---
title: "tune up kit — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/tune-up-kit"
last_updated: "2026-07-14T00:08:05.907Z"
locale: en
meta:
  description: "tune up kit shows a fragmented shelf (top 5 take 16% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:description": "tune up kit shows a fragmented shelf (top 5 take 16% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list."
  "og:title": "tune up kit — Niche Verdict: Worth a look (56/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **tune up kit**

**Worth a look**

Shows a fragmented shelf (top 5 take 16% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 51Growth 20Conversion 16Competition 96Returns 49Price range 25Avg price 73Brand share 86Review moat 88Quality gap 63

**Competition**

**Incredible****16%**

top-5 click share — an open shelf

**Review moat**

**Great****244.5**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Great****49%**

top-5 brand share — no brand owns this niche

**Avg price**

**Good****$104.75**

avg listing price — sweet spot $15–$100

**Quality gap**

**Good****4.4★**

avg incumbent rating — lower means beatable quality

**Market size**

**Good****$288K**

$288K/yr · 213K searches

**Returns**

**Okay****3.1%**

return rate — above 6% kills the launch gate

**Price range**

**Okay****$8.96–$348.26**

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

**Growth**

**Bad****-9.2%**

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

**Conversion**

**Bad****1.3%**

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

## **Competition**

Clicks spread well past the top 5 (16% combined) — an open shelf where new products get seen.

**Brands**

**48 **▼falling

**Sellers**

**142**

**Top-5 brand share**

**49%**

**Open market**

**46%**

- A-Premium15% - AIP Electronics11% - TRQ9% - ENA8% - SPARKWHIZ7% - X4XZ5%

## **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%2%$6K4%$12K6%$17K8%$23K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)1 product missing review or click data not plotted

