For the
448PN petrol engine Jaguar Land Rover
platform, quality ignition parts help maintain smooth combustion and prevent misfires. NGK Iridium or Denso Iridium plugs are popular for longevity and stable spark under load. For coils, OE JLR units or Bosch replacements are reliable choices. Always match heat range and gap to factory specs and replace coils in sets if misfire patterns are widespread.
