8 Pack Denso 3421 Iridium Long Life Spark Plugs SK20HR11 ps

The Denso 3421 Iridium Long Life Spark Plug (SK20HR11) is designed to provide superior ignition, enhanced fuel efficiency, and long-lasting engine performance. Featuring an iridium center electrode, it ensures consistent spark, reduced wear, and optimal combustion. Ideal for modern and high-performance engines, the SK20HR11 guarantees reliable starts, smoother engine operation, and extended service intervals, making it perfect for a wide range of vehicles and applications.

Features & Benefits:

🔧 Iridium center electrode ensures long-lasting spark and reduced wear
🔧 Improves combustion efficiency for better engine performance
🔧 Enhances fuel economy and reduces emissions
🔧 Pre-gapped for quick and easy installation

Specifications:

Brand & Part Number: Denso 3421 (SK20HR11)
Material: Iridium Tip, Copper Core
Thread Size: 14mm
Reach: 0.75 in. (19mm)
Gap: Pre-gapped (~0.040 in.)

Boost engine performance and fuel efficiency with Denso 3421 Iridium Long Life Spark Plugs! 🔧