11,000 RPM Valve Spring Kit BMW M50 M52 S50 S52 Valve Size:6 mm Our heavy-duty iron sleeves offer

Our heavy-duty iron sleeves offer the reliability you need to maximize your engine's potential

BMW S58 Applications:

5 fits the E60 M5 Saloon

Release Sleeve Assembly

11,000 RPM Valve Spring Kit BMW M50 M52 S50 S52 Valve Size:6 mm Our heavy-duty iron sleeves offer5150 AutoSport Pro Xtreme Valve Springs Kit BMW M50 M52 S50 S52 Engines Maximize your engines potential with 5150 AutoSport Pro Xtreme Valve Springs, designed for BMW M50, M52, S50, and S52 engines. Whether you're building for high revving street performance or all out racing, these valve springs are built to handle engine speeds of up to 11,000 RPM with confidence. Available in two kit optionsone for 6mm valves and one for 7mm valvesyou get the