NGK Spark plug - LKR8AP - 4471

Boost your engine’s efficiency and performance with the NGK LKR8AP (4471) Spark Plug—a platinum-tipped spark plug trusted by both enthusiasts and OEMs. Engineered for high-compression, turbocharged engines, it provides exceptional ignitability, long service life, and consistent combustion.

Whether you're maintaining your BMW or Porsche, this plug is a direct-fit replacement designed for precision and durability. Ideal for high-performance applications, including turbocharged 6-cylinder engines.

Key Features:

• OEM-Approved Quality: Meets or exceeds factory specifications

• Platinum Center Electrode: Superior durability and consistent spark

• Anti-Seize Coating: Prevents thread galling and corrosion

• Heat Range 8: Optimal for high-output engines

• Pre-Gapped: Engineered to spec for modern turbocharged engines

Specifications:

• NGK Part #: LKR8AP

• NGK Stock #: 4471

• Thread Size: 12mm

• Reach: 26.5mm

• Hex Size: 5/8" (16mm)

• Seat Type: Tapered

• Resistor: Yes

• Gap: Pre-set by NGK – do not modify

• Manufacturer Part Numbers: 12 12 0 032 273 (12120032273), 999 170 233 90 (99917023390), 9A7 905 601 50 (9A790560150)

Vehicle Fitment:

⚠️ Always confirm with your vehicle’s VIN or consult a certified technician to ensure proper fitment before installation.