Ferrea BMW N54 Single Spring Kit

SKU: KT4026

Ferrea BMW N54 Single Spring Kit

The Ferrea BMW N54 Single Spring Kit, the premier choice for enthusiasts and racers seeking unparalleled performance, reliability, and durability. Engineered by Ferrea Racing Components, a global leader in high-performance valvetrain solutions for over 50 years, this kit is meticulously designed to outperform all competitors, delivering race-proven technology for your high-revving BMW N54 engine. Whether you’re rebuilding for street dominance or crafting an all-out race machine, the KT4026 is the definitive solution to prevent valve float, binding, or breakage, ensuring your engine performs at its peak under the most demanding conditions.

Why Choose the Ferrea?

• Performance: Crafted from premium-grade alloy with advanced thermal treatment, these valve springs offer unmatched load and stress distribution, allowing your engine to handle high RPMs and aggressive cam profiles without compromise. Say goodbye to valve float and power loss, and hello to maximum power output.
• Durability: Ferrea’s heat-treated and stress-relieved springs are built to withstand extreme racing conditions, dramatically extending spring life and ensuring consistent performance over time.
• Precision Engineering: Each component is CNC-machined to exact tolerances, providing perfect fitment and stability for your BMW N54’s valvetrain. This kit is trusted by professional racers and tuners worldwide, sold in over 30 countries.
• Quality: Unlike cheaper alternatives, Ferrea’s reputation for excellence is unmatched. With rigorous quality control and race-proven designs, the KT4026 is the gold standard for valvetrain upgrades, offering reliability that cheaper options simply can’t match.
• High-Performance Builds: Ideal for high-lift, high-RPM applications, this kit ensures your valvetrain keeps up with aftermarket cams, delivering the stability needed for aggressive tuning and racing.

What’s Included?

This comprehensive kit includes everything you need to upgrade your BMW N54’s valvetrain for maximum performance:

• Single Valve Springs (Part #S10158): 24 pieces, designed for high-RPM stability and to prevent valve float, binding, or breakage.
• Titanium Retainers (Exhaust Side, Part #E11130): 12 pieces, lightweight and CNC-machined for superior strength and durability.
• Titanium Retainers (Intake Side, Part #E11131): 12 pieces, optimized for precise fitment and long-lasting performance.

Vehicle Fitment

The Ferrea KT4026 Single Spring Kit is specifically engineered for the BMW N54 3.0L DOHC 24-valve engine, ensuring perfect compatibility with the following models:

• BMW 1 Series E82/E88 (2008-2013): 135i, 1M
• BMW 3 Series E9X (2006-2012): 335i (2007-2009), 335xi (2007-2009), 335is
• BMW 5 Series E60/E61 (2004-2010): 535i (2008-2010), 535xi
• BMW X Series X6 E71 (2008-2014): xDrive35i (2008-2010)

Why Ferrea is the Best Choice

The Ferrea KT4026 Single Spring Kit stands above the competition due to its race-proven design, premium materials, and meticulous craftsmanship. Unlike stock valvetrain components, which can bind, break, or suffer from valve float at high RPMs, Ferrea’s advanced engineering ensures your engine performs flawlessly, even in the most extreme conditions. Backed by Ferrea’s legacy of excellence and trusted by motorsport professionals worldwide, this kit is the ultimate upgrade for your BMW N54.