plastigauge
Skip itA concentrated shelf (top 5 take 83% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.5%return rate — above 6% kills the launch gate
Conversion
Great10.2%search→purchase rate — share of searches ending in a sale
Avg price
Great$18.43avg listing price — sweet spot $15–$100
Price range
Great$7.24–$39.62cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good546.33avg incumbent reviews — the moat a new listing must climb
Market size
Okay$156K$156K/yr · 83K searches
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Brand share
Okay88%top-5 brand share — brands hold most of the demand
Growth
Bad-6.2%90-day search growth — must beat 0% to launch
Competition
Bad83%top-5 click share — a locked-up shelf
Competition
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
60
Top-5 brand share
88%
Open market
8%
- Allstar Performance28%
- Powerbuilt21%
- JEGS15%
- CTA Tools13%
- Sealed Power11%
- Speedway Motors4%
- Open — no brand owns it (3 brands, 8%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 12 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Allstar Performance Plastigage 0.002-0.006 in and 0.025 to 0.076 mm Measurement Range 12 in Strips Green/Red Kit
Allstar Performance$16.124.8★679 rev
Powerbuilt Plastigauge Engine Bearing Clearance Measuring Tool Includes Green (.001.003) and Red (.002.006) Strips Made in USA - 648441
Powerbuilt$14.014.8★1,463 rev
JEGS Plastigauge Kit | Made in USA | Color-Coded Sizing | Soluble in Oil | Kit Includes Two Green Two Red and One Blue Plastigauge
JEGS$18.864.8★145 rev
CTA Tools 2450 Plastigage - 2-Piece Set Measure Clearances of the Engine Rod & Main Bearings
CTA Tools$11.404.8★525 rev
Sealed Power SPG1 Gauge
Sealed Power$7.244.6★428 rev
Newest
by launch date
Speedway Motors Plastigauge Bearing Clearance Measurement Kit Includes Blue Green and Red Gauges for Rod and Main Journals with Reference Chart for Accurate Assembly Checks
Speedway Motors$23.6218 rev
CABBE KALLO 50-Piece Ear Stretching Kit with Acrylic Tapers Plugs and Silicone Tunnels - Body Piercing Jewelry for Ear Gauges - Stretching and Gauging Set for Tapers Plugs and Gauges Clear
CABBE KALLO$10.263,036 rev
Speedway Motors Green Plastigauge Bearing Clearance Measuring Tool .001.003 Inch Range for Rod and Main Journals Includes Reference Chart for Accurate Assembly
Speedway Motors$11.988 rev
Plastigauge Plastigage Green .001-.003 Rod & Main Bearing Clearance 12/Pack (.001-.003)
KRX$39.6269 rev
Allstar Performance Plastigage 0.002-0.006 in and 0.025 to 0.076 mm Measurement Range 12 in Strips Green/Red Kit
Allstar Performance$16.12679 rev
Trending
90-day click momentumCABBE KALLO 50-Piece Ear Stretching Kit with Acrylic Tapers Plugs and Silicone Tunnels - Body Piercing Jewelry for Ear Gauges - Stretching and Gauging Set for Tapers Plugs and Gauges Clear
CABBE KALLO$10.264.5★
Clevite 77 Clevite M77MPG1-12 Plastigage
Clevite 77$25.494.4★
Sealed Power SPGR-1 Plastigage
Sealed Power$7.774.7★
JEGS Plastigauge Kit | Made in USA | Color-Coded Sizing | Soluble in Oil | Kit Includes Two Green Two Red and One Blue Plastigauge
JEGS$18.864.8★
Allstar Performance Plastigage 0.002-0.006 in and 0.025 to 0.076 mm Measurement Range 12 in Strips Green/Red Kit
Allstar Performance$16.124.8★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -6.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“As promised”
“Good parts”
“Nice to use with a board gauge to backup my measurements”
“Good value for the money”
“Works just like plastiguage should”
“Worked fine”
“nice fit”
What buyers complain about
“Plastic gauge”
“Takes a minute to use right”