Set of 8 Spark Plugs known to fit:
Ferrari:
360 Challenge (2000)
360 Challenge Stradale
360 Modena
360 Spider
F430 Challenge (2006)
F430 Coupe
F430 Spider
430 Scuderia
430 Scuderia Spider 16M
Maserati:
3200 GT / Assetto Corsa
4200 Coupe (2002-2004) CC
4200 Coupe (2002-2004) GT
4200 Coupe (2005-2007) CC
4200 Coupe (2005-2007) GT
4200 Spyder (2005-2007) CC
4200 Spyder (2005-2007) GT
GranSport Coupe (2005-2007)
GranSport Spyder (2005-2007)
Quattroporte (2003-2007) DuoSelect