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  • K&N Universal Custom Air Filter - Oval - Red - 51mm Neck Flange
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K&N Universal Custom Air Filter - Oval - Red - 51mm Neck Flange

K&N Engineering
KNN56-9105
In stock
Air Filters - Direct Fit
$157.99
K&N Universal Custom Air Filter Oval Red 51mm Neck Flange | High-Flow Performance Filter Boost engine performance with the K&N Universal Custom Oval Air Filter....
Size Guide
$157.99
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K&N Universal Custom Air Filter - Oval - Red - 51mm Neck Flange
Description

K&N Universal Custom Air Filter Oval Red 51mm Neck Flange | High-Flow Performance Filter

Boost engine performance with the K&N Universal Custom Oval Air Filter. Features a 51mm neck flange, oiled red cotton media, chrome top/base plates, and washable design.

The K&N Universal Custom Air Filter (56-9105) is engineered to maximize airflow and horsepower for single or two-barrel carburetor setups. Designed with an oval profile and a vibrant red oiled-cotton filtration element, this custom filter assembly delivers high airflow while capturing dirt and debris.

Featuring custom chrome top and base plates, it provides a sleek, show-quality look under the hood. The pliable rubber 51mm neck flange absorbs engine vibration and allows for a secure clamp-on fitment. Because it is washable and reusable, this air filter offers long-lasting durability and sustainable performance for custom builds and classic engines.

Best Uses

  1. Carbureted Engine Upgrades: Ideal for classic cars, vintage roadsters (such as Lotus Elan), hot rods, and custom builds running single or two-barrel carburetors.
  2. Performance Tuning: Perfect for project vehicles requiring enhanced airflow to boost horsepower and throttle response.
  3. Engine Bay Aesthetics: Great for custom auto builds where chrome trim and red filter media complement the engine bay appearance.
  4. Custom Intake Setups: Fits custom intake piping or carburetors with a 51mm (2-inch) inlet diameter.

Features

  1. High-Flow Oiled Cotton Media: Layered red cotton element optimized to increase air intake without restricting flow.
  2. 51mm Neck Flange: Flexible, molded rubber flange designed to absorb vibrations and provide a tight seal.
  3. Chrome Top and Base Plates: Features show-quality chrome-plated housing for durability and engine bay style.
  4. Washable and Reusable Design: Fully washable filter media engineered for repeated cleaning and re-oiling.
  5. Compact Oval Geometry: Oval profile designed to fit tight space constraints around carburetor manifolds.

Benefits

  1. Enhanced Horsepower & Acceleration: Delivers higher air volume to the engine to improve throttle response and power output.
  2. Superior Filtration Protection: Traps airborne dirt and particles effectively to protect internal engine components.
  3. Cost-Effective Long-Term Value: Eliminates the need for constant disposable filter replacements due to its reusable construction.
  4. Vibration Resistance: Molded rubber flange absorbs engine movement to prevent loosening or slippage.
  5. Show-Ready Appearance: Premium chrome finish instantly upgrades the aesthetic of your engine bay.

 

 

This Part Fits:

Year Make Model Submodel
1967 Lotus Elan 2
1967 Lotus Elan Base
1968-1970 Lotus Elan S4
1971-1973 Lotus Elan Sprint
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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.

3.For a specific delivery ETA based on the exact item(s) you want to purchase, please call us at (248) 832-2444 or message us via Chat before placing an order.

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1. Returned products must be in new, unused condition and include the original box and/or packaging with all tags included.

2. Once your return is received and inspected by MotoKarMax (usually within 48-72 hours of receiving), your refund will be processed and a credit will be applied to your credit card or original payment method. Please note that depending on your credit card company, it may take an additional 2-10 business days after your credit is applied for it to be posted to your account.

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