NGK Iridium IX Spark Plug - 10 mm Thread 0.749" Reach Gasket Seat - Stock Number 4218 Head Sock Expandable from 40 in

Expandable from 40 in

1974-1974 GMC P35/P3500 Van

2200 / 7000 RPM

2" Shoulder Accomodates HNR / HANS Device

NGK Iridium IX Spark Plug - 10 mm Thread 0.749" Reach Gasket Seat - Stock Number 4218 Head Sock Expandable from 40 inProduct Description: Spark Plug NGK Iridium IX 10 mm Thread 0. 749 in Reach Gasket Seat Stock Number 4218 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,