Description
Peterson fluid mandrel step washers are essential hardware for securing mandrel bends and maintaining consistent pressure distribution in fuel system applications. This aluminum washer provides reliable clamping surface for AN fittings, preventing fluid leaks and vibration-induced loosening during high-performance operation. Choose the correct size for your mandrel setup to ensure proper fitment and seal integrity.
- 1/2 in ID
- 2-1/2 in OD
- Aluminum construction
- Natural finish
- Peterson mandrel compatible
- Sold individually









