BMW N55 S55 Ferrea High Performance Valve Kit

Product Details

Increase the power output of your N55/S55 engine with the high-performance Ferrea valve kit. Renowned as the industry's most reliable extreme-duty valves, they're meticulously crafted from aerospace-grade alloys, employing an exclusive two-step slow forging process for optimal grain flow and material structure integrity.

A 48-hour heat treatment and stress-relieving process enhance molecular integrity. The valves feature avionics-quality hard chrome and a specially applied hard tip. Standard size: 32mm intake / 28mm exhaust, with a triple groove valve design.

Compatible with factory valve locks ("Valve Keepers"), the kit includes 12x Intake Valves and 12x Exhaust Valves for a comprehensive engine upgrade!

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