Commonrail valve springs 16v performance set Tech specs : installed height pressure - 36kg (+45% over stock springs ) 9mm lift pressure - 63 kg (+40% over stock...

Commonrail valve springs 24v performance set Tech specs : installed height pressure - 36kg (+45% over stock springs ) 9mm lift pressure - 63 kg (+40% over stock...

Forged connecting rods for M57 / M57N / M57N2 engine ( 136mm ) designed in X-Beam technology offering superior strength and rigidity thanks to their cross-braced design, minimizing...

  X20XEV dual valve springs set used for higher RPM and/or applying boost to the car . Tech Specs : Installed height pressure - 36 kg  10mm lift...

  Z20LEH dual valve springs set used for higher RPM and/or applying boost to the car . Tech Specs : Installed height pressure - 36 kg  10mm lift...

  Z20LET dual valve springs set used for higher RPM and/or applying boost to the car . Tech Specs : Installed height pressure - 36 kg  10mm lift...