K&N Universal Air Filter Round Straight Angled Flange RU-1780 — Fits 1981-1982 Honda ATC250R

SKU: KNNRU-1780
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

K&N Universal Air Filter RU-1780

Ensure optimal performance for your 1981-1982 Honda ATC250R with the K&N RU-1780 Universal Air Filter. This high-flow air filter is engineered to provide exceptional filtration while allowing maximum airflow, crucial for engine power and efficiency. K&N is renowned for its quality and performance, making this filter a top choice for riders seeking to maintain or enhance their ATV's engine health.

Key Features:

  • Designed for 1981-1982 Honda ATC250R models.
  • High-flow filtration for increased engine performance.
  • Washable and reusable for long-term value.
  • Features a pliable rubber flange for secure, vibration-resistant mounting.
  • Angled flange design for easier installation in tight spaces.

The RU-1780 features K&N's signature red filter media, protected by a durable rubber flange that can even be stretched slightly to ensure a perfect seal. This universal filter is built to last, offering a cost-effective solution compared to disposable filters. Its robust construction can withstand the demanding conditions of off-road riding. Regular cleaning and maintenance will ensure consistent performance and extend the life of your engine.

Invest in superior air filtration for your Honda ATC250R. Purchase the K&N RU-1780 Universal Air Filter from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1981-1982 Honda ATC250R Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

K&N Universal Air Filter RU-1780

Ensure optimal performance for your 1981-1982 Honda ATC250R with the K&N RU-1780 Universal Air Filter. This high-flow air filter is engineered to provide exceptional filtration while allowing maximum airflow, crucial for engine power and efficiency. K&N is renowned for its quality and performance, making this filter a top choice for riders seeking to maintain or enhance their ATV's engine health.

Key Features:

  • Designed for 1981-1982 Honda ATC250R models.
  • High-flow filtration for increased engine performance.
  • Washable and reusable for long-term value.
  • Features a pliable rubber flange for secure, vibration-resistant mounting.
  • Angled flange design for easier installation in tight spaces.

The RU-1780 features K&N's signature red filter media, protected by a durable rubber flange that can even be stretched slightly to ensure a perfect seal. This universal filter is built to last, offering a cost-effective solution compared to disposable filters. Its robust construction can withstand the demanding conditions of off-road riding. Regular cleaning and maintenance will ensure consistent performance and extend the life of your engine.

Invest in superior air filtration for your Honda ATC250R. Purchase the K&N RU-1780 Universal Air Filter from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1981-1982 Honda ATC250R Base

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

K&N Universal Air Filter RU-1780

Ensure optimal performance for your 1981-1982 Honda ATC250R with the K&N RU-1780 Universal Air Filter. This high-flow air filter is engineered to provide exceptional filtration while allowing maximum airflow, crucial for engine power and efficiency. K&N is renowned for its quality and performance, making this filter a top choice for riders seeking to maintain or enhance their ATV's engine health.

Key Features:

  • Designed for 1981-1982 Honda ATC250R models.
  • High-flow filtration for increased engine performance.
  • Washable and reusable for long-term value.
  • Features a pliable rubber flange for secure, vibration-resistant mounting.
  • Angled flange design for easier installation in tight spaces.

The RU-1780 features K&N's signature red filter media, protected by a durable rubber flange that can even be stretched slightly to ensure a perfect seal. This universal filter is built to last, offering a cost-effective solution compared to disposable filters. Its robust construction can withstand the demanding conditions of off-road riding. Regular cleaning and maintenance will ensure consistent performance and extend the life of your engine.

Invest in superior air filtration for your Honda ATC250R. Purchase the K&N RU-1780 Universal Air Filter from GGCRACING today!

Vehicle Fitment

Years Make Model Trim
1981-1982 Honda ATC250R Base

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