All 171 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![ENA 8 Pack UF413 Ignition Coil 41962 Spark Plug and 48322R Wires Set for 5.3 6.0 6.2 Compatible with Buick Cadillac Chevrolet GMC Hummer Escalade Express Savana 2500 5.3L 6.2L 6.0L 4.8L for 12570616](https://m.media-amazon.com/images/I/51YwLb8y+4L.jpg)**ENA 8 Pack UF413 Ignition Coil 41962 Spark Plug and 48322R Wires Set for 5.3 6.0 6.2 Compatible with Buick Cadillac Chevrolet GMC Hummer Escalade Express Savana 2500 5.3L 6.2L 6.0L 4.8L for 12570616**ENA**$156.11**4.3★267 rev](https://www.amazon.com/dp/B0BQZ8KZH9) [2![SPARKWHIZ Set of 8 Square UF413 Ignition Coils Pack & Platinum Spark Plugs & Wires Set Replacement for UF413 D510C 5C1554 Compatible with Chevy Silverado 1500 GMC Pontiac G8 Grand Prix H3 Tahoe Yukon](https://m.media-amazon.com/images/I/51KHWJ6j8wL.jpg)**SPARKWHIZ Set of 8 Square UF413 Ignition Coils Pack & Platinum Spark Plugs & Wires Set Replacement for UF413 D510C 5C1554 Compatible with Chevy Silverado 1500 GMC Pontiac G8 Grand Prix H3 Tahoe Yukon**SPARKWHIZ**$140.35**4.2★90 rev](https://www.amazon.com/dp/B0C9GK1FGX) [3![UF262 Ignition Coils Pack & Double Iridium Spark Plugs & 10.2MM Spark Plug Wires for Chevy Avalanche Express Tahoe Silverado Suburban 1500 2500 3500/GMC Savana Sierra Yukon/Hummer H2 OEM# D585](https://m.media-amazon.com/images/I/51MuqSQHHeL.jpg)**UF262 Ignition Coils Pack & Double Iridium Spark Plugs & 10.2MM Spark Plug Wires for Chevy Avalanche Express Tahoe Silverado Suburban 1500 2500 3500/GMC Savana Sierra Yukon/Hummer H2 OEM# D585**X4XZ**$113.37**4.1★56 rev](https://www.amazon.com/dp/B0D82YXFZ5) [4![Set of 8 UF413 Square Ignition Coils with 8mm 748UU Spark Plug Wires Compatible with Chevy Silverado 1500 GMC Pontiac G8 Grand Prix H3 Tahoe Yukon Replacement for UF413 D510C 5C1554](https://m.media-amazon.com/images/I/51itHG+PyIL.jpg)**Set of 8 UF413 Square Ignition Coils with 8mm 748UU Spark Plug Wires Compatible with Chevy Silverado 1500 GMC Pontiac G8 Grand Prix H3 Tahoe Yukon Replacement for UF413 D510C 5C1554**SPARKWHIZ**$122.78**4.4★193 rev](https://www.amazon.com/dp/B0BHX4VQ8M) [5![AIP Electronics Dragon Fire Performance Ignition Tune Up Kit Spark Plug Wire Set & Iridium Spark Plugs For 1999-2017 Chevrolet GM Chevy LS LSX LS1 LS2 LS3 LS6 LS7 OEM Fit Kit](https://m.media-amazon.com/images/I/418LqUjoJUL.jpg)**AIP Electronics Dragon Fire Performance Ignition Tune Up Kit Spark Plug Wire Set & Iridium Spark Plugs For 1999-2017 Chevrolet GM Chevy LS LSX LS1 LS2 LS3 LS6 LS7 OEM Fit Kit**AIP Electronics**$109.07**4.4★184 rev](https://www.amazon.com/dp/B08D388BPB)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Autoexact 6 Ignition Coils + 6 Iridium Spark Plugs Kit Fit for Ford 2007-2011 Edge 2008-2012 Taurus Flex Fusion Lincoln MKZ MKX MKS Mazda CX-9 3.5L 3.7L V6 Vehicles Direct Replacement for UF595 5019](https://m.media-amazon.com/images/I/41Vl3O7J1RL.jpg)**Autoexact 6 Ignition Coils + 6 Iridium Spark Plugs Kit Fit for Ford 2007-2011 Edge 2008-2012 Taurus Flex Fusion Lincoln MKZ MKX MKS Mazda CX-9 3.5L 3.7L V6 Vehicles Direct Replacement for UF595 5019**autoexact**$84.34**12 rev1mo ago](https://www.amazon.com/dp/B0G5Z5DN7R) [![Genuine OEM Ignition Kit Distributor Rotor Cap Wire Spark Plugs for Chevy GMC V8 BCVC-14855-DCRWSP-8-3055654](https://m.media-amazon.com/images/I/51M-krwTNrL.jpg)**Genuine OEM Ignition Kit Distributor Rotor Cap Wire Spark Plugs for Chevy GMC V8 BCVC-14855-DCRWSP-8-3055654**Newparts**$115.04**5 rev3mo ago](https://www.amazon.com/dp/B0DJ91P9VX) [![8 Pack UF271 Square Ignition Coil Set with Iridium Spark Plugs and 8mm Wires for Chevy Silverado GMC Sierra Tahoe Yukon 1500 2500 3500 4.8L 5.3L 6.0L LS Tune Up Kit 12558693 12556893 3859078 Red](https://m.media-amazon.com/images/I/51VNXk3cH6L.jpg)**8 Pack UF271 Square Ignition Coil Set with Iridium Spark Plugs and 8mm Wires for Chevy Silverado GMC Sierra Tahoe Yukon 1500 2500 3500 4.8L 5.3L 6.0L LS Tune Up Kit 12558693 12556893 3859078 Red**lronSafex**$115.11**1 rev3mo ago](https://www.amazon.com/dp/B0GTQ4GK1R) [![HOTUCAX UF677 Ignition Coil Pack and Spark Plugs Tune Up Kit (8 Coils + 8 Plugs) Compatible with Infiniti QX80 QX56 Nissan Armada 2011-2020 V8 5.6L Replace 22448-1LA0A](https://m.media-amazon.com/images/I/51wcwjMrOBL.jpg)**HOTUCAX UF677 Ignition Coil Pack and Spark Plugs Tune Up Kit (8 Coils + 8 Plugs) Compatible with Infiniti QX80 QX56 Nissan Armada 2011-2020 V8 5.6L Replace 22448-1LA0A**HOTUCAX**$111.84**0 rev4mo ago](https://www.amazon.com/dp/B0GSFDB3PG) [![Autoexact Ignition Coil Pack and Iridium Spark Plugs Kit Fit for Jeep 2016-2022 Grand Cherokee Wrangler Gladiator Chrysler Pacifica Dodge Durango Ram 1500 3.6L V6 Replacement for UF807 97390 6 Sets](https://m.media-amazon.com/images/I/41ZAaiQ5FNL.jpg)**Autoexact Ignition Coil Pack and Iridium Spark Plugs Kit Fit for Jeep 2016-2022 Grand Cherokee Wrangler Gladiator Chrysler Pacifica Dodge Durango Ram 1500 3.6L V6 Replacement for UF807 97390 6 Sets**autoexact**$85.78**69 rev5mo ago](https://www.amazon.com/dp/B0G5YPZ43R)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![HOTUCAX UF677 Ignition Coil Pack and Spark Plugs Tune Up Kit (8 Coils + 8 Plugs) Compatible with Infiniti QX80 QX56 Nissan Armada 2011-2020 V8 5.6L Replace 22448-1LA0A](https://m.media-amazon.com/images/I/51wcwjMrOBL.jpg)**HOTUCAX UF677 Ignition Coil Pack and Spark Plugs Tune Up Kit (8 Coils + 8 Plugs) Compatible with Infiniti QX80 QX56 Nissan Armada 2011-2020 V8 5.6L Replace 22448-1LA0A**HOTUCAX**$111.84**0.0★**▲ 250%**](https://www.amazon.com/dp/B0GSFDB3PG) [![Ignition Coil Pack and Iridium Spark Plugs for 1.4L Turbo Compatible with Buick Encore 2013-2021 & Chevy Trax Cruze Sonic 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Replace OE UF669 2667](https://m.media-amazon.com/images/I/418T5yQtWnL.jpg)**Ignition Coil Pack and Iridium Spark Plugs for 1.4L Turbo Compatible with Buick Encore 2013-2021 & Chevy Trax Cruze Sonic 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 Replace OE UF669 2667**Motorevo**$58.97**3.8★**▲ 243%**](https://www.amazon.com/dp/B0F7XMYCFF) [![Motorevo Ignition Coil Pack and Iridium Spark Plugs Set of 4 Compatible with Toyota Yaris 2007-2018/Prius 2001-2009/Echo 2000-2005 & Scion xA xB 2004-2006 1.5L L4 Replace OE# UF316+7090](https://m.media-amazon.com/images/I/41vjtpsn2VL.jpg)**Motorevo Ignition Coil Pack and Iridium Spark Plugs Set of 4 Compatible with Toyota Yaris 2007-2018/Prius 2001-2009/Echo 2000-2005 & Scion xA xB 2004-2006 1.5L L4 Replace OE# UF316+7090**Motorevo**$49.88**4.4★**▲ 243%**](https://www.amazon.com/dp/B0F7XQ2L52) [![Pindex 8 Pack DG508+SP479 Ignition Coils and Spark Plugs Coil Pack Kits Compatible with Ford 98-03 F150 99-04 F250 F350 03-05 E150 E250 E350 98-99 Lincoln 5.4L V8 FD503 DG508](https://m.media-amazon.com/images/I/4132MF0VplL.jpg)**Pindex 8 Pack DG508+SP479 Ignition Coils and Spark Plugs Coil Pack Kits Compatible with Ford 98-03 F150 99-04 F250 F350 03-05 E150 E250 E350 98-99 Lincoln 5.4L V8 FD503 DG508**Pindex**$53.09**4.3★**▲ 243%**](https://www.amazon.com/dp/B0F2H68VPW) [![Autoexact Ignition Coil Packs & Iridium Spark Plugs Kit Fit for Chevy 2010-2017 Equinox Malibu Cobalt HHR Captiva/GMC Terrain/Buick Verano LaCrosse/Pontiac G6/Saturn 2.0L 2.2L 2.4L L4 # UF491 4 Sets](https://m.media-amazon.com/images/I/41dAoBDqFeL.jpg)**Autoexact Ignition Coil Packs & Iridium Spark Plugs Kit Fit for Chevy 2010-2017 Equinox Malibu Cobalt HHR Captiva/GMC Terrain/Buick Verano LaCrosse/Pontiac G6/Saturn 2.0L 2.2L 2.4L L4 # UF491 4 Sets**autoexact**$62.67**4.5★**▲ 239%**](https://www.amazon.com/dp/B0FN4GPFNK)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -9.2% search growth over the last 90 days.

