The lower portion of the tap guide should remain as square as possible to the engine surface. Turn the tap slowly while making sure the guide remains flush. TAP GUIDES INSURE THAT THREADS ARE SQUARE TO SURFACE.
TOYOTA 2.4/2.0l 2AZ-FE HEAD BOLT THREAD REPAIR, FIXES FAILED TIMESERT/HELICOIL
2000-2006 TOYOTA 2.4/2.0 1AZFE and 2AZ-FE HEAD BOLT SET, AVOID DOING TIMESERT
M11X1.5 HEAD BOLT THREAD REPAIR FIX FAILED TIMESERT-FITS KIA/HYUNDAI 3.3/3.5/3.8
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Timesert Kit Alternative 01-06 TOYOTA 2.4L 2AZ-FE HEAD BOLT SET THREAD Damage
M8 X 1.25 8MM Bottom Tap Morse MT3838109 Hand Tap USA D5 Metric