NOTE: A good thread repair practice is to always verify each hole depth before drilling.
We recommend a "Tap Wrench" for tapping and driver tools.
BIG-SERT OVERSIZED UNIVERSAL HEAD BOLT ENGINE BLOCK THREAD REPAIR
10 inserts of a 30mm length included in M11 & M12 kits.
Normally used when a helicoil or coil style insert has failed. You must determine if the kit will be suitable for your application. Click here for NOTES: head alignment Dowel for GM, Toyota, Honda and Subaru.