4 puck sintered metallic material which has a higher thermal capacity than organic friction material. Rigid center hub. Aggressive start performance. Direct replacement for the oe clutch disc. Made in Germany by zf sachs race engineering. Weighs: 2.42 lbs. (1.1 kg) please note: due the aggressive start performance of the sintered disc, we do not recommend this disc for street cars. We also recommend that you purchase a sport / racing pressure plate in conjunction with this disc. This can fit the rs cars but we would recommend the 962 disc, part # FVD 116 838 for the 964 and 993 rs models. The sachs racing clutch discs with sintered metal plates have a higher friction coefficient than plates with organic frictio...(choose a part on the right to read more)