For drilled and slotted rotors it is important to pay attention to which is the left and right rotor. Stoptech sport slotted rotors are machined with slots crossing the vanes not parallel to them.
Nakamoto Rear Ceramic Brake Pad Performance Drilled Slotted
Slotted rotor direction of rotation. But here is what we recommend. Unless the vehicle manufacturer specified otherwise rotors with directional vanes are to be installed so that at the top edge of the rotor the vanes sweep toward the back of the car fig. Powerstop official channel 12k subscribers. We cut one for the left side and one for the right side. Left side driver side right side passenger side. This is done to help pinwheel the heat gases water dust debris etc away from the center of your breaking system.
Stoptech 126 slotted sport rotor installation direction 1. We do machine our rotors directionally. Bottom line dont use the slots to decide which side to mount the rotor. We are often asked if there is a left and right rotor or if they can used for either side. For rotors with slots machined in the opposite direction as the internal cooling vanes the slots should lean toward the front of the car. Luckily if your rotors are not labeled there is an easy way to tell.
For rotors with slots machined in the same direction as the internal cooling vanes the slots should lean toward the back of the car. There is no wrong or right direction when installing your drilledslotted brake rotors. The slot designs of power slot rotors are angled to use the rotors direction of rotation to enhance performance. Brembo sport slotted brake rotors are sold in axle pairs and the easiest way to verify correct usage is to install the rotors on the side of the vehicle that results in the end of the slot nearest the outer edge of the rotor always contacting the brake pads first i guess turbo import labeled them wrong. Your best bet is ebc slotted and dimpled rotors. The slots must rotate from the inside out otherwise youd be scooping heat and brake dust back toward center of the wheel bearing.
This makes them side specific with left side drivers and right side passengers rotors.