Magnus McLaren High Pressure Upgraded Valve Springs for V8 M838 and M840

Description Magnus McLaren 720S Valve Springs (fits all McLaren V8 engines) M840T High-RPM Valvetrain Upgrade Engineered specifically for the McLaren 720S M840T engine and tis associated family, Magnus McLaren Valve Springs provide the valve control required for high-RPM, high-boost, and motorsport-level operation. Designed using Magnus’ proven race engineering philosophy, these springs eliminate the limitations of factory components when power and engine speed increase. Increased seat and open pressures ensure stable valve control with aggressive cam profiles, elevated boost levels, and sustained high RPM. Manufactured from premium materials and validated through real-world competition use, these valve springs are a critical supporting component for serious McLaren engine builds.  Eliminates common spring breakage found in all McLaren V8 engines.  Don’t rebuild your engine without putting a new set of valves springs! Features: Direct fit for McLaren 720S M840T engines Increased seat and open pressures Improved valve control at high RPM Eliminates common spring breakage associated with Mclaren engines Designed for high-boost and motorsport use Precision manufactured and race tested Applications: McLaren 720S McLaren 720S Spider All McLaren M838 and 840 V8 engines Part Number: MMCENG7210 Notes:Professional installation recommended.  32 New valve springs,  no retainers included.