BIG-SERT Aluminum M14x1.25 Spark plug Home / Shop BIG-SERT Aluminum M14x1.25 Spark plug $0.00 Home / Shop BIG-SERT Aluminum M14x1.25 Spark plug $0.00 Model Number: Big-Sert-Aluminum-M14-sparkplug See link bottom of page for aluminum Big-Sert inserts. Maximum quantity exceeded Minimum purchase amount of 0 is required Maximum purchase amount of 0 is allowed CLICK BELOW LINK FOR ALUMINUM INSERTS A one-time price of $0.00 will be added to your order. 10000000 Categories: BIG-SERT M14x1.25 Sparkplug Inserts Manufacturer: TIME-SERT Description CLICK HERE FOR BIG-SERT ALUMINUM M14X1.25 SPARK PLUG INSERTS.