Porsche 986/987/996/997 M9 Rod Bolt Kit.A must when rebuilding any 1997-2008 M96 or M97 engine to prevent costly rod bolt failures.SET OF 12Fits:Porsche 986 Boxster 1997-04Porsche 987 Boxster MKI 2005-08Porsche 987C Cayman MKI 2005-08Porsche 996 Carrera 1998-05Porsche 997 Carrera 2005-08..