
RACING DISC ROTORS are made of high-alloy high-carbon FC cast iron. Developed through repeated action-testing on the track in Super Taikyu and SUPER GT races, these rotors are made from a new material that has received high praise and earned trust in a broad range of competition.
| Material | High-alloy high-carbon FC cast iron |
| Slit | Straight / Eight slits per side; sixteen on both sides |
※RACING DISC ROTOR are designed for high braking performance rather than wear-resistance and silence. Therefore, brake pads may wear faster than normal and some noise may be emitted when braking.


| PARTS No. | PRICE | A | B | C | D | E | F | G |
| GR006R | ¥27,000 | 345 | 223 | 210 | 188 | 236 | 32 | 10.5 |
| GR006L | ¥27,000 | |||||||
| GR007R | ¥32,000 | 380 | 271 | 258 | 236 | 271 | 32 | 10.5 |
| GR007L | ¥32,000 | |||||||
| GR007-GTR | ¥32,000 | 380 | 271 | 258 | 236 | 271 | 32 | 8 |
| GR007-GTL | ¥32,000 | |||||||
| RBR007R | ¥32,000 | 380 | 271 | 258 | 236 | 271 | 32 | 8.5 |
| RBR007L | ¥32,000 | |||||||
| GR009R | ¥27,000 | 355 | 246 | 233 | 211 | 246 | 32 | 10.5 |
| GR009L | ¥27,000 | |||||||
| RBR009R | ¥27,000 | 355 | 246 | 233 | 211 | 246 | 32 | 8.5 |
| RBR009L | ¥27,000 | |||||||
| RBR010R | ¥27,000 | 345 | 246 | 233 | 211 | 246 | 32 | 10.5 |
| RBR010L | ¥27,000 | |||||||
| RBR011R | ¥27,000 | 355 | 246 | 233 | 211 | 246 | 28 | 8.5 |
| RBR011L | ¥27,000 | |||||||
| GR012R | ¥27,000 | 332 | 223 | 210 | 188 | 223 | 28 | 10.5 |
| GR012L | ¥27,000 | |||||||
| RBR012R | ¥27,000 | 332 | 223 | 188 | 210 | 223 | 28 | 8.5 |
| RBR012L | ¥27,000 |
Product specifications, prices, manufacture and sales are subject to change or termination without notice.

The round slits have a greater cleaning effect than their straight counterparts, and improve initial braking. Highly recommended for those that mainly do on-street “sport” driving.
With improved heat stability and durability, this middle-class model is Project Mu-developed using FC cast-iron. The fins feature an original radiating shape that increases heat release. Ideal for a wide range of driving scenarios from the street to the circuit.
This model employs a two-piece structure for superior durability, heat resistance and heat release. Using High-alloy high-carbon FC cast-iron, this model has improved its crack-resistance dramatically and is lighter than genuine parts, with the exception of models made for some vehicle types.
With a two-piece structure, a lighter body, better cooling efficiency and a floating configuration, the SCR-GT reduces warping and wobbling at high temperatures. The tension springs loaded in the joints help minimize unwanted noise during street driving without compromising the SCR-GT’s suitability for heavy use on the racing circuit. What’s more, the bell housing and bobbins have also been subjected to special treatment to minimize wear.
Even ill-used braking conditions, this slit rotor afford stable braking at all times and have a long life.