---
title: "ls header bolts — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/ls-header-bolts"
last_updated: "2026-07-15T07:55:36.232Z"
locale: en
meta:
  description: "ls header bolts shows searches that convert (15.9% search→purchase), but a small market ($67K/yr) keeps it on the watch list."
  "og:description": "ls header bolts shows searches that convert (15.9% search→purchase), but a small market ($67K/yr) keeps it on the watch list."
  "og:title": "ls header bolts — Niche Verdict: Worth a look (52/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **ls header bolts**

**Worth a look**

Shows searches that convert (15.9% search→purchase), but a small market ($67K/yr) keeps it on the watch list.

Market size 17Growth 18Conversion 97Competition 46Returns 82Price range 82Avg price 86Brand share 66Review moat 93Quality gap 19

**Conversion**

**Incredible****15.9%**

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

**Review moat**

**Great****136.29**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Great****$19.28**

avg listing price — sweet spot $15–$100

**Returns**

**Great****1.7%**

return rate — above 6% kills the launch gate

**Price range**

**Great****$8.08–$51.09**

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

**Brand share**

**Good****66%**

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

**Competition**

**Okay****57%**

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

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Growth**

**Bad****-14.1%**

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

**Market size**

**Bad****$67K**

$67K/yr · 22K searches

## **Competition**

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

**Brands**

**18 **—flat

**Sellers**

**85**

**Top-5 brand share**

**66%**

**Open market**

**28%**

- ARP21% - CHENACC20% - DOUQANG8% - BEONEO8% - YCQDDA7% - 269 Motorsports7%

## **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%$3K10%$7K15%$10K20%$13K1101001K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 21 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![ARP 134-1202 Chromoly Header Bolt Kits Chevrolet Gen III/LS Series 3/8 wide](https://m.media-amazon.com/images/I/513xEvHYFdL.jpg)**ARP 134-1202 Chromoly Header Bolt Kits Chevrolet Gen III/LS Series 3/8 wide**ARP**$38.28**4.9★529 rev](https://www.amazon.com/dp/B00E5YSJ5U) [2![CHENACC 12PCS 5.3/6.0 Ls Header Bolt Ls Exhaust Manifold Bolts Manifold Header Bolts 551696 for GM LS1 LS3 LS2 LSX LT Series Engine Grade 10.9 LS Head Bolts Replaces ICT Billet](https://m.media-amazon.com/images/I/41iR0y3pykL.jpg)**CHENACC 12PCS 5.3/6.0 Ls Header Bolt Ls Exhaust Manifold Bolts Manifold Header Bolts 551696 for GM LS1 LS3 LS2 LSX LT Series Engine Grade 10.9 LS Head Bolts Replaces ICT Billet**CHENACC**$12.63**4.5★61 rev](https://www.amazon.com/dp/B0D62F21MW) [3![DOUQANG Exhaust Manifold Header Bolts Hardware Kit For LS1 HEADER BOLTS LSX LS2 LS3 LS6 LS7 GM Vortec 4.8L 5.3L 6.0L 6.2L 03413B 11518860 11609481](https://m.media-amazon.com/images/I/51mm5j6GcoL.jpg)**DOUQANG Exhaust Manifold Header Bolts Hardware Kit For LS1 HEADER BOLTS LSX LS2 LS3 LS6 LS7 GM Vortec 4.8L 5.3L 6.0L 6.2L 03413B 11518860 11609481**DOUQANG**$9.52**4.5★80 rev](https://www.amazon.com/dp/B0C2YHR379) [4![551696 Exhaust Manifold Bolts Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines 12 PCS for GM 12617944 Exhaust Manifold Gasket](https://m.media-amazon.com/images/I/41xJNLN8snL.jpg)**551696 Exhaust Manifold Bolts Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines 12 PCS for GM 12617944 Exhaust Manifold Gasket**BEONEO**$9.32**4.6★56 rev](https://www.amazon.com/dp/B0DHZM54RS) [5![(12 PCS) 551696 Exhaust Manifold Header Bolt Kit for LS Series Engines LS1 LS2 LS3 LSX LT Grade 10.9 Steel LS Header Bolts Replacement Set (Dacromet Coated)](https://m.media-amazon.com/images/I/519+TXYWQVL.jpg)**(12 PCS) 551696 Exhaust Manifold Header Bolt Kit for LS Series Engines LS1 LS2 LS3 LSX LT Grade 10.9 Steel LS Header Bolts Replacement Set (Dacromet Coated)**YCQDDA**$10.09**4.7★29 rev](https://www.amazon.com/dp/B0F1KQNCJ2)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![551696 Exhaust Manifold Bolts 12 Pcs Compatible with GM LS LT Series Engine LS1 LS3 LS2 LSX Manifold Header Bolts](https://m.media-amazon.com/images/I/41sdXbWfbaL.jpg)**551696 Exhaust Manifold Bolts 12 Pcs Compatible with GM LS LT Series Engine LS1 LS3 LS2 LSX Manifold Header Bolts**Bularido**$9.22**3 rev8mo ago](https://www.amazon.com/dp/B0F37MVJMF) [![SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7](https://m.media-amazon.com/images/I/41Vt3pS8mqL.jpg)**SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7**SWQS**$13.97**16 rev8mo ago](https://www.amazon.com/dp/B0G1BQHV19) [![12PCS 551696 Exhaust Manifold Bolts Kit Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines Black Coated High Strength Replacement Bolt Set for LS Swaps and Rebuilds](https://m.media-amazon.com/images/I/41dqzT-p0WL.jpg)**12PCS 551696 Exhaust Manifold Bolts Kit Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines Black Coated High Strength Replacement Bolt Set for LS Swaps and Rebuilds**CZMZHFC**$8.34**9 rev9mo ago](https://www.amazon.com/dp/B0FT3F4WNC) [![551696 Exhaust Manifold Bolts Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines 12 PCS for GM 12617944 Exhaust Manifold Gasket](https://m.media-amazon.com/images/I/41xJNLN8snL.jpg)**551696 Exhaust Manifold Bolts Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines 12 PCS for GM 12617944 Exhaust Manifold Gasket**BEONEO**$9.32**56 rev1y ago](https://www.amazon.com/dp/B0DHZM54RS) [![(12 PCS) 551696 Exhaust Manifold Header Bolt Kit for LS Series Engines LS1 LS2 LS3 LSX LT Grade 10.9 Steel LS Header Bolts Replacement Set (Dacromet Coated)](https://m.media-amazon.com/images/I/519+TXYWQVL.jpg)**(12 PCS) 551696 Exhaust Manifold Header Bolt Kit for LS Series Engines LS1 LS2 LS3 LSX LT Grade 10.9 Steel LS Header Bolts Replacement Set (Dacromet Coated)**YCQDDA**$10.09**29 rev1y ago](https://www.amazon.com/dp/B0F1KQNCJ2)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![ARP (434-1202) Chevy SBC/GenIII LS 3/8in Flange SS 12pt Header Bolt Kit](https://m.media-amazon.com/images/I/51kjSko+G6L.jpg)**ARP (434-1202) Chevy SBC/GenIII LS 3/8in Flange SS 12pt Header Bolt Kit**ARP**$51.09**4.6★**▲ 126%**](https://www.amazon.com/dp/B00E5YTQZC) [![12PCS 551696 Exhaust Manifold Bolts Kit Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines Black Coated High Strength Replacement Bolt Set for LS Swaps and Rebuilds](https://m.media-amazon.com/images/I/41dqzT-p0WL.jpg)**12PCS 551696 Exhaust Manifold Bolts Kit Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines Black Coated High Strength Replacement Bolt Set for LS Swaps and Rebuilds**CZMZHFC**$8.34**5.0★**▲ 122%**](https://www.amazon.com/dp/B0FT3F4WNC) [![SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7](https://m.media-amazon.com/images/I/41Vt3pS8mqL.jpg)**SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7**SWQS**$13.97**4.4★**▲ 87%**](https://www.amazon.com/dp/B0G1BQHV19) [![FEL-PRO ES 75120 Exhaust Manifold Hardware Kit for Chevrolet Silverado 1500](https://m.media-amazon.com/images/I/41OKR2bChrL.jpg)**FEL-PRO ES 75120 Exhaust Manifold Hardware Kit for Chevrolet Silverado 1500**Fel-Pro**$23.80**4.6★**▲ 69%**](https://www.amazon.com/dp/B07FF7TGM5) [![12PCS M8x1.25 Exhaust Manifold Bolts OEM#551696 Grade 10.9 LS Header Bolts Compatible with GM LS LT Series Pontiac Chevrolet LS Exhaust Manifold Bolts Replacement Car Accessories](https://m.media-amazon.com/images/I/41r6Oo-2ztL.jpg)**12PCS M8x1.25 Exhaust Manifold Bolts OEM#551696 Grade 10.9 LS Header Bolts Compatible with GM LS LT Series Pontiac Chevrolet LS Exhaust Manifold Bolts Replacement Car Accessories**Salior**$8.08**4.7★**▲ 67%**](https://www.amazon.com/dp/B0DT3XY3VY)

