11,000 RPM Valve Spring Kit BMW M50 M52 S50 S52 Valve Size:6 mm the 4A-G 16V is a

the 4A-G 16V is a favorite amongst engine builders and tuners for performance motorsport builds

Designed specifically for the BMW S50B30 EURO engine

Release Sleeve Assembly

5 fits the E60 M5 Saloon

This ARP Main Stud Kit is designed for the BMW B48 Engine

11,000 RPM Valve Spring Kit BMW M50 M52 S50 S52 Valve Size:6 mm the 4A-G 16V is a5150 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