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

• 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)
• 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