---
title: "5.7 hemi spark plugs — Niche Verdict: Skip it (41/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/5-7-hemi-spark-plugs"
last_updated: "2026-07-14T01:47:54.557Z"
locale: en
meta:
  description: "weak search conversion (1.7%) — 5.7 hemi spark plugs doesn't clear our bar today."
  "og:description": "weak search conversion (1.7%) — 5.7 hemi spark plugs doesn't clear our bar today."
  "og:title": "5.7 hemi spark plugs — Niche Verdict: Skip it (41/100) | Amazon United States - Flapen"
---

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# **5.7 hemi spark plugs**

**Skip it**

Weak search conversion (1.7%) — this niche doesn't clear our bar today.

Market size 23Growth 25Conversion 22Competition 47Returns 59Price range 29Avg price 69Brand share 53Review moat 87Quality gap 43

**Review moat**

**Great****262.04**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Good****$116.82**

avg listing price — sweet spot $15–$100

**Returns**

**Good****2.6%**

return rate — above 6% kills the launch gate

**Brand share**

**Good****73%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****57%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****$9.23–$297.49**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Growth**

**Bad****-0.9%**

90-day search growth — must beat 0% to launch

**Market size**

**Bad****$91K**

$91K/yr · 45K searches

**Conversion**

**Bad****1.7%**

search→purchase rate — share of searches ending in a sale

## **Competition**

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**18 **—flat

**Sellers**

**39**

**Top-5 brand share**

**73%**

**Open market**

**22%**

- Sixity Auto28% - Newparts16% - ENA14% - SYKRSS9% - BDFHYK6% - KAX5%

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$5K10%$9K15%$14K20%$18K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 25 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![16 pc NGK Iridium IX Spark Plugs compatible with Ram 1500 5.7L V8 2011-2024 HEMI V8 truck](https://m.media-amazon.com/images/I/51G-m+8KnfS.jpg)**16 pc NGK Iridium IX Spark Plugs compatible with Ram 1500 5.7L V8 2011-2024 HEMI V8 truck**Sixity Auto**$154.62**4.7★557 rev](https://www.amazon.com/dp/B082812TZC) [2![NGK Set of 16 Iridium IX Spark Plugs For Chrysler Dodge Jeep Ram 5.7 6.4 V8](https://m.media-amazon.com/images/I/51UlRPLjrOL.jpg)**NGK Set of 16 Iridium IX Spark Plugs For Chrysler Dodge Jeep Ram 5.7 6.4 V8**Newparts**$164.27**4.7★204 rev](https://www.amazon.com/dp/B09MKDPXFM) [3![SYKRSS Set of 8 Ignition Coil Pack UF504 and Iridium Spark Plugs LZFR5CI-11 16 Pack Compatible with Dodge Challenger Charger Durango Grand Cherokee Ram 1500 2500 3500 Aspen 300 5.7L V8](https://m.media-amazon.com/images/I/512YP+-9XXL.jpg)**SYKRSS Set of 8 Ignition Coil Pack UF504 and Iridium Spark Plugs LZFR5CI-11 16 Pack Compatible with Dodge Challenger Charger Durango Grand Cherokee Ram 1500 2500 3500 Aspen 300 5.7L V8**SYKRSS**$126.49**4.3★331 rev](https://www.amazon.com/dp/B0DDKX6C94) [4![16 pc Champion Copper Plus Spark Plugs compatible with Ram 1500 5.7L V8 2011-2024 HEMI V8 truck](https://m.media-amazon.com/images/I/51uXoaZ6i7S.jpg)**16 pc Champion Copper Plus Spark Plugs compatible with Ram 1500 5.7L V8 2011-2024 HEMI V8 truck**Sixity Auto**$56.65**4.6★384 rev](https://www.amazon.com/dp/B0836FVD4Z) [5![KAX 8Pcs Ignition Coils and 16Pcs Iridium Spark Plugs w/Tool Kit for 5.7 Hemi Dodge Ram 1500 Chrysler 300 Challenger Charger Durango Jeep Commander Grand Cherokee 2009-2020 Replace#UF504](https://m.media-amazon.com/images/I/51ASOuYuoRL.jpg)**KAX 8Pcs Ignition Coils and 16Pcs Iridium Spark Plugs w/Tool Kit for 5.7 Hemi Dodge Ram 1500 Chrysler 300 Challenger Charger Durango Jeep Commander Grand Cherokee 2009-2020 Replace#UF504**KAX**$160.87**4.4★467 rev](https://www.amazon.com/dp/B0F627MMSP)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![UF504 Set of 8 Ignition Coil Pack 16 Iridium Spark Plug Compatible with Chrysler 300 Ram 1500 2500 3500 Jeep Dodge Commander Grand Cherokee Challenger Charger V8 5.7L Replace#5602129AA (Red)](https://m.media-amazon.com/images/I/41Kg0vFxpKL.jpg)**UF504 Set of 8 Ignition Coil Pack 16 Iridium Spark Plug Compatible with Chrysler 300 Ram 1500 2500 3500 Jeep Dodge Commander Grand Cherokee Challenger Charger V8 5.7L Replace#5602129AA (Red)**YONDRIX**$123.06**1 rev3mo ago](https://www.amazon.com/dp/B0GWQNH95G) [![Autoexact Ignition Coil Packs and Iridium Spark Plugs Set Fit for 5.7 V8 HEMI 2008-2024 Ram 1500 2500 3500 Dodge Charger Durango Challenger Jeep