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5 of 6 people found the following review helpful: By Amazonshoe "Amazonshoe" (texas) - See all my reviews This review is from: NGK (3764) BKR6EIX-11 Iridium IX Spark Plug, Pack of 1 (Automotive) I HAVE POSTED TONS OF PICTURES ABOVE FOR COMPARISONDenso IK20 = Electrode .4mm (rated 30k)high performance, low mileage NGK BKR6EIX-11 = Electrode .6mm (rated 60k-70k) mid, mid NGK IFR6T11 OE = Electrode .7mm (rated 120k) stock performance, high mileage Denso SK20R11 (OEM long life)= Electrode .7mm (rated 120k) stock performance, high mileage Hope this helps. These are 4 top-rated plugs. Rated mileage varies on these plugs depending on various factors of your engine. Keep your engine fuel clean and u should be fine. Toyota recommends the SK20R11 but I found in the owners manual that the discontinued "IFR6A11" is also comparable replacement, the new one is the IFR6T11. I've tried SK20R11 and it lasted about 110k but there was some compression leak (plugs were still good though). All of these are excellent plugs. I have not tried IK20s yet but will purchase some though the 30K life is pretty short. I hate the 1mz-fe engines with...Read more 1 of 1 people found the following review helpful: By Amazon Verified Purchase(What's this?) This review is from: NGK (3764) BKR6EIX-11 Iridium IX Spark Plug, Pack of 1 (Automotive) They are well built, the plug gap (distance between the two electrodes) from the factory are correct, and I installed them without any problems. I only ran them for about 10,000 miles on my 1998 4 cylinder engined Camry so I can't really tell its durability yet. 1 of 1 people found the following review helpful: By Ian MacIntyre (CA, USA) - See all my reviews Amazon Verified Purchase(What's this?) This review is from: NGK (3764) BKR6EIX-11 Iridium IX Spark Plug, Pack of 1 (Automotive) From grrrrrr to fvrrrrrm, recommend these plugs. Used to change out 55k 12 year old OEM plugs on a 98 Impreza. Time will tell on mileage... |