4 barrel carburetor
Skip itPrices mostly outside the sweet spot ($83.61–$464.13) — this niche doesn't clear our bar today.
Quality gap
Incredible3.7★avg incumbent rating — lower means beatable quality
Review moat
Incredible62.16avg incumbent reviews — the moat a new listing must climb
Competition
Great38%top-5 click share — an open shelf
Avg price
Okay$187.08avg listing price — sweet spot $15–$100
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Growth
Okay+12.2%90-day search growth — must beat 0% to launch
Market size
Bad$95K$95K/yr · 94K searches
Returns
Bad7.9%return rate — above 6% kills the launch gate
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Price range
Bad$83.61–$464.13cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Clicks spread well past the top 5 (38% combined) — an open shelf where new products get seen.Brands
22 falling
Sellers
91
Top-5 brand share
78%
Open market
19%
- Generic44%
- SJDYYMX14%
- condgreemee10%
- Edelbrock5%
- THUNDERMINGO5%
- Gihdfer4%
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 44 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
1405 600 CFM 4 Barrel Carburetor w/Manual Choke Carburetor Compatible with Corvette Silverado GMC Square Bore Carburetor (Non-EGR)
SJDYYMX$135.323.6★36 rev
1406 Carburetor for Performer 600 CFM 4 Barrel Carburetor Square Bore AFB-style Air Valve Secondary Compatible with Silverado Corvette Mustang Mercury GMC Pickup Truck carb with Electric Choke
condgreemee$150.923.6★129 rev
1405 Carburetor For Edelbrock Performer 600 Cfm 4 Barrel Square Bore Manual Choke Compatible For Corvette Silverado Gmc
Generic$130.363.4★16 rev
BR-67255 Carburetor 4150 Model 650 CFM 4 Barrel For Holley Quick Fuel Brawler Double-Pumper Carburetor Mechanical Secondary Electric Choke Square Bore Flange Replace
Generic$176.383.7★19 rev
BR-67201 850CFM 4-Barrel Carburetor - 4150 Double Pumper Mechanical Secondary for Holley Quick Fuel Brawler Race Series - Square Bore No Choke Dual Inlet Performance Carb
Generic$178.583.4★8 rev
Newest
by launch date
Gihdfer BR-67255 Carburetor 650 CFM 4150 Model 4 Barrel Dual Fuel Inlet Replacement for Holley Quick Fuel Brawler Diecast Carburetors Mechanical Secondary Electric Choke Square Bore Flange
Gihdfer$212.170 rev
Wawews 600 CFM 4 Barrel Carburetor Electric Choke Vacuum Secondary 4150 Model - Aluminum Street Performance Carbs Compatible with Ford Chrysler GM V8 Engines (Part: BR-67270)
Wawews$223.131 rev
Gihdfer 1406 Carburetor Replacement 600 CFM 4 Barrel Square Bore Electric Choke AFB Style Compatible with Performer Manifolds for Silverado Corvette Mustang GMC Truck
Gihdfer$151.080 rev
BR-67201 850CFM 4-Barrel Carburetor - 4150 Double Pumper Mechanical Secondary for Holley Quick Fuel Brawler Race Series - Square Bore No Choke Dual Inlet Performance Carb
Generic$178.588 rev
BR-67199 Carburetor for Holley 650 Cfm Race Series Mechanical Secondary Carburetor 4 Barrel 4150 Square Bore No Choke Dual Inlet
Generic$178.9211 rev
Trending
90-day click momentum
BR-67270 4 Barrel Carburetor for Holly 4150 Model Vacuum Secondary Electric Choke Replacement 600 CFM
Generic$153.563.8★
1404 Carburetor 500 CFM 4-Barrel Square Bore Carburetor with Air Valve Secondary Manual Choke Replacement for Chevy 305 Engine
Generic$122.875.0★
Gihdfer BR-67255 Carburetor 650 CFM 4150 Model 4 Barrel Dual Fuel Inlet Replacement for Holley Quick Fuel Brawler Diecast Carburetors Mechanical Secondary Electric Choke Square Bore Flange
Gihdfer$212.170.0★
4-Barrel Carburetor 650 CFM Square-Flange Manual Choke FIT Small Block V8 Street Engines AVS2 1905 Style Replacement Satin Die-Cast Aluminum 5.160 x 5.625 Bolt Pattern
AUTOTOP$83.610.0★
1404 Carburetor Performer 500 CFM 4 Barrel Square Bore Air Valve Secondary Manual Choke Replacement For Chevy 305 Engine
Generic$119.833.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +12.2% search growth over the last 90 days.Peak months: Sep · busiest ÷ quietest = 1.9×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“it was cheap”
“Works perfectly”
“Good fit”
“Great Product”
“works as advertised”
“I did everything right installing this &*#@ thing”
“Well constructed”
“hasnt leaked since”
“fuel efficiency was good”
“which immediately makes it feel durable & well constructed”
What buyers complain about
“Poor quality”
“Fuel leaks”
“Bad car parts”
“Has never ran correctly”
“Could not set”
“as soon as I would give it gas, the engine would bog terribly and often die”
“I am afraid of breaking it”
“This was a bad engine part”
“if it even could be fixed so unfortunately I have to return it”
“You dont save $300 you cost yourself $200”