Drill Guide for LS Gen III Engines
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 (GM #12626407)
- Requires the use of Letter H Drill Size (.266″) for M8-1.25 Mounting Bolts (Not Included)
- Includes: drill guide with mounting bolts
- ONLY compatible with Gen III LS Iron Blocks (LM7, LR4, LQ4, L59, LQ9)
- Made In Wichita, Kansas From aerospace grade, USA produced, billet aluminium