Grand Cherokee Chrysler 300 # UF504 92145 Set of 8](https://m.media-amazon.com/images/I/41S5sBeLVrL.jpg)**Autoexact Ignition Coil Packs and Iridium Spark Plugs Set Fit for 5.7 V8 HEMI 2008-2024 Ram 1500 2500 3500 Dodge Charger Durango Challenger Jeep Grand Cherokee Chrysler 300 # UF504 92145 Set of 8**autoexact**$158.94**69 rev7mo ago](https://www.amazon.com/dp/B0FN6ZKPLC) [![UF504 Set of 8 Ignition Coil Pack 16 Iridium Spark Plug Compatible with Dodge Ram Jeep Chrysler - Challenger Charger Durango Ram 1500 2500 3500 Grand Cherokee Aspen 5.7L V8 Replace# C1526 56029129AA](https://m.media-amazon.com/images/I/418DogAGxYL.jpg)**UF504 Set of 8 Ignition Coil Pack 16 Iridium Spark Plug Compatible with Dodge Ram Jeep Chrysler - Challenger Charger Durango Ram 1500 2500 3500 Grand Cherokee Aspen 5.7L V8 Replace# C1526 56029129AA**GDUKOP**$119.35**26 rev1y ago](https://www.amazon.com/dp/B0F9NYKGZ1) [![KAX 8Pcs Ignition Coils and 16Pcs Iridium Spark Plugs w/Tool Kit for 5.7 Hemi Dodge Ram 1500 Chrysler 300 Challenger Charger Durango Jeep Commander Grand Cherokee 2009-2020 Replace#UF504](https://m.media-amazon.com/images/I/51ASOuYuoRL.jpg)**KAX 8Pcs Ignition Coils and 16Pcs Iridium Spark Plugs w/Tool Kit for 5.7 Hemi Dodge Ram 1500 Chrysler 300 Challenger Charger Durango Jeep Commander Grand Cherokee 2009-2020 Replace#UF504**KAX**$160.87**467 rev1y ago](https://www.amazon.com/dp/B0F627MMSP) [![GBTAD Upgraded 8x Ignition Coil Pack and 16x Iridium Spark Plug for 5.7L V8 HEMI Dodge Ram 1500 2500 3500 Charger Durango Chrysler 300 Jeep Grand Cherokee 2006-2015 Replaces UF504](https://m.media-amazon.com/images/I/51OAF4O1seL.jpg)**GBTAD Upgraded 8x Ignition Coil Pack and 16x Iridium Spark Plug for 5.7L V8 HEMI Dodge Ram 1500 2500 3500 Charger Durango Chrysler 300 Jeep Grand Cherokee 2006-2015 Replaces UF504**GBTAD**$165.99**20 rev1y ago](https://www.amazon.com/dp/B0DYNY3C71)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![UF504 Set of 8 Ignition Coil Pack 16 Iridium Spark Plug Compatible with Chrysler 300 Ram 1500 2500 3500 Jeep Dodge Commander Grand Cherokee Challenger Charger V8 5.7L Replace#5602129AA (Red)](https://m.media-amazon.com/images/I/41Kg0vFxpKL.jpg)**UF504 Set of 8 Ignition Coil Pack 16 Iridium Spark Plug Compatible with Chrysler 300 Ram 1500 2500 3500 Jeep Dodge Commander Grand Cherokee Challenger Charger V8 5.7L Replace#5602129AA (Red)**YONDRIX**$123.06**5.0★**▲ 243%**](https://www.amazon.com/dp/B0GWQNH95G) [![Autoexact Ignition Coil Packs and Iridium Spark Plugs Set Fit for 5.7 V8 HEMI 2008-2024 Ram 1500 2500 3500 Dodge Charger Durango Challenger Jeep Grand Cherokee Chrysler 300 # UF504 92145 Set of 8](https://m.media-amazon.com/images/I/41S5sBeLVrL.jpg)**Autoexact Ignition Coil Packs and Iridium Spark Plugs Set Fit for 5.7 V8 HEMI 2008-2024 Ram 1500 2500 3500 Dodge Charger Durango Challenger Jeep Grand Cherokee Chrysler 300 # UF504 92145 Set of 8**autoexact**$158.94**4.5★**▲ 127%**](https://www.amazon.com/dp/B0FN6ZKPLC) [![SYKRSS Set of 8 Ignition Coil Pack UF504 and Iridium Spark Plugs LZFR5CI-11 16 Pack Compatible with Dodge Challenger Charger Durango Grand Cherokee Ram 1500 2500 3500 Aspen 300 5.7L V8](https://m.media-amazon.com/images/I/512YP+-9XXL.jpg)**SYKRSS Set of 8 Ignition Coil Pack UF504 and Iridium Spark Plugs LZFR5CI-11 16 Pack Compatible with Dodge Challenger Charger Durango Grand Cherokee Ram 1500 2500 3500 Aspen 300 5.7L V8**SYKRSS**$126.49**4.3★**▲ 76%**](https://www.amazon.com/dp/B0DDKX6C94) [![KAX 8Pcs Ignition Coils and 16Pcs Iridium Spark Plugs w/Tool Kit for 5.7 Hemi Dodge Ram 1500 Chrysler 300 Challenger Charger Durango Jeep Commander Grand Cherokee 2009-2020 Replace#UF504](https://m.media-amazon.com/images/I/51ASOuYuoRL.jpg)**KAX 8Pcs Ignition Coils and 16Pcs Iridium Spark Plugs w/Tool Kit for 5.7 Hemi Dodge Ram 1500 Chrysler 300 Challenger Charger Durango Jeep Commander Grand Cherokee 2009-2020 Replace#UF504**KAX**$160.87**4.4★**▲ 65%**](https://www.amazon.com/dp/B0F627MMSP) [![BDFHYK 4024123628 Iridium Spark Plugs Compatible with Ram 1500 2011-2021 Big Horn Crew Cab Pickup 4-Door 5.7L V8 GAS OHV Naturally Aspirated Set of 16](https://m.media-amazon.com/images/I/51u5MBympeL.jpg)**BDFHYK 4024123628 Iridium Spark Plugs Compatible with Ram 1500 2011-2021 Big Horn Crew Cab Pickup 4-Door 5.7L V8 GAS OHV Naturally Aspirated Set of 16**BDFHYK**$46.53**4.4★**▲ 61%**](https://www.amazon.com/dp/B0D9NGK3YS)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 17 weeks — -0.9% search growth over the last 90 days.

