These finned 917 calipers are high quality German reproductions that use the original 43 mm pistons in the front and 38 mm in the rear. They are manufactured in high strength aluminum to aerospace standards. Features: motorsport-quality high strength aluminum with cooling fins to significantly reduce heat. Fabricated to aerospace standards. Reproduced to exacting specifications using the original caliper. Tested on europe 's most grueling tracks. Complete with high quality hardware included front pistons - 43 mm rear pistons - 38 mm black anodized for corrosion resistance and factory like appearance. Lightweight - caliber has 5,5lbs (2,5 kg) please note: matching brake discs should be 300 mm + - 3 mm for the front and 270 mm + - 3 mm. This will only fit the genuine or OEM rear guide arm of the 930 3.3 l, 3.0 l rs or rsr. Sold as a set. 1 necessary per car.

This item may need to be sourced from Germany and would take 2-4 weeks to arrive. Once ordered it cannot be canceled. Please call to check stock or request expedited shipping.