Big-Sert 51407A M14 x 1.25 x 16.8mm Aluminum Washer Seat Spark Plug Insert

Description

Big-Sert M14 x 1.25 x 16.8mm Washer Seat Aluminum Part #51407A

Normally used in racing applications, where Nitromethane is used as a fuel. Steel inserts typically have a higher tensile strength than aluminum.

Metric Insert Size M14 x 1.25 x 16.8mm

Professional Thread Repair

 Time Sert inserts self locking. On installation the bottom internal threads of the insert are cold rolled to expand the mating external threads into the base material locking the insert in place.

Inserts are sold in 2 packs.

Additional information