**~~View all trending →~~**

## **Demand**

Weekly Amazon search volume, last 8 weeks — -14.1% search growth over the last 90 days.

450350May '26May '26May '26Jun '26Jun '26Jun '26Jun '26Jul '26

## **Reviews**

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

### **What buyers love **

**Size-Overall**32%

*“Good fit”*

**Quality-Overall**17%

*“Great ARP quality”*

**Advertised Vs Actual Product**13%

*“worked as expected”*

**Efficiency**11%

*“Worked great”*

**Rusts/Corrodes**5%

*“Hopefully the blue coating will prevent rust”*

**Value For Money**5%

*“Decent for the money”*

**Compatibility-Overall**4%

*“Worked perfect on my ls”*

**Assembly/Installation**3%

*“Easy to install”*

**Mounting**2%

*“Good Hardware”*

**Locally Manufactured**2%

*“made in the USA”*

### **What buyers complain about **

**Compatibility-Overall**33%

*“DO NOT FIT ON LS1”*

**Size-Overall**25%

*“slightly smaller cap than OEM 2015 Tahoe manifold bolts”*

**Functionality-Overall**8%

*“Didn't work good for me”*

**Quality-Overall**8%

*“Low grade quality”*

**Leak-Proof**8%

*“I install them on my 2000 Camaro It ain't do a good job it's leaking noise tap so I got to order something else”*

**Strength**8%

*“The gaskets are very flimsy”*

### **Top return reasons **

**Size-Overall**54%

**Compatibility-Overall**13%

**Advertised Vs Actual Product**5%

**Mounting**4%

**Value For Money**4%

**Defective Material/Parts**4%

**Quality-Overall**4%

**Functionality-Overall**3%

**Maintenance And Repair**2%

**Motor Issues**2%