NGK Spark Plug Racing - R2525-10 FD2349 When properly secured

When properly secured

Side label is marked up in 100ml increments for easy measuring

It is suitable for use where the manufacturer recommends an API SG/CD or earlier specification 25W-50 lubricant

which allows HardKorr's ropes to elongate up to 30% in length

NGK Spark Plug Racing - R2525-10 FD2349 When properly securedNGK Racing Series Spark Plug NGK Racing Series plugs are engineered to withstand the harshest engine conditions. Fine wire platinum tipped center electrode improves ignitability, increases durability and enhances anti fouling capabilities. Special insulator nose configurations improve throttle response. Corrugated ribs prevent flashover. Pure alumina silicate ceramic insulator provides superior strength and better heat transfer. Copper core aids in