Time Sert Big-Sert 52175 M12 x 1.75 x 30.0mm Metric Steel Insert

Time Sert Big-Sert 52175 M12 x 1.75 x 30.0mm Metric Steel Insert. This is the replacement insert for the 4900BS head bolt thread repair kit.

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  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.