shakesvho Posted June 29, 2009 Report Share Posted June 29, 2009 (edited) want back to read it over, maybe I'm looking at it wrong Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each Part Number: NGK-4177 looked at the pic there(summit) looks the same ??? Edited June 29, 2009 by shakesvho (see edit history) Quote Link to comment Share on other sites More sharing options...
dozer Posted June 29, 2009 Report Share Posted June 29, 2009 (edited) want back to read it over, maybe I'm looking at it wrong Spark Plug, V-Power, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each Part Number: NGK-4177 looked at the pic there(summit) looks the same ??? Yep these are them BrandNGK Spark PlugsManufacturer's Part Number 4177Part Type Spark PlugsProduct Line NGK V-Power Spark PlugsSummit Racing Part Number NGK-4177Shorty Spark Plug NoResistorYes Manufacturer Heat Range6 Electrode Core Material CopperElectrode Tip Material Nickel alloy Insulator Type Projected Spark Plug Thread Size 14mmSpark Plug Reach 0.708 in.Spark Plug Seat Style TaperedWrench Diameter 5/8 in.Ground Strap Quantity One NGK Part Number TR6<------------------------------TR6 thses are the right plugs Quantity Sold individually. Edited June 29, 2009 by dozer (see edit history) Quote Link to comment Share on other sites More sharing options...
shakesvho Posted June 30, 2009 Report Share Posted June 30, 2009 when did they stop calling them as tr6 and went to the part number 4177, last set I picked up was listed as tr6 thanks for the reply and help -tommy Quote Link to comment Share on other sites More sharing options...
MarcuSS Posted July 8, 2009 Report Share Posted July 8, 2009 Has anyone tried Bosch spark plugs? Or should i go with something else? Quote Link to comment Share on other sites More sharing options...
12'SROCK Posted July 8, 2009 Report Share Posted July 8, 2009 Has anyone tried Bosch spark plugs? Or should i go with something else? Bosch are POS... use AC Delco or NGK plugs Quote Link to comment Share on other sites More sharing options...
Fireman31 Posted July 9, 2009 Report Share Posted July 9, 2009 when did they stop calling them as tr6 and went to the part number 4177, last set I picked up was listed as tr6 thanks for the reply and help -tommy They are still listed on Summit Racing under "Type" as TR6.......the actual NGK part number is 4177.....all V-Power spark plugs are copper core spark plugs..... Quote Link to comment Share on other sites More sharing options...
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