---
title: "ls steam vent kit — Niche Verdict: Skip it (52/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/ls-steam-vent-kit"
last_updated: "2026-07-10T02:31:25.234Z"
locale: en
meta:
  description: "a small market ($147K/yr) — ls steam vent kit doesn't clear our bar today."
  "og:description": "a small market ($147K/yr) — ls steam vent kit doesn't clear our bar today."
  "og:title": "ls steam vent kit — Niche Verdict: Skip it (52/100) | Amazon United States - Flapen"
---

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# **ls steam vent kit**

**Skip it****52/100 **

a small market ($147K/yr) — ls steam vent kit doesn't clear our bar today.

**Market/yr**

**$147K**

**Growth (1y)**

**+268.7%**

**Products**

**22**

**Brands**

**16**

was 22 a year ago

**Sellers**

**20**

**Price range**

**$13.44–$183.77**

**Returns**

**3.2%**

**Rating**

**4.1★**

**Skip it**

Scored 52/100 across market size, growth, competition, quality gap, and returns.

Market sizeGrowthCompetitionQuality gapReturns

Market size

**7**

 ×0.30

Growth

**83**

 ×0.30

Competition

**50**

 ×0.20

Quality gap

**76**

 ×0.10

Returns

**74**

 ×0.10

## **Demand**

Weekly Amazon search volume, last 104 weeks — +268.7% year over year.

2K877.5Holiday '24Spike '25Spike '26Jul '24Nov '24Mar '25Jul '25Nov '25Mar '26

## **Seasonality**

Monthly demand index across the year — 1.00 is average.

JFMAMJJASOND

No pronounced peak months · busiest ÷ quietest = 1.5×

## **Competition**

- WnSEu20% - EVIL ENERGY17% - PQY15% - Nakkaa9% - Gxencks9% - Yokolos8% - Other (10 brands)21%

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them. 16 brands and 20 sellers compete here.

**Brands**

**16 **▼falling

was 22 a year ago

**Sellers**

**20**

**Top 5 brand share**

**71%**

#ProductBrandPriceRatingReviewsClick shareTrend

1
![EVIL ENERGY LS Stainless Steel Coolant Crossover Steam Vent Kit Black Complete LS Steam Port Kit with Leak-Proof Seals Fits 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LSX Engines](https://m.media-amazon.com/images/I/31ap4XMNUsL.jpg) [**EVIL ENERGY LS Stainless Steel Coolant Crossover Steam Vent Kit Black Complete LS Steam Port Kit with Leak-Proof Seals Fits 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LSX Engines**](https://www.amazon.com/dp/B0F84Y1YSM)

EVIL ENERGY$100.944.2★4116%▲rising

2
![PQY LS Coolant Crossover Steam Vent Kit 4 Port Complete LS Steam Port Kit for 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LS9 LSX Silver](https://m.media-amazon.com/images/I/31MUUhnunoL.jpg) [**PQY LS Coolant Crossover Steam Vent Kit 4 Port Complete LS Steam Port Kit for 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LS9 LSX Silver**](https://www.amazon.com/dp/B0BVVJ4VX2)

PQY$34.043.2★13513%▲rising

3
![Nakkaa Steam Vent Hose Kit -4 AN Complete Coolant Crossover Compatible with LSX LS1 LS2 LS6 LM7 Engine Steam Hoses](https://m.media-amazon.com/images/I/41oGpZJ9qcL.jpg) [**Nakkaa Steam Vent Hose Kit -4 AN Complete Coolant Crossover Compatible with LSX LS1 LS2 LS6 LM7 Engine Steam Hoses**](https://www.amazon.com/dp/B0C16DK18X)

