ls steam vent kit
Worth a lookShows a thin review moat (88 avg reviews), but soft demand (-0.1% this quarter) keeps it on the watch list.
Review moat
Incredible88.18avg incumbent reviews — the moat a new listing must climb
Avg price
Incredible$45.84avg listing price — sweet spot $15–$100
Quality gap
Great4.1★avg incumbent rating — lower means beatable quality
Brand share
Good71%top-5 brand share — brands hold most of the demand
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Price range
Good$13.44–$183.77cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Okay56%top-5 click share — leaders hold, buyers still browse
Returns
Okay3.2%return rate — above 5% kills the launch gate
Market size
Okay$147K$147K/yr · 68K searches
Growth
Bad-0.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, ls steam vent kit is a $147K/yr Amazon United States market (68K searches/yr). The top 5 brands hold 71% of demand. Verdict: Worth a look — 52/100.
Data updated Jul 9, 2026 · scored weekly · How we score niches
ls steam vent kit market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $115K–$138K
- units × avg price
- Conversion rate
- 4.7%
- Avg BSR
- #253
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 95%
- Out of stock
- 6.3%
- Avg brand age
- 41 months
- Avg seller age
- 178 days
Competition & brand share
The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.Brands
16 falling
Sellers
20
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
56%
Top 20: 98%
Open market
21%
- WnSEu20%
- EVIL ENERGY17%
- PQY15%
- Nakkaa9%
- Gxencks9%
- Yokolos8%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -0.1% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top ls steam vent kit search terms
- ls steam port kit38K/yr
- ls steam vent kit18K/yr
- ls coolant crossover6K/yr
- ls steam port5K/yr
Top ls steam vent kit products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 22 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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$100.944.2★41 rev
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$34.043.2★135 rev
Nakkaa Steam Vent Hose Kit -4 AN Complete Coolant Crossover Compatible with LSX LS1 LS2 LS6 LM7 Engine Steam Hoses
Nakkaa$36.673.8★34 rev
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$34.273.7★226 rev
Gxencks Black Pro Suit LS Coolant/Steam Port For All GM LS series engines LS Throttle Body Bypass Hose kit
Gxencks$27.034.2★77 rev
Newest
by launch date
AN4 LS Coolant Crossover Steam Vent Kit LS 4 Port Stainless Steam Line Kit | Fit for LS 4 Port Steam Vent Engine LS1 LS2 LS3 LS6 LS7 LS9 LSX
LLNSEAUTO$32.211 rev
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$100.9441 rev
EVIL ENERGY LS Stainless Steel Coolant Crossover Steam Vent Kit Red Complete LS Steam Port Kit with Leak-Proof Seals Fits 6.0 5.3 LS1 LS2 LS3 LS6 LS7 LSX Engines
EVIL ENERGY$101.7741 rev
Cosmostar 1-1/4 Radiator Hose Barb Coupler Adapter with 1/8 NPT Steam Port for LS Swap Aluminum Coolant Crossover Splice for Steam Vent Radiator Hose Fitting (Black)-NN17N02
HE COSMOSTAR$17.1761 rev
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
broyear$36.698 rev
Trending
90-day click momentumAN4 LS Coolant Crossover Steam Vent Kit LS 4 Port Stainless Steam Line Kit | Fit for LS 4 Port Steam Vent Engine LS1 LS2 LS3 LS6 LS7 LS9 LSX
LLNSEAUTO$32.215.0★
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
WnSEu$20.444.6★
PQY LS Throttle Body Bypass Hose kit LS Coolant Steam Port Crossover Hose Kits with Tape
PQY$22.884.5★
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
broyear$36.694.6★
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$100.944.2★
What buyers say about ls steam vent kit
What buyers praise and complain about, mined from review topics.What buyers love
“Good fit”
“Good quality, easy install”
“Works well and don't leak”
“Good kit for the Value”
“It's a good quality aluminum”
“Works pretty good”
“Other than that it seems to be a well built piece”
“Good quality, easy install”
“It worked fine for me”
“Just as described”
What buyers complain about
“one was split the other simply too long”
“Do not know if it will leak as others have stated”
“its annoying to put together”
“Need better quality control”
“Did not fit my 5.7 ls1”
“Also no instructions”
“Junk, it wouldn't work”
“Non threaded connection point”
“bends arent all the same”
“does not match the advertised installation diagram”
Top return reasons
Common questions
- Is ls steam vent kit profitable to sell on Amazon United States?
- The niche generates $147K/yr across 22 tracked products. 1 of 3 products launched in the last 360 days are still selling. 90-day search growth is -0.1%. Flapen's verdict: Worth a look (52/100).
- How competitive is the ls steam vent kit niche?
- 16 brands and 20 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in ls steam vent kit?
- Top complaints mined from reviews: Size-Overall, Leak-Proof, Assembly/Installation. The return rate is 3.2%.
- When does demand for ls steam vent kit peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the ls steam vent kit niche?
- Listings span $13.44–$183.77; the average listing price is $45.84 (sweet spot $15–$100). The average incumbent carries 88 reviews — the moat a new listing must climb.