NGK Iridium IX Spark Plug - 14 mm Thread 0.984" Reach Tapered Seat - Stock Number 6509 RS004001 our engineers were tasked with

our engineers were tasked with developing a 2-Step Rev Control that could be added to give racers the ability to switch to a low rpm limit to use on the starting line

5 in Wide x 12 in Tall

Introducing the NEW Centerforce SST (Solid Street Twin)

TPP rating of 26

NGK Iridium IX Spark Plug - 14 mm Thread 0.984" Reach Tapered Seat - Stock Number 6509 RS004001 our engineers were tasked withProduct Description: Spark Plug NGK Iridium IX 14 mm Thread 0. 984 in Reach Tapered Seat Stock Number 6509 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,