Nakkaa$36.673.8★349%—flat

4
![MSCRP AN4 Fuel Brake Line LS Coolant Crossover Steam Vent Kit LS Stainless Coolant Crossover Steam Vent Kit Compatible with for LS1 LS2 LS3 LS6 LS7 LS9 LSX](https://m.media-amazon.com/images/I/31kx-nJqKNL.jpg) [**MSCRP AN4 Fuel Brake Line LS Coolant Crossover Steam Vent Kit LS Stainless Coolant Crossover Steam Vent Kit Compatible with for LS1 LS2 LS3 LS6 LS7 LS9 LSX**](https://www.amazon.com/dp/B0CJ94XNF1)

WnSEu$34.273.7★2269%▲rising

5
![Gxencks Black Pro Suit LS Coolant/Steam Port For All GM LS series engines LS Throttle Body Bypass Hose kit](https://m.media-amazon.com/images/I/31gtgf5LFFL.jpg) [**Gxencks Black Pro Suit LS Coolant/Steam Port For All GM LS series engines LS Throttle Body Bypass Hose kit**](https://www.amazon.com/dp/B0DGXLMX7T)

Gxencks$27.034.2★779%▼falling

6
![LS Throttle Body Bypass Hose kit LS Coolant/Steam Port Crossover Hose Kits](https://m.media-amazon.com/images/I/31G7eeANq0S.jpg) [**LS Throttle Body Bypass Hose kit LS Coolant/Steam Port Crossover Hose Kits**](https://www.amazon.com/dp/B0968DRKXN)

Yokolos$20.664.1★1128%▼falling

7
![ICT Billet LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit DBC DBW Throttle Body Stainless Steel Braided Hose Kit](https://m.media-amazon.com/images/I/41lrxwLzLbL.jpg) [**ICT Billet LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit DBC DBW Throttle Body Stainless Steel Braided Hose Kit**](https://www.amazon.com/dp/B0B3235PFF)

ICT Billet$183.774.2★515%▼falling

8
![LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit Compatible with all GM LS series engines](https://m.media-amazon.com/images/I/41xdgcyCqeL.jpg) [**LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit Compatible with all GM LS series engines**](https://www.amazon.com/dp/B0CKLDPV6K)

WnSEu$67.772.8★174%▼falling

9
![MSCRP LS Throttle Body Bypass Hose kit LS Coolant/Steam Port Crossover Hose Kits](https://m.media-amazon.com/images/I/41T57fVMbIS.jpg) [**MSCRP LS Throttle Body Bypass Hose kit LS Coolant/Steam Port Crossover Hose Kits**](https://www.amazon.com/dp/B094NNWSZG)

WnSEu$23.664.5★3953%▼falling

10

![MSCRP LS Cylinder Head Coolant Steam Port Crossover Body Bypass Hose Kit Compatible with All GM LS Series LS1 LSX LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 Engines](https://m.media-amazon.com/images/I/41NhxF5TTaL.jpg) [**MSCRP LS Cylinder Head Coolant Steam Port Crossover Body Bypass Hose Kit Compatible with All GM LS Series LS1 LSX LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 Engines**](https://www.amazon.com/dp/B099PBXPD5)

WnSEu$20.444.6★763%▲rising

11

![Stainless Steel Coolant Crossover LS Steam Vent Kit for LS1 LS2 LS3 LS6 LS7 LSX Engines Compatible with Holley Hi Ram/Sniper Edelbrock Pro-Flo XT/Victor Jr Gen 3 Truck Intakes](https://m.media-amazon.com/images/I/41-DUZH0ZbL.jpg) [**Stainless Steel Coolant Crossover LS Steam Vent Kit for LS1 LS2 LS3 LS6 LS7 LSX Engines Compatible with Holley Hi Ram/Sniper Edelbrock Pro-Flo XT/Victor Jr Gen 3 Truck Intakes**](https://www.amazon.com/dp/B0F8HBY8TD)

broyear$36.694.6★83%▲rising

12

![PTNHZ Steam Vent Hose Kit 4 AN Aluminum Complete Coolant Crossover Transmission Fluid Cooler Hose Line Stainless Steel Silica Gel Nylon woven fabric For LSX LS1 LS2 LS6 LM7 (Black)](https://m.media-amazon.com/images/I/41rlvcow3gL.jpg) [**PTNHZ Steam Vent Hose Kit 4 AN Aluminum Complete Coolant Crossover Transmission Fluid Cooler Hose Line Stainless Steel Silica Gel Nylon woven fabric For LSX LS1 LS2 LS6 LM7 (Black)**](https://www.amazon.com/dp/B0BN87Q37X)

