Set of 8 Iridium Spark Plugs SP515 for Ford/Lincoln 4.6L-6.8L V8
Iridium spark plugs with six times harder center electrode durable than platinum. Improves engine speed and power, with noted good quality and value for money. Some customers question fit for certain vehicles
Highlights
- iridium fine wire center electrode
- six times harder than platinum
- high melting point for modern engines
Pros
- iridium center electrode durability
- improves engine speed and power
- good quality and value for money
- compatible with multiple Ford/Lincoln V8s
Cons
- mixed feedback on fit for some vehicles
- durability reports vary
Best For
Features
- Fits Ford F-150, Expedition, F-250/F-350 Super Duty and related models with 4.6L/5.4L/6.8L V8 engines from 1997-2014 (various trims) and Mustang/ Lincoln configurations 1996-2010
- Includes replacement part numbers SP515, SP546, PZH14F, SP514, PZH1F, SP507, PZK1F, PZT14F, SP462, PZT2F, SP421
- Iridium center electrode offers enhanced durability, six times harder than platinum with high melting point for modern engines
- 12-month warranty with refund or replacement if any plug has an issue during coverage period