Delivery info

Delivery is generally
within 2-10 days, depending
on your location.

30 days returns

Return will not accepted if the product is opened or after use. All returns requests need to be within 30 days of when the original order was received. Original shipping costs will not be refunded.

NGK 3951 TR55 V-Power Spark Plug (4 Pack)





  • NGK V-Power spark plugs are tested to the highest OE standards. Trivalent metal plating eliminates the need for anti-seize. For even greater performance consider upgrading to a NGK Iridium IX Spark Plug.
  • NGK V-Power spark plugs offer reliable performance and improved ignitability over standard nickel plugs. Actual OE or equivalent replacement spark plug.
  • The special V-cut center electrode and concave ground electrode of NGK's V-Power spark plug increases ignitability. Engineered specifically for OE applications.



  • (2011-88)¬† BUICK¬†
  • (2011-82)¬† CADILLAC¬†
  • (2014-92) CHEVY¬†
  • (2014-78)¬† FORD / LINCOLN¬†/ MERCURY¬†
  • (2014-96) GMC¬†
  • (1999-97) ISUZU¬†
  • (2002-00) JAGUAR¬†
  • (2007-91)¬† MAZDA¬†
  • (2003-88) OLDSMOBILE¬†
  • (2008-88) PONT¬†
  • (2006-05) SATURN¬†
  • (2005-94) INDMAR
  • (2006-00) MERC


Center Electrode Core MaterialCopper Core
Center Electrode Tip MaterialNickel w/ V-groove
Electrical Terminal TypeNon-Removable Nut
Ground ConfigurationStandard
Ground Electrode Core MaterialNickel Core
Ground Electrode Quantity1
Ground Electrode Tip DesignStandard
Hex Size5/8 in
Insulator Height53.00 mm
Manufacturer Heat Range5
Part NumberTR55
Pre-Gap Size.060 in
Reach.708 in
Resistance5000 Ohms
Resistor TypeYes
Seat TypeTapered
Stock Number3951
Thread Diameter14.00 mm





Added to cart successfully!