Rahasia motor kencang menggunakan klep standar ( porting sitting klep )

The secret of a fast motor using a standard valve (ported sitting valve) of course the way ported is familiar to lovers of engine modifications, but not many people know about the width of the valve sitting which is good for escaping scrutiny see the video until it's complete so that you can understand what this video means, thank you Workshop: Tricca Motor mobile number: +6281321481205 Address: Wates, Kec Binong, Subang Regency, West Java, Indonesia facrbook:   / ginara.galih   Instagram:   / galihginara