Spark Plug reviews from Reddit
Summary
We analyzed 161 Reddit reviews across 52 subreddits and 65 posts to rank the best Spark Plug brands recommended by redditors, including communities like r/accord, r/LSSwapTheWorld, r/Honda, r/XTerra, r/FocusST. Top-rated brands include NGK (4.5/5), Denso (4.7/5), Motorcraft (4.5/5).
Stats
Reviews161
Subreddits52
Posts65
Brands17
Products54
161 reviews from
and
By Brand
/By Product
#1
NGK
4.5
(102)
"For plugs, either NGK Racing R7438-8 (4905) or Denso IKH01-24 (5749). They're one step colder plugs with non-projected electrodes that won't break off and grenade the engine under boost like some other plugs."
"NGK Laser Iridium is what you’ll want to use."
"Ngk or denso imo."
"Ngk iridium is what everybody recommend to me"
"For my bike I use NGK plugs. The CR9EIX specifically"
"Get an iridium sparkplug na from ngk or denso. Why iridium? For longer service life/you don't have to replace them often."
"NGK Iridium would be my choice."
"Im a big fan of the NGK double plats, ran them in my 01, put them in my 2010 and ran them in my 02 cougar."
"NGK TR55 or next best equivalent. Wouldn't change heat range at all."
"NGK's"
#2
Denso
4.7
(20)
"I ran the Denso’s on mine and they were great."
"Denso every time"
"Ngk or denso imo."
"Denso or ngk"
"Oem. Denso. Ngk. Do not buy autolites!"
"Denso Iridium SK20R11 or NGK equivalent."
"Use OEM denso."
"I did Denso 3297 from RockAuto. They work great."
"I've always used the Denso SK20R11 plugs in mine and been pleased."
"Denso coils , NGK/Denso iridium plugs."
#3
Motorcraft
4.5
(8)
"I've gotten over 100000 miles on these plugs and motorcraft wires."
"You can also just go with Motorcraft plugs, or NGK 96588."
"I would recommend the motorcraft ones the manual tells you."
"Motorcraft is the way to go cheapest place is Amazon."
"Motorcraft ,bosch or ngks."
"Yes. Also, use Motorcraft plug wires"
"Went with Motorcraft in my 2018 recently, Rock Auto had them cheapest."
"OE. Motorcraft SP-535: iridium, should be pre-gapped to 0.035”"
#4
Champion
4.2
(5)
"Champion iridium. Champion was the o e m manufacturer"
"Cheap ass copper champions. She hates all others"
"Pretty sure I have Champion in mine"
"Champion rc12yc is right plug for these newer briggses."
"Champion rc12yc"
#5
HKS
4.0
(5)
"HKS M50HL"
"HKS are great as well but you will be fine with OEM."
"HKS M50HL"
"If you wanna just go the extra mile and upgrade your spark plugs I’d say go with HKS"
"HKS M40XL(8) and HKS M45XL(9) are highly recommended across the Veloster community."
#6
OEM
4.3
(4)
"Stick with the oem iridium’s."
"Stick with premium OEM"
"I always use OEM specified plugs."
"Go with OEM. Subarus can be picky."
#7
AcDelco
3.7
(3)
"AcDelco R45TS"
"Just go back with an ac delco plug."
"I recommend nothing with platinum."
#8
Brisk
4.0
(2)
"I personally use Brisk N14C. I don't know if it's the best but served me much better than the stock one."
"The last three cars I have used Brisk racing plugs."
#9
Bosch
4.0
(2)
"Bosch should be good as long as they are genuine Bosch."
"Bosch iridiums, these for longevity, copper ones have better spark if your concern is performance"
#10
AC Delco
4.0
(2)
"Should be ac Delco iridiums that's what if came off the assembly line with."
"I stick with OEM AC Delcos, but it’s not like one is magically better."
#11
Autolite
3.5
(2)
"Autolite AR3910X"
"Lil colder autolite"
#12
GM Performance
4.0
(1)
"GM Performance Red Wires"
#13
Ford Performance
4.0
(1)
"Personally, I'd go with the Ford Perf ones, but that's just me"
#14
Pulstar
4.0
(1)
"Pulstar."
#15
Taylor
4.0
(1)
"Taylor seems to last forever"
#16
MSD
4.0
(1)
"I’d get MSD wires, use wire wraps if the under hood temps are really that hot."
#17
Spark Plug
4.0
(1)
"NGK might be OK if you had to use a different brand."
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