Header Bolts
MaybeThe average product has only 95 reviews. But shoppers spend an estimated $45K a year here, so Header Bolts is a Maybe.
- Flapen Score
- 53 / 100Top 31% of 7,287 Automotive niches · +4 vs the category median of 4953
- Market size
- $45K/yr38K searches / yr
- 90-day growth
- +8.4%search demand this quarter
- Competition
- 51%top-5 click share · 17 brands · 88 sellers
Flapen Score
Header Bolts against its category
The dotted line is the Automotive average. Past it, Header Bolts is stronger. Inside it, weaker.
Market
The Header Bolts market on Amazon at a glance
Shoppers on Amazon United States searched for Header Bolts 38K times last year and spent an estimated $45K. The top 5 brands take 75% of clicks. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
An estimated 5.0% of those searches ended in a purchase.
Shoppers searched for this 38K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 5.0% of those searches ended in a purchase. Searches in the last 90 days moved +8.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated $45K a year.
- Searches, last 12 months
- 38K
- Growth, 90 days vs prior 90
- +8.4%
- Conversion, latest week
- 5.0%
- Market size, estimated
- $45Ka year
- Top search term
- header bolts20K searches a year
02 · Price
A sale here is worth $23.70.
Listings sell for $23.70 on average, from $9.32 to $51.07. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 0 to 100 of them. At $23.70 that is $0 to $2K a year per listing.
- Average price
- $23.70inside the $15 to $100 sweet spot
- Price range
- $9.32–$51.07
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 2.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is low.
50% of listings pay for placement with sponsored ads. 96% ship with Prime. On an average day, 1.1% of listings are out of stock. The average listing ranks #126 within Performance Parts & Accessories. It carries 95 reviews at 4.43 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 50%
- Prime listings
- 96%
- Out of stock, average day
- 1.1%
- Average rank
- #126in Performance Parts & Accessories
- Average rating
- 4.43 starsAmazon United States average 4.42 stars
- Average reviews
- 95per listing
- Listings tracked
- 26
04 · Newcomers
1 of last year's 5 launches cleared the first-year sales bar.
5 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 55 months on average, so the names here are settling in.
- Launched, last 12 months
- 5
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 55 months
Products
Top Header Bolts products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 9, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
SeaEagles Stud Hardware 16Pices 100-1110 1001110 Header Bolts Chrome Moly Steel Black Oxide Finish
- Price
- $18.96
- Rating
- 4.4/5
- Reviews
- 64
- Age
- 1y ago

ARP 100-1110 1001110 Header Bolts With Hex Style Heads Chrome Moly Steel With Black Oxide Finish Set Of 16
- Price
- $27.32
- Rating
- 4.8/5
- Reviews
- 506
- Age
- 20y ago

Spectre Performance 46723 7/8 Header Bolt
- Price
- $16.42
- Rating
- 4.4/5
- Reviews
- 503
- Age
- 21y ago

Moroso 38710 3/8 x 3/4 Header Bolt
- Price
- $17.49
- Rating
- 4.9/5
- Reviews
- 14
- Age
- 3y ago

SBC Exhaust Header Bolt Kit Stainless Steel 3/8-16x1 Bolts Compatible with Chevrolet V8 Small Blocks 265 283 305 327 350 383 400 Gen I & II 92-97 LT1 LT4 TPI TBI 96-98 Vortec 5.0L 5.7L
- Price
- $15.88
- Rating
- 4.5/5
- Reviews
- 12
- Age
- 10mo ago
Trending
estimated 90-day click momentum
16PCS 100-1110 Header Bolts with Washers 3/8-16 UNC 1.00 Length Galvanised Silver Direct Upgrade for BBC & Ford V8
- Price
- $13.78
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

RoyalAir 100-1110 1001110 Header Bolts Chrome Moly Steel Black Oxide Finish Set of 16
- Price
- $16.02
- Rating
- 4.0/5
- Reviews
- 5
- Age
- 1y ago

SBC Exhaust Header Bolt Kit Stainless Steel 3/8-16x1 Bolts Compatible with Chevrolet V8 Small Blocks 265 283 305 327 350 383 400 Gen I & II 92-97 LT1 LT4 TPI TBI 96-98 Vortec 5.0L 5.7L
- Price
- $15.88
- Rating
- 4.5/5
- Reviews
- 12
- Age
- 10mo ago

100-1110 1001110 Header Bolts 3/8-16 UNC Hexagon 8-Grade Chrome Steel Black Oxide Finish for Automotive and Industrial Applications 16 pcs
- Price
- $17.95
- Rating
- 3.8/5
- Reviews
- 9
- Age
- 9mo ago

ARP 1001107 Black Oxide 12-Point Header Bolts - Set of 12
- Price
- $23.29
- Rating
- 4.7/5
- Reviews
- 23
- Age
- 20y ago
Newest
by launch date
16PCS 100-1110 Header Bolts with Washers 3/8-16 UNC 1.00 Length Galvanised Silver Direct Upgrade for BBC & Ford V8
- Price
- $13.78
- Rating
- 0.0/5
- Reviews
- 0
- Age
- 3mo ago

SWQS 12PCS ES75120 5.3 LS Exhaust Manifold Bolts 10.9 Header Bolts Exhaust Manifold Hardware Kit Replacement for Chevy Silverado Suburban Gmc Buick LS Series Engines LSX LS2 LS3 LS6 LS7
- Price
- $13.97
- Rating
- 4.4/5
- Reviews
- 16
- Age
- 8mo ago

100-1110 1001110 Header Bolts 3/8-16 UNC Hexagon 8-Grade Chrome Steel Black Oxide Finish for Automotive and Industrial Applications 16 pcs
- Price
- $17.95
- Rating
- 3.8/5
- Reviews
- 9
- Age
- 9mo ago

SBC Exhaust Header Bolt Kit Stainless Steel 3/8-16x1 Bolts Compatible with Chevrolet V8 Small Blocks 265 283 305 327 350 383 400 Gen I & II 92-97 LT1 LT4 TPI TBI 96-98 Vortec 5.0L 5.7L
- Price
- $15.88
- Rating
- 4.5/5
- Reviews
- 12
- Age
- 10mo ago

551696 Exhaust Manifold Bolts Manifold Header Bolts for GM LS1 LS3 LS2 LSX LT Series Engines 12 PCS for GM 12617944 Exhaust Manifold Gasket
- Price
- $9.32
- Rating
- 4.6/5
- Reviews
- 56
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 51% of clicks. Leaders hold, but buyers still shop past them.
Brands
17 flat
Sellers
88
Est. top-5 brand share
75%
Top 20: 100%
Est. top-5 click share
51%
Top 20: 93%
Open market
21%
- ARP32%
- SeaEagles18%
- Spectre9%
- BEONEO8%
- Moroso7%
- SWQS4%
Demand
Header Bolts search demand
Weekly searches over the year. Pick a range.
Search terms
Top Header Bolts search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- header bolts20K/yr
- sbc header bolts13K/yr
- arp header bolts6K/yr
Reviews and returns
What reviews say buyers love and hate about Header Bolts
We read the reviews and the return reasons for every product selling here.
“Does not fit sbc headers head of bolts are to big”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
16 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Header Bolts questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









