NRW Design Billet Spark Plug Tubes with Viton Gasket Set! Made from 6061 billet aluminum, these are the first ever serviceable spark plug tubes on the market, also giving 30% more sealing contact surface than the OEM spark plug tubes.

NRW billet spark plug tubes will last a lifetime and will not leak, tear, or deteriorate over time.

*All NRW product prices include shipping, customs and import costs as well as VAT, therefore NRW USA prices are not reflective of NRW UK prices.