NM Rotors are direct replacement rotors. The internal vane structure, overall diameter, thickness, and mounting specs are identical to stock rotors.
Dimension: 316 x 22 mm
Available only in the Slotted pattern.
Price is for a pair of one left and one right.
Cryogenically treated rotors are available for Slotted patterns for an additional $60/pair.
Sorry, no warranty on rotors.