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NINEFOX Spark Plug Thread Repair Kit

Curated from 139 real Reddit conversations

Refreshed on: February 15, 2025

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NINEFOX Spark Plug Thread Repair Kit

Brand: NINEFOX
Price: $14
Snoop Score:
5.0
Sentiment
8.8
Popularity
9.8
Technical
2.1
Buy on Amazon for $14See All Spark Plug Thread Repair Kits Reviews
As an Amazon Associate, I earn from qualifying purchases.

Snoop's Take

The NINEFOX Spark Plug Thread Repair Kit is designed to efficiently repair damaged spark plug threads in gasoline and diesel engines. This comprehensive kit includes thread inserts and taps in various sizes, making it a versatile tool for automotive repairs. Consumer feedback highlights the effectiveness and ease of use of this kit. Many users have expressed satisfaction with its performance, stating, "I've had multiple plugs in multiple tires over the last 30k miles of LA roads and still holding fine," which speaks to its long-lasting capabilities. Additionally, DIY enthusiasts appreciate how straightforward the repair process is, with comments like "easy fix just follow directions" emphasizing its accessibility. Overall, based on user experiences and sentiment, the NINEFOX Spark Plug Thread Repair Kit is highly recommended for those seeking an efficient solution for spark plug thread repairs in both personal and professional settings.

Not for you? Check out our other rated Spark Plug Thread Repair Kits

Agreed, have used plugs kits for 20+ years at least a dozen times and never had one fail before a tire needed replacing anyway.

Positive Feedback

Plugs though, almost always LEAK!!!

Negative Feedback
Product
5.0
NINEFOX Spark Plug Thread Repair Kit
Buy on Amazon for $14
Repair Damaged Spark Plug Threads
2 / 10
Engine Maintenance
2 / 10
Automotive Workshop Tooling
2 / 10
DIY Engine Repairs
2 / 10
See how this compares to all Spark Plug Thread Repair Kits

What it does well!

Key strengths users can’t stop talking about.
Effective for fast repairs
“Agreed, have used plugs kits for 20+ years at least a dozen times and never had one fail before a tire needed replacing anyway.”➕
“Easy fix just follow directions.”➕
“Help: Broken spark plug removal”➕
“Rethreading spark plug hole Does anyone have any experience in re-threading a spark plug hole?”➕
Can last long-term with proper use
“60+ psi on my smaller tires and they’ve been in for years.”➕
“I’ve had multiple plugs in multiple tires over the last 30k miles of LA roads and still holding fine.”➕
Easy to use for DIY enthusiasts
“If your head is aluminum take it slow and easy.”➕

Where it needs some work!

Areas to watch—feedback on possible improvements.
Plugs may cause leaks over time
“Plugs though, almost always LEAK!!!”➕
“I wouldn't go that far lol my fastest oil change was 9 minutes WITHOUT a pit.”➕
Not recommended for sidewall repairs
“Replace it never patch”➕
“I’d say give this a go but don’t expect a miracle.”➕

