Description
The NGK FR5AP-11 Laser Platinum spark plug is engineered for long service life and superior OE-level performance. Featuring a fine-wire platinum center electrode and platinum-enhanced ground electrode, it delivers stable ignition, improved fuel efficiency, and reduced emissions—ideal for modern distributorless ignition systems.
Key Features
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Laser Platinum design for extended lifespan vs. standard nickel plugs
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Fine-wire platinum center electrode for precise, consistent spark
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Platinum pad on ground electrode ensures even wear and durability
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1.1 mm pre-gapped for easy installation
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Copper core for excellent heat dissipation
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Anti-corrosion trivalent plating for easier installation/removal
- Best suited for engines originally equipped with platinum plugs
Specifications
General
- Part Number: FR5AP-11
- Stock Number: 5463
- Heat Range: 5
- Resistor: Yes (5000 Ohms)
- Pre-Gap: 1.1 mm
Shell
- Thread Size: M14 x 1.25
- Seat Type: Flat (gasket)
- Reach: 19.0 mm
- Hex Size: 5/8" (16 mm)
- Terminal Type: Non-removable nut
Electrodes
- Center Electrode: Fine-wire platinum (copper core)
- Ground Electrode: Nickel with platinum pad
- Configuration: J-gap
- Projection: Mid projection
Fitment Highlights
Saab
- 9-2X (2005–2006) – 2.5L H4
Subaru
- Baja (2004–2006) – 2.5L H4
- Forester (2005–2010) – 2.5L H4
- Impreza (2005–2011) – 2.5L H4
- Legacy (2004–2009) – 2.5L H4
- Outback (2004–2009) – 2.5L H4
Performance Notes
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Heat range 5: balanced for typical daily driving conditions
- Designed for longer service intervals than nickel plugs (often 60k+ miles)
- Provides better fuel efficiency and smoother idle compared to standard plugs
- Ideal replacement where OEM specifies platinum spark plugs
