Porsche CMS Side Cover - 930 76-88 CMS-930-SC 547052911S 924 (1980-1985) and 928 (1980-1982)

924 (1980-1985) and 928 (1980-1982) models

911 (1965-1983) and 912 (1965-1969) models

and 356C (1964-1965) models

Porsche Center main shaft bearing for C2/C4 (1989-1994)

Porsche Upper steering box seal for worm gear

Porsche CMS Side Cover - 930 76-88 CMS-930-SC 547052911S 924 (1980-1985) and 928 (1980-1982)Porsche The original Porsche 930 transmission differential side cover is made of cast aluminum, not to mention its pretty thin. Under load there can be a tremendous force applied to this cover, and it can break, sometimes resulting in a damaged ring and pinion or worse. Upgrading to a billet side plate will add significant strength and increased reliability to the differential section. Our design features include: A ring gear thrust bolt to reduce