Set of 6 Spark Plugs Standard Nickel Core Gap 0.016 (0.4mm) NGK BU8H (6431)

This is a set of six NGK BU8H (Part #6431) standard nickel core spark plugs, featuring a pre-set gap of 0.016 inches (0.4mm). These plugs are engineered for reliable ignition performance in a range of applications that require this specific heat range and gap specification. The durable nickel alloy electrode provides consistent spark delivery for efficient combustion, supporting smooth engine operation and stable idle. This set offers a complete solution for a tune-up on compatible inline-six or V6 engines, making it a practical choice for routine maintenance to help maintain engine responsiveness and fuel economy.