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  • TIME-SERT 51459 Big Sert insert from wiseautotools.com showing outside measurement.

Time Sert BIG-SERT 51457A M14x1.25x16.8MM Aluminum Taper Seat Insert

SKU:
51457A
Weight:
0.10 LBS
Brand:
Shipping:
Calculated at checkout
Price:
$22.33


Product Description

Normally Used In Racing Applications, Where Nitomethane is used as a fuel. Steel Inserts have a higher tensile strength than aluminum and that's why steel inserts are the preferred choice for vehicles except for racing applications. This is also offered to those who prefer to use aluminum due to the dislike metal heat expansion and contracting issues (although we have not seen any issues). It is made for spark plugs that have threads on the full length of the plug that sits in the insert.  *Note, requires the Time Sert 51484A setting ring tool to be used on setting tool or thread damage may occur when installing. 

Question - Why is there a chunk missing out of the side of the insert?

Answer - The piece missing is NOT a defect. Time-Sert calls this part of the insert the "socket with metal locking pin". It is an engineered locking design. Once the insert is installed with the driver, the locking pin is pushed out and locks the insert into place. This creates a "cam lock" which helps to insure the insert will NOT back out. 

Also notice our bulk discount prices on TIME-SERT replacement inserts for thread repair kits. Need more information on TIME-SERT thread repair kits? Visit our auto repair blog section on thread repair kits for tips, advice and all your thread repair questions answered. Just comment and we will be quick to respond.

See the pdficon-small.png TIME-SERT products pdf for more information on thread repair kits and inserts. Some are listed for certain applications on cars, trucks and motorcycles. The pdf is a partial application list so feel free to email or call if we can assist with your particular need. We also accept inquiries regarding our daily TIME-SERT specials. Remember TIME-SERT is recommended by leading car manufacturers like the General Motors Corporation. In fact TIME-SERT is GM's only authorized repair for head bolt threads.

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