
BMW 135i E8x / 335i E9x N54 Ferrea Valve Springs and Retainers Kit
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€ 895.87
€ 1378.26
Ex Tax: € 895.87
Price in reward points: 89587
- Availability: 2-3 Days
- Part Number: KT4026
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- EC Approved: NO
- Location: Shipped from the EU

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This Ferrea Racing valve spring kit is designed for the N54 engines featured in the BMW 135i E8x and 335i E9x models. It includes a comprehensive intake and exhaust set, equipped with precision-wound valve springs and titanium retainers. This kit is ready for installation with any type of valves and ensures optimal performance and safety for your built cylinder head, even under high pressure, high RPM, and high temperature conditions.
Direct bolt-on installation
Complete 48-piece kit
Includes 24 valve springs for both intake and exhaust
Features 24 titanium retainers for both intake and exhaust
Proudly made in the USA
2025 - This material is exclusively copyrighted and reserved



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