20-1215 FCST-X LIFT PUMP MOUNTS

Ferrea Spring Seat Locators are crafted from robust 4140 chromoly alloy

E60 / E61 535xi

allowing for smooth

BMW M40/M42/M44 Valve Spring Kit, Pro Xtreme Valve Size:7 mm 20-1215 FCST-X LIFT PUMP MOUNTS5150 AutoSport Pro Xtreme Valve Springs for BMW M40 M42 M44 Engines Maximize your engines potential with 5150 AutoSport Pro Xtreme Valve Springs, designed for BMW M40 M42 M44 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 flexibility to match