---
title: "Trend — rcj6y spark plug - Flapen"
canonical_url: "https://flapen.com/research/us/automotive/rcj6y-spark-plug/trend"
last_updated: "2026-08-10T14:41:20.785Z"
locale: en
meta:
  description: "Niche score 52/100 · $37K/yr market · 26K searches/yr · $8.43 avg price. A small market ($37K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 52/100 · $37K/yr market · 26K searches/yr · $8.43 avg price. A small market ($37K/yr) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Trend — rcj6y spark plug - Flapen"
---

# **rcj6y spark plug**

**Worth a look**

Shows searches that convert (16.7% search→purchase), but a small market ($37K/yr) keeps it on the watch list.

Market size 9Growth 95Conversion 98Competition 32Returns 93Price range 12Avg price 23Brand share 43Review moat 72Quality gap 24

**Conversion**

**Incredible****16.7%**

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

**Growth**

**Incredible****+112.6%**

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

**Returns**

**Great****1.1%**

return rate — above 5% kills the launch gate

**Review moat**

**Good****611.25**

avg incumbent reviews — the moat a new listing must climb

**Brand share**

**Okay****79%**

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

**Competition**

**Okay****66%**

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

**Quality gap**

**Bad****4.6★**

avg incumbent rating — lower means beatable quality

**Avg price**

**Bad****$8.43**

avg listing price — sweet spot $15–$100

**Price range**

**Bad****$3.92–$16.44**

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

**Market size**

**Bad****$37K**

$37K/yr · 26K searches

**Signals**[** Trending**](https://flapen.com/research/niches?market=us&signal=trending "Search growth > 100% (90d)")

## Trend