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 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 aluminum
The holes can be drilled all the way through the engine block, IF the crankshaft is not in the block. See the video on this listing to only partially drill the holes if your crankshaft is still installed in the engine block
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LS Gen 3 Iron Block to Gen 4 Timing Chain Guide Drill Template Tool LQ4 L33 LQ9
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 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 aluminum
The holes can be drilled all the way through the engine block, IF the crankshaft is not in the block. See the video on this listing to only partially drill the holes if your crankshaft is still installed in the engine block
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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 aluminum
The holes can be drilled all the way through the engine block, IF the crankshaft is not in the block. See the video on this listing to only partially drill the holes if your crankshaft is still installed in the engine block












