ngk tr6
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$33.71avg listing price — sweet spot $15–$100
Price range
Incredible$27.50–$40.44cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great136.25avg incumbent reviews — the moat a new listing must climb
Conversion
Great10.4%search→purchase rate — share of searches ending in a sale
Returns
Great1.6%return rate — above 5% kills the launch gate
Growth
Okay+2.3%90-day search growth — must beat 0% to launch
Market size
Bad$72K$72K/yr · 21K searches
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, ngk tr6 is a $72K/yr Amazon United States market (21K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 39/100.
Data updated Jul 11, 2026 · scored weekly · How we score niches
ngk tr6 market data
- Units sold / yr
- 3K–3K
- avg 250–500/product
- Revenue / yr
- $84K–$101K
- units × avg price
- Conversion rate
- 10.4%
- Avg BSR
- #378
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 50%
- Out of stock
- 0.0%
- Avg brand age
- 42 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
2 falling
Sellers
24
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
100%
Top 20: 100%
Open market
0%
- NGK91%
- 269 Motorsports9%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +2.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top ngk tr6 search terms
- ngk tr69K/yr
- ngk tr6 spark plugs6K/yr
- tr6 spark plugs5K/yr
Top ngk tr6 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 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Spark Plugs Set of 8 - NGK TR6 for 1997-2013 C5 Z06 Grand Sport Corvette
NGK$32.494.8★57 rev

NGK 4177 TR6 V-Power Premium Copper Core Spark Plugs Set Of 8
NGK$34.395.0★25 rev

NGK 4177 TR6 V-Power Premium Copper Spark Plugs Set Of 8
269 Motorsports$40.444.8★65 rev

NGK 4177 PK8 Spark Plugs
NGK$27.504.8★398 rev
Newest
by launch date
NGK 4177 TR6 V-Power Premium Copper Core Spark Plugs Set Of 8
NGK$34.3925 rev

NGK 4177 TR6 V-Power Premium Copper Spark Plugs Set Of 8
269 Motorsports$40.4465 rev

NGK 4177 PK8 Spark Plugs
NGK$27.50398 rev

Spark Plugs Set of 8 - NGK TR6 for 1997-2013 C5 Z06 Grand Sport Corvette
NGK$32.4957 rev
Trending
90-day click momentumWhat buyers say about ngk tr6
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality as expected from NGK”
“Great value, I regap them”
“Sparky”
“Good spark plugs”
What buyers complain about
“Gap your plugs correctly”
Top return reasons
Common questions
- Is ngk tr6 profitable to sell on Amazon United States?
- The niche generates $72K/yr across 4 tracked products. 90-day search growth is +2.3%. Flapen's verdict: Skip it (39/100).
- How competitive is the ngk tr6 niche?
- 2 brands and 24 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in ngk tr6?
- Top complaints mined from reviews: Socket/Port/Plug. The return rate is 1.6%.
- When does demand for ngk tr6 peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the ngk tr6 niche?
- Listings span $27.50–$40.44; the average listing price is $33.71 (sweet spot $15–$100). The average incumbent carries 136 reviews — the moat a new listing must climb.