Listing is for ONE replacement insert. Time Sert 42123 Single Replacement Thread Insert M12x1.25 15mm, can be used with the 4212 or 4212E spark plug thread repair kits.
Sales Mon-Fri. 7am - 8pm & Sat 9-12PM EST. Call center in Florida - warehouses throughout the USA. We ship from the closest stocking warehouse to you. Without a resale certificate 7.0% Sales tax in Florida. No tax charged outside FL.
