Engine tune up for for 911S models (1974-1977) with a 2.7L engine. This kit includes (1) alternator v-belt, (1) oil filter, (1) distributor cap, (1) distributor rotor, (1) distributor condenser, (1) ignition point set, (1) oil sump gasket set and (6) spark plugs. Please note that this kit fits models with a Bosch distributor, if you have a Marelli distributor please call 888-986-4466 for more details.