Time-Sert and Big Sert Thread Repair Kits – FAQ’s
April 10, 2013 TIME-SERT Kits 4 Comments
To learn more about the Time-Sert J-42385-500BS and other Big Sert kits read on, or select the following link Time Sert J 42385-500BS to visit the product page for one of our most popular Big Sert kits.
©DenLorsTools.com Summary: Time Sert frequently asked questions. This article explains the difference in the Time-Sert Big Sert kits and the standard size kits. Big Sert kits have the initials BS on the end of the kit number. Like the J-42385-500BS and the J-42385-500; the two numbers are very close to being the same and are often confused with each other. Both are used for repairing threads for head bolts in the engine block of the Cadillac NorthStar.