The harden rubber bushings are made of high strength and anti-crack rubber materials to limit unwanted powertrain movement and twisting when accelerating and shifting, resulting in less vibration and greater power transfer to the wheels.. Eliminate unwanted powertrain twist & vibration. Provide greater power transfer to the wheels. OEM direct replacement  Note: Harden Rubber Equipped 2 PCS/SET  Fits: Nissan Z 5th Z33 2002-2008 Nissan Z 6th Z34 2008-2021 Nissan Skyline V35 Nissan Skyline V36 Infiniti Q45 3rd F50 2001–2006 Infiniti QX70 / FX Series S51 2008-2017 Infiniti QX70 / FX Series S50 2002-2008 Infiniti G series 2002-2006 V35 Infiniti G series 2006-2014 V36 Infiniti Q70 / M Series 2005-2010 Y50