7K5KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Mar · busiest ÷ quietest = 1.5×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**21%

*“Good quality parts”*

**Size-Overall**21%

*“Fit as it should”*

**Value For Money**18%

*“Best value”*

**Advertised Vs Actual Product**8%

*“As advertised”*

**Assembly/Installation**8%

*“No problems since installing”*

**Efficiency**6%

*“So far there have been no problems”*

**Socket/Port/Plug**2%

*“Spark plugs work”*

**Ease Of Use**2%

*“Makes it easy”*

**Maintenance And Repair**2%

*“Makes routine maintenance straightforward”*

**Durability**1%

*“Runnning perfect”*

### **What buyers complain about **

**Quality-Overall**18%

*“Low quality”*

**Size-Overall**14%

*“Didn't fit”*

**Durability**13%

*“Didnt last”*

**Socket/Port/Plug**7%

*“These plugs arent any good at all”*

**Value For Money**6%

*“get it all a little cheaper”*

**Compatibility-Overall**5%

*“Doesn't work for my vehicle as it stated they would”*

**Functionality-Overall**4%

*“Had two coils that were not firing consistently”*

**Defective Material/Parts**4%

*“Other kits had some wrong parts”*

**Filtration**3%

*“I did mistakenly order the kit with the small air filter”*

**Advertised Vs Actual Product**3%

*“It stated that it was a match during ordering”*

### **Top return reasons **

**Size-Overall**35%

**Compatibility-Overall**19%

**Defective Material/Parts**13%

**Functionality-Overall**5%

**Advertised Vs Actual Product**5%

**Product Condition**4%

**Socket/Port/Plug**3%

**Value For Money**3%

**Quality-Overall**2%

**Assembly/Installation**2%