NGK 3951 TR55 V-Power Spark Plugs for T20EPR-U15 T16EPR-U15 SP446 SP400 - 6 Pack

The NGK 3951 V-Power Spark Plug (TR55) is designed to deliver enhanced ignitability, improved fuel economy, and smooth engine performance. Featuring a V-groove center electrode and a solid copper core, it promotes efficient combustion, reduces emissions, and provides reliable ignition—ideal for a wide range of vehicles.

Features & Benefits:

🔧 V-groove electrode enhances flame propagation and fuel burn
🔧 Copper core ensures optimal heat transfer and spark performance
🔧 Reduces misfires and fouling for consistent operation
🔧 Pre-gapped for quick and easy installation

Specifications:

Brand & Part Number: NGK 3951 (TR55)
Material: Nickel with Copper Core
Thread Size: 14mm
Reach: 19mm (0.75 in)
Hex Size: 5/8 in (16mm)
Heat Range: 5
Seat Type: Gasket
Resistor: Yes
Gap: 1.1mm (0.043 in)

Upgrade to NGK TR55 V-Power for reliable performance, better fuel efficiency, and longer plug life—order now!