Porsche ARP 204-6002 Porsche 924/944/928/968 Rod Bolt Kit 204-6002 64453165101 the factory head studs are

the factory head studs are unable to perform satisfactorily under the increased expansion of an aluminum cylinder

Porsche Clear rear window glass for 914 (1970-1976) models

Porsche Dansk muffler for 911 Carrera models with 3

outstanding engine cleanliness

Compatible with Nikasil bores

Porsche ARP 204-6002 Porsche 924/944/928/968 Rod Bolt Kit 204-6002 64453165101 the factory head studs arePorsche ARP Porsche 924 944 928 968 Connecting Rod Bolt Kit. For use on Porsche 924 S (1986 to 1988), Porsche 944, 944S, 944 Turbo, 944 2 (S2) (1982 to 1991), Porsche 928 (1978 to 1995), and Porsche 968 (1992 to 1995). Don't risk a failure by reusing weak factory rod bolts. Upgrade to ARPs and never worry about your rod bolts ever again!