to add holes in block for gen IV style timing chain tensioner (GM #12626407) Machined from USA billet aluminum for smooth finish. package includes: 1 Drill Guide ONLY compatable with Gen III LS Iron Blocks (LM7, LR4, LQ4, L59, LQ9) Made In Wichita, Kansas From Aerospace Grade, USA Billet Aluminum