The 7512 Engine Timing Kit provides the essential tools required to check and set the engine timing on the Porsche 911(996,997), Boxster (986,987) and Cayman (987) 2.7, 3.2, 3.4, 3.6 & 3.8 engines. Porsche Applications include: 911 (2001 to 2008), Boxster (2002 to 2011), Cayman (2006 to 2009)Engine applications: M96/03, M96/05, M96/23, M96/25, M97/20, M96/24, M96/26, M97/01, M97/21, M97/22. Equivalent to OEM tools 9685, 9686, 9595 & 9595/1. Use in accordance with OEM instructions