NGK Iridium IX Spark Plug - 14 mm Thread 0.749" Reach Gasket Seat - Stock Number 6441 HASZF20BP Moderate to Aggressive Exterior Exhaust

Moderate to Aggressive Exterior Exhaust Tone

Breath deflector helps to keep shield fog-free during competition

Big O Dragster Scoop

Includes Throttle Body gaskets for 950 CFM-1475 CFM models

NGK Iridium IX Spark Plug - 14 mm Thread 0.749" Reach Gasket Seat - Stock Number 6441 HASZF20BP Moderate to Aggressive Exterior ExhaustProduct Description: Spark Plug NGK Iridium IX 14 mm Thread 0. 749 in Reach Gasket Seat Stock Number 6441 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,