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The K&N 85-1120 Air Filter Vent Kit serves as a universal adapter for smog tubes crankcase and valve cover vents on most vehicles. This 90 degree elbow design routes ventilation hoses effectively in engine bays. It filters contaminants reduces oil mist and supports consistent engine performance with clean airflow.
Key Features
- 0.50 Inch Centered Flange: Provides secure connection to standard 1/2 inch vent hoses preventing leaks and pressure buildup.
- 1.75 Inch Height x 1.75 Inch Length: Compact size integrates seamlessly without interfering with other components.
- Drill 0.50 inch hole in air filter base or valve cover as needed.
- Engineered for high flow ventilation that protects internals and boosts efficiency.
- This universal kit adapts to most crankcase PCV smog tube or valve cover vents using standard 0.50 inch hoses across vehicles.
- Requires drilling a hole in air filter base or valve cover for installation.
Fitment
| Fitment Status | Universal or dimensional product |
|---|---|
| Required Verification | Exact dimensions, media, connection, mounting interface, and companion part number |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | 85-1120 |
| Product Type | Air Intake Components |
| Fitment Type | Universal |
| Condition | New |
What's Included
One new K&N air intake components identified by manufacturer part number 85-1120. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
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Frequently Asked Questions
How do I confirm K&N 85-1120 fits my setup?
Match every listed dimension, flange or thread size, media type, mounting interface, and companion component. A similar shape or outside dimension alone does not confirm compatibility.
Does K&N 85-1120 require tuning or emissions verification?
Requirements vary by vehicle and intake configuration. Check the current K&N application and emissions notes, and complete any required calibration before full-load operation.
What should be checked after installing K&N 85-1120?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
- Drill 0.50 inch hole in air filter base or valve cover as needed.
- Secure with included gasket and mounting hardware for airtight fit.
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