Perhaps you just bought the car, or a timing belt change is due - either way, this is what you need. This is a genuine Renault timing belt kit with water pump. We sell these with the cylinder head end plugs 7700274026 and 7700106271 included.
Sadly this will not make your car faster - unless the old belt snaps...
Fits: Megane 250/265/275 including Cup, Cup-S, Trophy and Trophy R models
OE Renault part number: 119A06559R (consists of 130C13130R + 7701479043)
Unsure of fitment? Send me an email at mark@baguettepower.com and I can check it using your car's VIN number.