NGK Laser Iridium Spark Plug 12 mm Thread 26.5 mm Reach Gasket Seat - Stock Number 4912 DX2100K Clears 4-Bolt Block

Clears 4-Bolt Block

GMC: Sierra 1500 99 - 14 5

600" OD valve guides

Replacement center section for the MD3 Modified nose

Ford F-350 Super Duty: 2005 - 2016

NGK Laser Iridium Spark Plug 12 mm Thread 26.5 mm Reach Gasket Seat - Stock Number 4912 DX2100K Clears 4-Bolt BlockProduct Description: Spark Plug NGK Laser Iridium 12 mm Thread 26. 5 mm Reach Gasket Seat Stock Number 4912 Resistor Sold Individually With over 80 years of automotive expertise, we are driven by extreme dedication to performance and quality. From OEM to aftermarket, our people push the boundaries of innovation to bring the latest technologies to market under the NGK and NTK brands. Since 1936, NGK Spark Plugs has been the world leader in technology,