DennisB DenLorsTools.com © Summary: Head bolt thread repair kits for repairing headbolt threads in the cylinder block are covered by a master automotive technician. Advantages of using Time Sert 11125 over the Helicoil 5543-11. Both kits are for M11x1.25 head bolts which are commonly found in Subaru and Nissan (and Infiniti) engines. Which is better? What causes failure of the threads? These questions and more answered below. Also see the video discussing differences in Helicoil VS Time Sert. Click the following current pricing on the Time Sert 11125. For over-size see Time Sert 11125BS. See below for more information.

Read the rest…

© DenLorsTools.com Summary: A question about the application of a TIME-SERT kit for a Subaru which has had a Heli-Coil fail. Technician at a Subaru dealer needs an over-sized thread repair solution for saving the cylinder head on his customer’s Subaru. One head bolt hole has never been repaired before but has damaged or stripped threads.

Read the rest…