Motorcraft SP-502-X Platinium
Platinum spark plug for selected Ford 5.0 L, 5.8 L and 7.5 L engines plus Lincoln and Mercury applications. 14 mm thread, tapered seat.
Motorcraft SP-502-X is a platinum spark plug for selected Ford, Lincoln and Mercury vehicles. The plug uses a 14 mm thread, tapered seat, resistor design and platinum center electrode.
Application / fitment
The plug is intended for selected Ford 5.0 L, 5.8 L and 7.5 L engines plus selected Lincoln and Mercury applications. On engines with changed cylinder heads, compare the plug with the specific head requirements.
- part type: spark plug
- Ford Mustang V8 5.0 L 1987-1995
- selected Ford V8 302 / 5.0 L, 351 / 5.8 L and 460 / 7.5 L engines
- selected Ford 1971-1997
- selected Lincoln 1973-1989
- selected Mercury 1971-1993
Before installation, check cylinder head seat type, thread reach, required gap and ignition wire condition. Engines with different heads, LPG conversion or modified ignition should be matched to the specific engine setup.
Technical information
- part type: spark plug
- resistor type: yes
- center electrode: platinum, copper core
- ground electrode: nickel
- thread size: 14 mm
- thread reach: 0.460" / 11.68 mm
- hex size: 5/8" / 15.88 mm
- seat type: tapered
- washer included: no
- sale unit: 1 spark plug