Product Description
The Vanson Leathers Universal Engine Diaper is a lightweight, race-proven containment system designed to help retain oil and debris in the event of engine failure on high-performance sportbikes.
Key Features:
- Universal fit for most Japanese drag bikes
- Durable composite construction: Nomex / ARAMID / FR-polyester / Cordura
- Brass hardware for strength and reliability
- Easy install and quick removal
- Lightweight design – only 19 oz
- Mesh bag for replaceable absorbent material (3M Oil Pig cloths recommended)
- Measured flat: 21” L x 13” W
- XDA / Man Cup Approved
A must-have safety upgrade for serious drag racing setups, helping keep oil and debris contained when it matters most.
Note: Will NOT fit stock motorcycles with a street-style exhaust system—requires a sidewinder exhaust and flat billet oil pan.


