Feature●M14x.125x16.8mm Taper Seat spark plug inserts QTY 5●Use with kit p/n 4412 or 4412E by Time-Sert●Professional repair insert for a high quality repair●Fast and reliable repair by Time-Sert●Required kit p/n 4412E search# B00I1OHFL4 and sealer 6020 search# B00IZIBJ04 to install.Description Required kit p/n 4412E search# B00I1OHFL4 and sealer 6020 search# B00IZIBJ04 to install.