Premium Nickel Alloy Spark Plug for HONDA CIVIC

High-performance ignition with precision-engineered nickel alloy core for superior conductivity and durability

Exact OEM fitment replaces 27400-18110 MS851368 90048-51152 98079-5685C MS851738 with seamless compatibility

Laser-welded ground electrode enhances flame propagation for optimized fuel combustion and reduced emissions

Advanced ceramic insulator prevents voltage leakage under extreme temperatures (up to 1,500°F)

Iridium-enhanced center electrode delivers 60k+ miles reliable service with consistent spark output

CNC-machined triple-gasket seal ensures airtight compression in turbocharged or high-compression engines

Perfect for urban commuting, track days, and modified engines requiring stable ignition at 7,000+ RPM

Factory-calibrated 0.8mm gap eliminates need for adjustments during installation

Corrosion-resistant metal shell withstands road salt and moisture in all climates