Description
A properly functioning valve cover breather system is critical for engine longevity and performance—it prevents pressure buildup that can damage seals and gaskets while reducing crankcase emissions. The Moroso U-Weld aluminum breather kit delivers reliable, efficient crankcase ventilation with a compact design that integrates seamlessly into custom or modified engine builds. This is an essential upgrade for any serious engine builder looking to protect their investment and maintain consistent performance.
- Material: Aluminum construction
- Design: Weld-on mounting
- Shape: Round breather
- Bung size: 1 inch threaded
- Filter type: Clamp-on
- Configuration: Complete kit
- Fitment: Universal (fabrication required)
- Installation: Professional welding recommended
- MPN: 68853








