Valve spring set, intake valve Suitable for: - Porsche 987 Boxster - Porsche 997 Cayman, model years 2005–2008 - Porsche 996, model years 1998–2005 - Porsche 997, model years 2005–2008 Manufacturer: HT Manufacturer number: 996 105 939 00 Porsche comparison number: 996 105 939 00 / 99610593900

Timing chain rail Suitable for Porsche 986 year 1997-2004 Porsche 996 year 1998-2005 Manufacturer : HT Manufacturer number: 996 105 173 53 Porsche reference number: 996 105 173 53

Camshaft Timer Suitable for : - Porsche 996 C2 / C4 / C4S, model years 2002–2005 - Porsche 997.1 (3.6 / 3.8 liters), model years 2005–2008 - Porsche 986 / 987 (2.7 / 3.2 / 3.4 liters), model years 2003–2008 - Porsche Cayman 987.1 Manufacturer : HT Manufacturer Part Number : 99610530306 Porsche Equivalent Number : 996 105 303 06 / 99610530306

Timing chain, endless Suitable for : - Porsche 996 3.4 M 96.1 / M 96.2 - Porsche 986 2.5 - 3.2 Chain links : 102 endless Timing chain dimensions : D67ZN Manufacturer : Febi Bilstein / Iwis Manufacturer number : 25393 Porsche comparison number : 996 105 177 52 / 99610517752 996 105 177 53 / 99610517753

Valve spring plate Spring retainer / spring retainer Suitable for : - Porsche 996 GT2 / 996 Turbo year of construction 2001 - 2005 - Porsche 997 GT2 / 997 Turbo / GT2 RS year of construction 2007 - 2011 - Porsche 955 Cayenne Turbo year of construction 2003-2006 Manufacturer : HT Manufacturer number : 996 105 121 75 Porsche reference number : 996 105 121 73 / 99610512173

Valve spring disc Spring disc / Spring disc Suitable for: - Porsche 996 3.4 and 3.6 - Porsche 986 Manufacturer : HT Manufacturer number : 99610512154 Porsche comparison number : 996 105 121 54 / 99610512154

Valve spring retainer / Spring retainer, lower Suitable for : - Porsche 996 3.4 and 3.6 - Porsche 986 Manufacturer : HT Manufacturer number : 99610514700 Porsche comparison number : 996 105 147 00 / 99610514700