Kent-Moore J-42385-500 GM Headbolt Thread Repair Kit
For General Motors 4.0L 4.6L
For the repair of damaged cylinder head and main bearing cap mounting holes in the 4.0L and 4.6L aluminum block .
- This is based on the Time Sert method of thread repair which differs from the popular heli-coil method.
- This is the GM Powertrain recommended thread repair procedure.
- Cylinder head thread is M11x1.5, Main cap thread is M10x1.5.
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