RPC Air Cleaner Adaptor is designed to reduce a 5-1/8 inch air cleaner opening down to a 2-5/8 inch neck, making it a practical solution for fitting a wide range of carburettor and induction setups. It provides a secure transition point for air cleaner installation, helping achieve the correct fit when standard sizes do not match.

Manufactured for performance applications, this adaptor is ideal for custom builds, engine restorations, and workshop use where a precise air cleaner mounting solution is required. Its compact design makes installation straightforward while maintaining a clean and functional appearance under the bonnet.

With dimensions of 9 x 8 x 2 inches and a lightweight 0.5 lb construction, this adaptor is easy to handle and suitable for a variety of engine bay configurations. It is a simple yet essential component for completing an air cleaner setup with confidence.

Features & Benefits

• Converts a 5-1/8 inch air cleaner opening to a 2-5/8 inch neck
• Helps achieve a secure and accurate air cleaner fit
• Suitable for custom, performance and restoration applications
• Compact size supports easy installation in tight engine bays
• Lightweight design for convenient handling and fitting
• Ideal for matching air cleaner components when sizes differ