gas and dust builds up between the pad and rotor surfaces and inhibits performance. Here's where Power Slot's slotted brake rotors make a big difference. Power Slot's exclusive Vac-U-Slots are machined into the rotor and help evacuate gasses and dust, our Vac-U-Slot helps push water off the braking surface for better stopping power. For most late model truck and SUV applications and select sports cars. and keep the brake pad surface clean. And in wet, the used friction material turns into a fine dust. This boundary layer of heat. raining conditions, shed heat, Power Slot 126.40041CSL Slotted Brake Rotor: Automotive. Buy Power Slot 126.40041CSL Slotted Brake Rotor: Rotors - ✓ FREE DELIVERY possible on eligible purchases. CENTRIC PARTS 126.40041CSL POWR SLOT ROTOR 。 Brand New in the Box 。 Installation Instructions Included 。 Excessive heat can cause resins in your brake pad to vaporize or "outgas." As the brake pad wears, we also use a special Power Alloy metallurgy and directional cooling vanes to improve high temperature performance. 。 。 。.