Description
The K&N Filters Air Filter for Misc GM and 454 Big Block (KNNE-1420) is designed to provide superior filtration and improved airflow for GM 454 Big Block and miscellaneous GM engines. This high-performance air filter helps protect your engine from dirt and debris while enhancing air intake efficiency. It is made from durable materials and offers long-lasting use and easy installation with a direct fit design. Ideal for restorations and performance upgrades, this air filter supports optimal combustion and engine power, ensuring your GM Big Block runs smoothly and efficiently under various driving conditions.
Features and Specifications:
- Vehicle Fitment: Misc GM and 454 Big Block engines
- Air Filter Shape: Round
- Height: 5.5 in (140 mm)
- Inside Diameter: 9.813 in (249 mm)
- Outside Diameter: 11.875 in (302 mm)
- Cost Savings: A Reusable K&N air filter can save up to $125 over time compared to disposable filters.
- Cleaning Interval: Requires cleaning only every 75,000 miles under typical highway conditions.
- Durable Build: Made with premium materials for long-lasting performance.
- Waste Reduction: Helps reduce landfill waste from over 200 million disposable filters annually.
- Performance Boost: Engineered to enhance horsepower, acceleration, and overall engine efficiency.
- Simple Install: Pre-oiled and ready for easy drop-in installation – no special tools needed.
- Advanced Filtration: Features four layers of oiled cotton gauze to trap contaminants effectively.
- Long-Term Warranty: Backed by a lifetime limited warranty (restrictions apply).






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