Porsche ARP 204-4206 Custom Age 625 Porsche 911 Head Stud Kit Inc. Nuts & Washers | 204-4206 901-505-093-20 The design of the case

The design of the case is based on the original seat design from the Porsche 356

Radiation resistant

Porsche Clutch Disc for 911 Turbo (2007-2009) models

Please note this item cannot be used on models that have an M450 Ceramic Brake Disc

Porsche ARP 204-4206 Custom Age 625 Porsche 911 Head Stud Kit Inc. Nuts & Washers | 204-4206 901-505-093-20 The design of the casePorsche ARP's Custom Age 625 Porsche 911 Head Stud Kit fits all air cooled Porsche 911 engines from 1965 through 1998 and 2. 0 through 3. 8 911 including 930, 964, and 993 models. ARP's head studs are proven and tested for a lifetime of reliability and performance and are required for use with Nickies cylinders. (ARP or equivalent upgraded head studs can be used where OE head studs are not compatible or recommended). ARP Pro Series cylinder head studs