This is a proven solution without condemning the engine block. This kit will allow you to secure all head bolts to block.
TimeSert Repair (ALTERNATIVE) 01-06 Toyota Camry Head Bolt Time-Sert M11 x 1.5
FOR FORD AUTO LIFT KIT ALTERNATIVE TOOL ENGINE LIFTING BAR & BRACKET HEAVY DUTY
PRISMATIC POWDERS® Ink Black (1 LB / PSS-0106)
Timesert - TS1012 (M10x1. 25) Thread Repair Kit New In Box
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