Cmb 0918 Opel Corsa A and B – 05/97 Uniballs (Suspension Ball Joint – Front) . Compbrake has brought these Nova Uni balls back by popular demand. Hardened material and tested to extreme conditions to out perform and last longer than any alike. Even by looking at the picture you can see the build quality. Dust Boot sealed, built up and ready to fit. Rally / Extreme use Nova Uniballs.