ICT BILLET LS Gen 3 Iron Block to Gen 4 Timing Chain Guide Drill Template Tool LQ4 L33 LQ9

Drill Guide for LS Gen III Engines

Compatible with all GM Gen III LS series engines from 1999-2008
Used to add the nessecary 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 compatable with Gen III LS Iron Blocks (LM7, LR4, LQ4, L59, LQ9)
Made In Wichita, Kansas From aerospace grade, USA produced, billet aluminum