SPC Performance Early GM Metric B/JointUse this stock height replacement ball joint in SPC's adjustable upper control arms, p n's 94305 and 94320. This GM metric midsized balljoint will also fit SPC's bolt in plates, p n's 92006, 92008, and 92009. It is equivalent to Moog #5108. Want to improve camber curve or arm clearance? Consider SPC's 1 2" extended length balljoint, p n 94019. California Residents WARNINGThis Part Fits: Year Make Model Submodel 1973 1974 Buick Apollo Base 1973 1977