Engineered to the Absolute Limit: The Hollow-Core Titanium Cap True supercar engineering is defined not just by what you see, but by what has been masterfully carved away. This Titanium Cap is a triumph of advanced manufacturing, machined entirely from a solid block of premium aerospace-grade titanium. While its stunning exterior finish instantly catches the eye, the true engineering marvel lies beneath the surface. To achieve the ultimate weight reduction, the cap is engineered with a completely hollow interior core. Achieving this radical, weight-saving architecture requires ultra-precise, state-of-the-art 5-axis CNC machining. What remains is an ultra-lightweight, high-strength masterpiece where every single gram of unnecessary mass has been aggressively eliminated. It is not just a cap—it is a showcase of elite motorsport manufacturing, designed exclusively for those who demand absolute perfection for their McLaren.