PTNHZ$39.753.8★253%▼falling

13

![HIRABBIT LS Stainless Coolant Crossover Steam Vent Kit Compatible with 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LS9 LSX AN4 Fuel Brake Line(Silve)](https://m.media-amazon.com/images/I/31mf-uDQ-LL.jpg) [**HIRABBIT LS Stainless Coolant Crossover Steam Vent Kit Compatible with 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LS9 LSX AN4 Fuel Brake Line(Silve)**](https://www.amazon.com/dp/B0F5MKQD53)

HIRABBIT$31.893.2★183%▼falling

14

![PQY LS Throttle Body Bypass Hose kit LS Coolant Steam Port Crossover Hose Kits with Tape](https://m.media-amazon.com/images/I/41TTmQF3IKL.jpg) [**PQY LS Throttle Body Bypass Hose kit LS Coolant Steam Port Crossover Hose Kits with Tape**](https://www.amazon.com/dp/B09CPXY336)

PQY$22.884.5★692%▲rising

15

![Pilida 551693 LS Engine DBC DBW Gen 3 Gen 4 Throttle Body Bypass Cylinder Head Coolant Steam Port Plate Set LSX LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 LM7](https://m.media-amazon.com/images/I/41L9LoUWhcL.jpg) [**Pilida 551693 LS Engine DBC DBW Gen 3 Gen 4 Throttle Body Bypass Cylinder Head Coolant Steam Port Plate Set LSX LS1 LS3 LS2 LQ4 LQ9 LS6 L92 L99 L33 LR4 LM7**](https://www.amazon.com/dp/B09733PLZV)

Pilida$13.444.7★982%—flat

**~~Showing 15 of 22 — show all ~~**

## **Product shelf**

All 22 tracked products in this niche.

