Engine oil filler cap SRT model KT1, are studied, designed and manufactured in Italy with aluminum alloy anticorodal 6060 is completely machined from a solid by machining with CNC lathes to ensure maximum precision and finishing. All our oil filler caps have a superficial LIV (smooth treatment) and finishing with anodizing treatment lasts, this protects them from wear by both the Allen wrench to screw that by time and weather conditions. The engine oil filler caps KT1 fit perfectly into the seats and replace the original cap without modification, are supplied without o-ring which can be recovered from the original plastic cap. Available colors: gold - red - blue - black - green