Hilborn injection is just about the coolest thing ever, but keeping your engine clean is difficult while using them. Want an easy fix? These K&N Adapters (85-4600) will outfit your Hilborn-style injection system with the ability to run K&N universal filters (RD-4600) on each stack.
Features and Benefits:
- For 2-1/4" Eight-Stack Injection Systems
- Protects Your Engine
- Simple Installation
- Sold as an 8pc Set
Set of K&N Adapters for Universal Air Filters includes eight adapters to keep your engine well-protected, even when using your injection-stack setup. These adapters are easy to install and remove, and are made from durable heat-resistant materials.