8x Genuine Motorcraft Platinum Spark Plug SP-547-X PZK-1F-X

Description

Genuine Motorcraft Platinum Spark Plug – SP-547-X (PZK-1F)

The Motorcraft SP-547-X is the correct OEM platinum spark plug for the Ford 5.4L 3-Valve Modular V8 engine used in select BA and BF Ford models. These plugs are designed specifically for the unique combustion characteristics of the 3V SOHC engine and are not used in the Boss 260/290 DOHC applications.

Suitable for the Following Models:

• Ford BA Fairlane G220 (5.4 3V V8)

• Ford BF Fairlane G220 (5.4 3V V8)

• Ford BA RTV Ute (5.4 3V V8)

• Ford BF RTV Ute (5.4 3V V8)

Note: These plugs are not used in the Boss 260 or Boss 290 engines found in XR8 or FPV models.

Why Choose SP-547-X?

• Genuine Motorcraft part – engineered to factory specification.

• Optimised for 5.4L 3V SOHC valve timing and combustion.

• Long-life platinum center electrode for superior durability.

• Copper-glass seal ensures reliable voltage delivery and minimizes misfires.

• Nickel-plated shell prevents thread corrosion and seizing.

• Excellent heat tolerance for workhorse applications like RTV.

Product Specifications:

• Part Number: SP-547-X / PZK-1F

• Previous Part Numbers: SP-546, SP-515

• Thread Size: M16 x 1.50 mm

• Hex Size: 14 mm

• Electrode Material: Platinum center, Nickel ground

• Seat Type: Tapered

• Resistor: Yes

• Heat Range: 1 (Manufacturer)

• Insulator Type: Non-Projected

Installation Tips:

• Always torque plugs according to Ford’s factory specification for 3V heads.

• Anti-seize is recommended only if specified by your service manual.

• Confirm gap as per tune or workshop manual before installation.

• Not suitable for 5.4 Boss DOHC or 5.0 Miami engines.

Why Buy from BPRacing?
We supply genuine Motorcraft spark plugs directly from trusted sources. The SP-547-X delivers the precise fit and long-term performance needed for the 5.4L 3V Modular engines used in Australian RTV and G220 models — ensuring reliable ignition, efficiency, and longevity.