NS300L™ By Huhn Solutions
THE BENCHMARK IN HEAD BOLT THREAD REPAIR
FIX IT ONCE, FIX IT RIGHT!
The NS300L™ insert system has become the benchmark for repairing aluminum engine blocks.
The NS300L™ Insert System is a head bolt thread repair system designed and manufactured in the USA. Originally engineered with great success, to outperform all other repairs on the market for the Cadillac Northstar engine. But since it's conception, the NS300L™ Insert System has become the preferred thread repair for many other aluminum engines as well, including the Toyota 2.4L 2AZ-FE. Although other systems may make the claim of having an "approved" kit by many automotive manufacturers, the NS300L™ kit has developed the reputation of being a "confirmed" repair. There's a big difference between "approved" and "confirmed", especially when you figure the expense of a possible failed repair. See a list of available kits by manufacturer.