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  • K&N Custom Round Filter 5-1/8in FLG / 11in Dia / 4-3/4in H w/VENT
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K&N Custom Round Filter 5-1/8in FLG / 11in Dia / 4-3/4in H w/VENT

2 sold in last 8 hours
K&N Engineering
KNN60-1180
In stock
Carburetor Air Cleaners
$146.99
K&N Custom Round Air Filter | 11" Dia x 4.75" H | 5-1/8" Flange Boost your engine's performance with the K&N Custom Round Air Filter....
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$146.99
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K&N Custom Round Filter 5-1/8in FLG / 11in Dia / 4-3/4in H w/VENT
Description

K&N Custom Round Air Filter | 11" Dia x 4.75" H | 5-1/8" Flange

Boost your engine's performance with the K&N Custom Round Air Filter. High-flow design, washable media, and 11-inch diameter. Perfect for custom builds!

Unlock the full potential of your high-performance engine with the K&N Custom Round Air Filter. Designed for enthusiasts who refuse to compromise on airflow or engine protection, this filter is the gold standard for custom assemblies and performance carbureted engines.

Crafted with K&N’s legendary oiled cotton gauze media, this filter provides an massive surface area to trap contaminants while maintaining exceptionally low restriction. The round, open-element design ensures your engine breathes deeply, resulting in improved throttle response and increased horsepower. Whether you are outfitting a classic muscle car, a custom street rod, or a high-output racing machine, this filter provides the durability and filtration efficiency K&N is world-renowned for.

With its integrated vent assembly, this specific model is engineered to handle crankcase ventilation seamlessly, keeping your engine bay clean and your intake charge pure.

Best Uses

  1. Muscle Cars & Street Rods: Ideal for large-displacement V8 engines using aftermarket carburetors.
  2. Custom Intake Builds: Perfect for builders creating bespoke air cleaner assemblies requiring a 5-1/8 inch flange.
  3. Racing Applications: High-flow capacity makes it suitable for drag racing and track use where maximum oxygen intake is critical.
  4. Performance Upgrades: A direct replacement for restrictive paper filters in custom 11-inch round housings.

Features

  1. High-Flow Media: Signature pleated cotton gauze designed to increase horsepower and acceleration.
  2. Integrated Vent: Includes a built-in vent for easy connection to crankcase breather hoses.
  3. Precision Fitment: Features a 5-1/8 inch (130mm) flange diameter, standard for most 4-barrel carburetors.
  4. Robust Construction: Sturdy internal wire screen and durable urethane flanges for long-lasting structural integrity.
  5. Washable & Reusable: Designed to last the life of your vehicle with periodic cleaning using a K&N Recharger kit.

Benefits

  1. Maximum Breathability: Provides significantly more airflow than standard paper filters, allowing your engine to reach peak performance.
  2. Cost-Efficient: Eliminate the need for replacement filters; simply wash, re-oil, and reinstall for a lifetime of use.
  3. Superior Protection: Multi-layered cotton media protects against harmful dust and debris without choking the engine.
  4. Engine Bay Aesthetics: The iconic red pleated look adds a professional, high-performance aesthetic to any engine compartment.
  5. Eco-Friendly Choice: Reduces environmental waste by keeping disposable filters out of landfills.
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1. Shipments to the Contiguous 48 US States Orders $149.99 and over qualify for our fast free shipping offer. We have worked with our shipping companies and integrated their shipping prices with our website for customer comfort.

2. Please see our International Orders page for orders shipping outside the US. We have worked with our shipping companies and integrated their shipping prices with our website for customer comfort.

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