Top sellersNewestTrending

[![EVIL ENERGY LS Stainless Steel Coolant Crossover Steam Vent Kit Black Complete LS Steam Port Kit with Leak-Proof Seals Fits 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LSX Engines](https://m.media-amazon.com/images/I/31ap4XMNUsL.jpg)**EVIL ENERGY LS Stainless Steel Coolant Crossover Steam Vent Kit Black Complete LS Steam Port Kit with Leak-Proof Seals Fits 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LSX Engines** EVIL ENERGY**$100.94**4.2★41 reviews](https://www.amazon.com/dp/B0F84Y1YSM) [![PQY LS Coolant Crossover Steam Vent Kit 4 Port Complete LS Steam Port Kit for 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LS9 LSX Silver](https://m.media-amazon.com/images/I/31MUUhnunoL.jpg)**PQY LS Coolant Crossover Steam Vent Kit 4 Port Complete LS Steam Port Kit for 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LS9 LSX Silver** PQY**$34.04**3.2★135 reviews](https://www.amazon.com/dp/B0BVVJ4VX2) [![Nakkaa Steam Vent Hose Kit -4 AN Complete Coolant Crossover Compatible with LSX LS1 LS2 LS6 LM7 Engine Steam Hoses](https://m.media-amazon.com/images/I/41oGpZJ9qcL.jpg)**Nakkaa Steam Vent Hose Kit -4 AN Complete Coolant Crossover Compatible with LSX LS1 LS2 LS6 LM7 Engine Steam Hoses** Nakkaa**$36.67**3.8★34 reviews](https://www.amazon.com/dp/B0C16DK18X) [![MSCRP AN4 Fuel Brake Line LS Coolant Crossover Steam Vent Kit LS Stainless Coolant Crossover Steam Vent Kit Compatible with for LS1 LS2 LS3 LS6 LS7 LS9 LSX](https://m.media-amazon.com/images/I/31kx-nJqKNL.jpg)**MSCRP AN4 Fuel Brake Line LS Coolant Crossover Steam Vent Kit LS Stainless Coolant Crossover Steam Vent Kit Compatible with for LS1 LS2 LS3 LS6 LS7 LS9 LSX** WnSEu**$34.27**3.7★226 reviews](https://www.amazon.com/dp/B0CJ94XNF1) [![Gxencks Black Pro Suit LS Coolant/Steam Port For All GM LS series engines LS Throttle Body Bypass Hose kit](https://m.media-amazon.com/images/I/31gtgf5LFFL.jpg)**Gxencks Black Pro Suit LS Coolant/Steam Port For All GM LS series engines LS Throttle Body Bypass Hose kit** Gxencks**$27.03**4.2★77 reviews](https://www.amazon.com/dp/B0DGXLMX7T) [![LS Throttle Body Bypass Hose kit LS Coolant/Steam Port Crossover Hose Kits](https://m.media-amazon.com/images/I/31G7eeANq0S.jpg)**LS Throttle Body Bypass Hose kit LS Coolant/Steam Port Crossover Hose Kits** Yokolos**$20.66**4.1★112 reviews](https://www.amazon.com/dp/B0968DRKXN) [![ICT Billet LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit DBC DBW Throttle Body Stainless Steel Braided Hose Kit](https://m.media-amazon.com/images/I/41lrxwLzLbL.jpg)**ICT Billet LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit DBC DBW Throttle Body Stainless Steel Braided Hose Kit** ICT Billet**$183.77**4.2★51 reviews](https://www.amazon.com/dp/B0B3235PFF) [![LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit Compatible with all GM LS series engines](https://m.media-amazon.com/images/I/41xdgcyCqeL.jpg)**LS Cylinder Head Coolant Steam 4 Port Crossover Hose Kit Compatible with all GM LS series engines** WnSEu**$67.77**2.8★17 reviews](https://www.amazon.com/dp/B0CKLDPV6K)

## **Reviews**

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

### **What buyers love **

**Size-Overall**26%

*“Good fit”*

**Quality-Overall**23%

*“Good quality, easy install”*

**Leak-Proof**13%

*“Works well and don't leak”*

**Value For Money**10%

*“Good kit for the Value”*

**Material Quality**5%

*“It's a good quality aluminum”*

**Efficiency**5%

*“Works pretty good”*

**Design-Overall**4%

*“Other than that it seems to be a well built piece”*

**Assembly/Installation**3%

*“Good quality, easy install”*

**Functionality-Overall**3%

*“It worked fine for me”*

**Advertised Vs Actual Product**2%

*“Just as described”*

### **What buyers complain about **

**Size-Overall**29%

*“one was split the other simply too long”*

**Leak-Proof**18%

*“Do not know if it will leak as others have stated”*

**Assembly/Installation**16%

*“its annoying to put together”*

**Quality-Overall**9%

*“Need better quality control”*

**Compatibility-Overall**8%

*“Did not fit my 5.7 ls1”*

**Instructions/User Manual/Troubleshooting**4%

*“Also no instructions”*

**Functionality-Overall**3%

*“Junk, it wouldn't work”*

**Connectivity-Overall**3%

*“Non threaded connection point”*

**Flexibility**2%

*“bends arent all the same”*

**Advertised Vs Actual Product**2%

*“does not match the advertised installation diagram”*

#### **Top return reasons**- Size-Overall34% - Defective Material/Parts16% - Compatibility-Overall11% - Functionality-Overall6% - Advertised Vs Actual Product5% - Coolant5% - Quality-Overall4% - Assembly/Installation3% - Leak-Proof3% - Value For Money2%