Compatible with Porsche Camshaft Tool Kit - 911 & 914/916. Porsche Camshaft Tool Kit includes: 3762 - Porsche Cam Turning Wrench - 911 & 914/916 - Porsche Cam Turning Wrench has a deep double-D shape cavity for servicing classic models. It is required for countering the camshaft while simultaneously releasing opposed components. Applications: Porsche 911, Turbo, RS (1965-1986) & 914, 916 (1970-1976). Compare to Porsche Factory Tool #P202 or #000721202AF. 3764 - Porsche Camshaft Nut Wrench - 911 & 914 - Porsche Camshaft Nut Wrench is used for loosening and tightening the camshaft nut. The crows foot design socket is a 46mm with a ½” square drive. Applications: Porsche 911 & 914 (1965-1981). Compare to Porsche Factory Tool #P203.