BIG-SERT OVERSIZED REPAIR for use when a coil style has failed
M14x1.25x16.8mm Taper seat spark plug insert
Must have kit p/n 5141S or 5141E to install. see description below
Solid bushing oversized spark plug insert
Professional repair insert for a high quality repair
BIG-SERT OVERSIZED REPAIR for use when a helicoil has failed. M14x1.25x16.8mm Taper seat spark plug insert. Professional repair insert for a high quality repair. Solid bushing oversized spark plug insert. must have kit p/n 5141S or 5141E to install. for ( 5141E kit search B00JDO801K) for ( 5141S kit search B00IXP1MBU ) Special Note: This insert is also used in Triple oversized Time-Sert kit p/n 5600