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K&N - Air Cleaner Assembly (56-1255)

Air Cleaner Assembly



You save: $84.30 (45%) off MSRP


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This is a universal fit product

  1. That means this product doesn’t have fitment for any specific vehicle.
  2. If fitment is applicable for your application, be sure to check compatibility with the other components.
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About this product

Part #: 56-1255

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N custom air filter kits are designed to boost performance from your carburetor while keeping the dirt on the outside where it belongs. These assemblies come with custom chrome top and base plates and the famous K&N High-Flow Washable Air Filter.

More Details

Carb/Air Horn Dia. (in.)3.25
Diameter Outside (in.)5.5/9
Filter ColorRed
Filter MaterialCotton Gauze
Inner WireNo
Outside Length8.875 in (225 mm)
Outside Width5.25 in (133 mm)
Replacement FilterE-3461
Top Material/FinishChrome
Top StyleMetal

See what our community says about kandn products

James Sutherland


James Sutherland
2001 Chevrolet Blazer
What made you choose this particular product?
For the price it makes a big difference
Is this your first time buying from this brand? Did you consider other brands?
Yes first time buying this brand
Was it easy to install? Any installation tips that will help others?
I install it myself very simple and easy to do
View on James's build
What made you choose this particular product?
Modest improvement, design, and build quality, rotomolded
Is this your first time buying from this brand? Did you consider other brands?
Nothing comparable offered
View on Gord's build
Timothy Markworth


Timothy Markworth
2007 Dodge Caliber
What made you choose this particular product?
It's not FRAM.
Is this your first time buying from this brand? Did you consider other brands?
Was it easy to install? Any installation tips that will help others?
Very easy to install. Unlike removing the old POS Fram filter.
Once you've had a chance to use the product, did it meet your expectations?
Can't go wrong.
View on Timothy's build
What made you choose this particular product?
Good price, noticeable performance upgrade and better breathing along with exhaust note
View on Euan's build
What made you choose this particular product?
This was already on the car when we bought it. It sounds real mean.
View on Phil's build
WARNING: Cancer and Reproductive Harm

About K&N

K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and air intakes in over 30 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies.

Benefits of adding this mod

A factory air intake system compromises your performance with restrictive tubing and low quality paper air filters. Upgrading to a wide breathing cold air intake optimized for delivering cooler, more dense air to your engine is the least expensive way to boost power and increase your fuel mileage. Take it a step further with our selection of forced induction turbos or superchargers to maximize your motor’s performance and breathe new life into your custom build.


we ship worldwide!

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.

Have a question? Ask an Expert!

Finding the best parts can be tricky

- but not to worry! Our team of experienced American Muscle, JDM, Euro, and off-road tuners are ready to answer your questions (as long as we’re not in the garage wrenching on our own builds).

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Matt Farah

Smoking Tire / The Drive

Thank you for all the help, really. You guys are awesome. This is all great info and I really appreciate everything you have done to help me with my build.

James M.

Ford Focus ST

Your customer service is wonderful. Thank you for taking care of this. My review will express all. Thank you!

Wallace R

Chevrolet Silverado 1500