1K750Mar '26Mar '26Apr '26Apr '26May '26May '26Jun '26Jun '26Jul '26

## **Reviews**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**23%

*“Very nice, good quality tool”*

**Value For Money**15%

*“Worth it”*

**Socket/Port/Plug**14%

*“Good socket”*

**Size-Overall**9%

*“Good fit”*

**Advertised Vs Actual Product**7%

*“Worked as advertised”*

**Magnetic Strength/Adsorption**5%

*“Good magnetic hold”*

**Ease Of Use**5%

*“Its very convenient”*

**Efficiency**5%

*“performance is good”*

**Strength**2%

*“Excellent performance”*

**Assembly/Installation**2%

*“Easy to install”*

### **What buyers complain about **

**Durability**17%

*“Broke after a few uses”*

**Socket/Port/Plug**16%

*“The other ones connector receiver was bent over”*

**Magnetic Strength/Adsorption**15%

*“The magnet broke into pieces”*

**Quality-Overall**13%

*“not very happy with the quality of these cheap spark plugs”*

**Size-Overall**8%

*“Did not fit the spark plug on my yard machine lawnmower”*

**Value For Money**5%

*“Lowest quote for plugs and wires was $1,100”*

**Jamming/Clogging**4%

*“it would get stuck on spark plugs”*

**Flammable**4%

*“Caused misfires and issues”*

**Ease Of Use**4%

*“A few on drivers side are very difficult”*

**Metal Quality**4%

*“Its ok. It worked ok until the metal came off from the socket the piece the helps holds the spark plug to come out”*

### **Top return reasons **

**Size-Overall**41%

**Compatibility-Overall**12%

**Defective Material/Parts**9%

**Socket/Port/Plug**7%

**Value For Money**7%

**Functionality-Overall**4%

**Product Condition**4%

**Advertised Vs Actual Product**3%

**Magnetic Strength/Adsorption**3%

**Flammable**2%