NGK Spark Plug 7321 offers unparalleled engine protection and significantly reduces the risk of punch through on machined metal surfaces. The detachable shoulder design enhances the terminal end's strength, ensuring reliable performance. Leveraging years of expertise in the development, design, and manufacture of spark plugs, NGK consistently meets and exceeds high customer expectations.
With stronger insulation to minimize punch through, cold rolled tread to prevent cross-threading and damage to cylinder heads, and a durable, long-wearing construction, NGK Spark Plug 7321 stands out as a top choice for advanced engine protection. Trust in NGK for a product that combines innovation and reliability.
Features
- Stronger insulation to reduce punch through
- Cold rolled tread prevents cross-threading and damage to cylinder heads
- Durable and long-wearing
- Advanced engine protection
