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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
FMIC.EU LS LSX LS1 LS2 LS6 LM7 4AN Steam Vent Hose Kit. Includes complete cooling system.
Installing steam vent hoses at all cylinder head points effectively reduces detonation in cylinders 7 and 8. This kit is essential for high-mileage engines and for units with increased power.
Compatibility: LS engine family: LS1, LS2, LS6, LM7 (not compatible with Fast Intake manifolds)
Features:
- Complete ventilation system for the front and rear of the engine
- 4AN stainless steel and anodized 6061 aluminum connectors with all fittings and hoses
- Lightweight design, maximum flow, no Teflon tape required
- Heavy-duty braided nylon hoses
Kit includes:
- 3 –4AN T-connectors (female-male)
- 4 –4AN steam vent connectors
- 7 –4AN hose end connectors
- Open-ended nylon hose for connection to the factory radiator steam vent port
Installation Notes: Some radiators are equipped with a 3/8" barbed fitting. Possible solutions:
- Apply WD-40 to the hose and press it firmly onto the barb. - Stretch the hose overnight or heat it before installation. - Use a –4 to –6 hose adapter with the appropriate fittings










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Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
You can contact our team via WhatsApp, email, or our website's contact form.
Shipping costs depend on the type of product, its weight, dimensions, and the destination country. In most cases, the amount is calculated automatically during the checkout process before the order is finalized.
For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.