Compare On All Talked About Dimensions

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GallopMax 38900 Two Valve Triton Tool KitGallopMax 38900 Two Valve Triton Tool Kit$65
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SHMZK Spark Plug Thread Repair KitSHMZK Spark Plug Thread Repair Kit$19
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FLYPIG M14 x1.25 Carbon Steel Spark Plug Repair KitFLYPIG M14 x1.25 Carbon Steel Spark Plug Repair Kit$10
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CALIDAKA Spark Plug Repair KitCALIDAKA Spark Plug Repair Kit$19
7.9
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MARKETTY 38900 Two Valve Ford Triton Tool KitMARKETTY 38900 Two Valve Ford Triton Tool Kit$67
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Camrusic Spark Plug Thread Repair KitCamrusic Spark Plug Thread Repair Kit$17
7.5
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Tookie Spark Plug Thread Repair KitTookie Spark Plug Thread Repair Kit$18
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BZBMGMO Spark Plug Repair Tooling KitBZBMGMO Spark Plug Repair Tooling Kit$59
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ZKTOOL 14mm Cylinder Head Rethreaded KitZKTOOL 14mm Cylinder Head Rethreaded Kit$9
6.5
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ABN Spark Plug Thread Repair Rethreading SetABN Spark Plug Thread Repair Rethreading Set$77
5.8
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DPTOOL 14mm Back Tap Spark Plug Thread Repair ToolDPTOOL 14mm Back Tap Spark Plug Thread Repair Tool$15
5.5
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WAONIQ 15 Pcs Thread Inserts M14x1.5 Repair KitWAONIQ 15 Pcs Thread Inserts M14x1.5 Repair Kit$26
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NINEFOX Spark Plug Thread Repair KitNINEFOX Spark Plug Thread Repair Kit$14
5.0
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LLNDEI Spark Plug Thread Repair KitLLNDEI Spark Plug Thread Repair Kit$63
4.8
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Camrusic Spark Plug Thread Repair KitCamrusic Spark Plug Thread Repair Kit$16
4.3
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TIME-SERT Time-Sert® M14x1.25 Spark Plug Thread Repair KitTIME-SERT Time-Sert® M14x1.25 Spark Plug Thread Repair Kit$326
4.2
DetailsBuy
A-DCWMool 38900 Two Valve Ford Triton Tool KitA-DCWMool 38900 Two Valve Ford Triton Tool Kit$61
4.0
DetailsBuy
Walfront Spark Plug Thread Repair KitWalfront Spark Plug Thread Repair Kit$21
3.7
DetailsBuy
BZBMGMO M10 X 1.0X12.7 Spark Plug Repair Tooling KITBZBMGMO M10 X 1.0X12.7 Spark Plug Repair Tooling KIT$55
3.0
DetailsBuy
WINTOOLS 26pc Spark Plug Thread Repair KitWINTOOLS 26pc Spark Plug Thread Repair Kit$44
2.5
DetailsBuy
Performance Tool W86910 Spark Plug Repair KitPerformance Tool W86910 Spark Plug Repair Kit$28
0.8
DetailsBuy

Hidden Hero Hacks

Unexpected tricks and side‑door uses you’ll love.
Discussion about re-threading techniques and tools
“Is using the helicoil and rethreading he same thing?”➕

Buyer’s Cheat Sheet

What to check before you click ‘Add to Cart.’
Discussion about rising prices of spark plugs
“Boomer mad that spark plugs aren’t a few bucks anymore.”➕
“He can change his own points and distributor, right?”➕
“I'VE BEEN AROUND A WHILE, I KNOW THAT SPARK PLUGS ARE 35 CENTS EACH.”➕
“I read this can be easily done manually with basic tools.”➕
Questioning dealership practices regarding spark plug replacement
“Clearly she did not understand the implication that if this job goes wrong... she could be left with a $5600 bill.”➕
“I’m confused at why they would quote an entire new engine when they could extract the spark plug though…”➕
“Ya a broken spark plug is definitely a pain in the ass but doesn’t require a full engine replacement.”➕
Discussion about spark plug replacement costs and labor
“I don’t think the cost of spark plugs are $700? What should they cost?”➕
“That is plenty enough to get to $700 when you are paying for marked up OEM plugs.”➕
“100% depends on the vehicle for how much changing spark plugs labor time costs.”➕
“All spark plug jobs are not the same.”➕

Cautionary Callouts

Know the pitfalls before they catch you off guard.
Discussion on the effectiveness of plug vs patch repairs
“But sounding kinda over dramatic about the plug 😆”➕
“Patch plug is best.”➕
Personal anecdotes about using plugs
“yea sure patches are better but plugs work just fine on most situations.”➕
“Jammed 2 plugs into that hole and let the road eat the excess.”➕
Anecdotes about spark plug issues and repairs
“If small time me can go that far out of my way to take care of a client then why I'm the hell can the dealership she bought the damn car from not do similar?”➕
Concerns about quality of spark plugs from certain sellers
“Is it a mistake or am i missing something in the process of chaning spark plugs?”➕
“I'm not too sanguine on installing parts from a seller who accidentally includes Temu crap in my order.”➕
“High chance they are counterfeit junk sparkplugs.”➕
Discussion about authenticity and potential counterfeits
“Thanks for posting on /r/MechanicAdvice!”➕

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