This is a universal fit product
- That means this product doesn’t have fitment for any specific vehicle.
- If fitment is applicable for your application, be sure to check compatibility with the other components.
Authorized Dealer

Not for sale or street use in California.
About this product
Part #: 720-12
Holley products have been the undisputed leader in fuel systems for over 100 years. Holley carburetors power every NASCAR Sprint Cup team and every NHRA Pro–Stock champion. Holley's products include performance fuel pumps, fuel injection, intake manifolds, cylinder heads & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies, Hooker Headers, Flowtech Headers, NOS, Weiand, or Earl's, Holley products can give you the edge you need over the competition.
More Details
Base Type | Flat |
CARB/Air Horn Diameter | 5.125 in. |
Diameter Outside (in.) | 5.75 |
Filter Height | 3.000 in. |
Filter Style | Steel Mesh |
Finish | Raw |
Material | Stainless Steel |
Shape | Round |
Size | 5.750 in. |
WARNING CA Proposition 65 | No |
See what our community says about holley products
What made you choose this particular product?
It was already on when I bought the car.
Any additional comments?
Once it opens up in the rpms it’s got serious power and is very loud.
View on Brad's buildWhat made you choose this particular product?
I chose this fuel pump hanger simply for ease of installation. It plugs straight into any standard "12 bolt" fuel cell.
Is this your first time buying from this brand? Did you consider other brands?
No, Holley makes great products that are competitively priced.
Was it easy to install? Any installation tips that will help others?
Amazingly easy to install. Remove stock fuel filler, plug this in and run some wires.
View on David's buildWhat made you choose this particular product?
Performance
Is this your first time buying from this brand? Did you consider other brands?
Yes, not really ive seen people get good results out of a holley before.
Was it easy to install? Any installation tips that will help others?
Yes it was, if you get stuck there are many videos on how to instal and tune these things.
Once you've had a chance to use the product, did it meet your expectations?
Exspensive but worth it.
View on Jackson 's buildWhat made you choose this particular product?
Awesome carb, worth 19 at the wheel, increased throttle response over the 4412-ct
View on Owen's buildWhat made you choose this particular product?
I am running a 200cc and can't afford a v8 but still want to be one of the cool kids
What were you trying to accomplish by adding this product?
more horsepower
Was it easy install? Any installation tips that will help others?
Not an easy install since you need an adapter that I ended up milling
Any additional comments?
don't do it and buy a 289
View on Bry's buildMOST POPULAR Air Cleaners Air Intake
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About Holley
Holley® has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!

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Based in California with 3 warehouses across the country, we’re sending out shipments everyday of the week, even Saturdays. Because your next mod shouldn’t have to wait.
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