Spoon Sports - Japan Twin block caliper set The purpose is to reduce the weight of the unsprung mass. A genuine caliper 1 piece 5200 g Twin block caliper is 2400 g. Different diametric opposed 4 pots allow for subtle braking and control, dramatic improvements in tire grounding and followability due to weight reduction under the spring, greatly reducing the burden on brakes, tires, etc. It will be. EK 9, DC 2, DB 8 ('98 spec) can be mounted on the bolt and the brake pad also has the same shape EK 9 genuine. A large diameter brake rotor (45251 - 4H1014) is required to install on a vehicle with a genuine rotor of 282 mm or less. Large diameter brake rotor (45251 - 4 H 1014) and inner spacer (45250 - T 03 AAL) are required for EG 6, GE 8, GK 5. Brake rotor (45251 - EK 9 - 000) is required for ZF 1, ZF 2. For inquiries such as wheel matching, please contact our motor sports Gr for consultation. - - Remarks & special note Opposite calipers with a structure with a piston on the outside also have a wider width than the normal caliper, so there may be interference with the wheel depending on the mounting wheel. In that case, the spacer etc. are used to prevent interference, but if you use a spacer there is a possibility that the tire may overflow from the fender of the car body. When the tire protrudes from the car body, it becomes non-conformity to the vehicle inspection. First of all, please check whether it can be attached to the wheel used in the shop installed. For any questions, please contact our sales department.