Features 95% air tightness to minimize leakage and improve overall engine efficiency Rigorously tested with less than 0.5% Failure rate for reliably and stable driving in your car Ideal for sports driving and racing conditions where engine optimization is important Also perfect for commuting, maintaining engine health during frequent stops Essential for professional auto repair shops servicing High silicone materials better heat / resistance than standard rubber, withstanding high working temperatures and pressures controlled for 50, 000km life, outperforming typical 30, 000 km alternatives Crafted from high temperature resistant silicone and composite that won ' t deform or age in extreme conditions Lightweight design allows quick installation without special tools for hassle less maintenance This valves cover breather hose effectively removes excess to reduce fuels consumption and boosting power output Ensures optimal engine under various driving conditions with perfect OEM fitment, Manufacturer: NMFLAB