NGK Iridium IX Spark Plug 10 mm Thread 0.749 in Reach Gasket Seat - Stock Number 3521 Overflow Tanks & Catch Cans std piston size will be

std piston size will be 3

R/H Rotation

283 lb/in Spring Rate

Round Boot

or simply leave it raw to create a truly custom look for an affordable price

NGK Iridium IX Spark Plug 10 mm Thread 0.749 in Reach Gasket Seat - Stock Number 3521 Overflow Tanks & Catch Cans std piston size will beProduct Description: Spark Plug NGK Iridium IX 10 mm Thread 0. 749 in Reach Gasket Seat Stock Number 3521 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,