Pontiac GTO Spark Plugs - Select Year

Quality: OEM
Platinum+4 - - (Iridium) - 2 per Cylinder - Iridium - Iridium or Platinum - Platinum +4 Four times the amount of pure platinum with four electrodes and surface air gap technology. Delivers the most powerful spark. Four times the amount of pure platinum vs. Bosch Platinum for optimal engine performance, smoother acceleration, and top fuel efficiency. - Platinum 2 Double the amount of pre platinum with two electrodes and surface air gap technology for a more powerful spark. - Platinum 2 Double the amount of pre platinum with two electrodes and surface air gap technology for a more powerful spark. . - PT16VR13 ND - TR55 NGK - TR55 NGK "C" Engine - TR55 NGK "D" Engine - TR55 NGK "J" Engine - TR55 NGK "M" Engine - TR55 NGK "R" Engine - TR55 NGK ("C" ENGINE) - TR55 NGK - EFI - TR55 NGK - Inc. Supercharged - TR55 NGK - V8 4.1 - TR55 NGK - w/ Fuel Injection - TR55 NGK Excluding Turbo And Supercharged Models -

Quality: OEM
Platinum+4 - - (Iridium) - 2 per Cylinder - Iridium - Iridium or Platinum - Platinum +4 Four times the amount of pure platinum with four electrodes and surface air gap technology. Delivers the most powerful spark. Four times the amount of pure platinum vs. Bosch Platinum for optimal engine performance, smoother acceleration, and top fuel efficiency. - Platinum 2 Double the amount of pre platinum with two electrodes and surface air gap technology for a more powerful spark. - Platinum 2 Double the amount of pre platinum with two electrodes and surface air gap technology for a more powerful spark. . - PT16VR13 ND - TR55 NGK - TR55 NGK "C" Engine - TR55 NGK "D" Engine - TR55 NGK "J" Engine - TR55 NGK "M" Engine - TR55 NGK "R" Engine - TR55 NGK ("C" ENGINE) - TR55 NGK - EFI - TR55 NGK - Inc. Supercharged - TR55 NGK - V8 4.1 - TR55 NGK - w/ Fuel Injection - TR55 NGK Excluding Turbo And Supercharged Models -

Quality: OEM
PTJ16R15 ND - - (Iridium) - Iridium - Iridium or Platinum -

Quality: OEM
PTJ16R15 ND - - (Iridium) - Iridium - Iridium or Platinum -

TR55IX NGK - - (Iridium) - Iridium - Iridium or Platinum - TR55 NGK - TR55 NGK "C" Engine - TR55 NGK "D" Engine - TR55 NGK "J" Engine - TR55 NGK "M" Engine - TR55 NGK "R" Engine - TR55 NGK ("C" ENGINE) - TR55 NGK - EFI - TR55 NGK - Inc. Supercharged - TR55 NGK - V8 4.1 - TR55 NGK - w/ Fuel Injection - TR55 NGK Excluding Turbo And Supercharged Models -

TR55IX NGK - - (Iridium) - Iridium - Iridium or Platinum - TR55 NGK - TR55 NGK "C" Engine - TR55 NGK "D" Engine - TR55 NGK "J" Engine - TR55 NGK "M" Engine - TR55 NGK "R" Engine - TR55 NGK ("C" ENGINE) - TR55 NGK - EFI - TR55 NGK - Inc. Supercharged - TR55 NGK - V8 4.1 - TR55 NGK - w/ Fuel Injection - TR55 NGK Excluding Turbo And Supercharged Models -