NGK Iridium IX Spark Plug UR4IX/7401 - 14 mm Thread - 0.460" Reach - Tapered Seat - Resistor HB22031 These studs were developed primarily

These studs were developed primarily for the oval track racer using Moroso Small Block Chevy cast aluminum valve covers where a leaking valve cover caused by a fastener shaking loose from vibration could mean disaster Set consists of eight 1/4"-20 x 1-3/4" slotted head set screws installed in the head like studs

Polaris UTV 2015-17

300SDL 1987-1986

Optimized runner layout and constant cross sectional area provide a broad torque curve

NGK Iridium IX Spark Plug UR4IX/7401 - 14 mm Thread - 0.460" Reach - Tapered Seat - Resistor HB22031 These studs were developed primarilyProduct Description: Spark Plug NGK Iridium IX 14 mm Thread 0. 460 in Reach Tapered Seat Stock Number 7401 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,