Front Wagner American-made brake pads, SX edition, short for Severe Duty. Features: * Designed for heavy-duty use: Engineered for vehicles subjected to frequent stops, high heat, and heavy loads. * Carbon-infused Semi-Metallic friction material: Provides strong bite and good heat tolerance compared to pads designed for quietness and normal use. * Better resistance to brake fade during repeated braking and high temperatures. * Rigorous vehicle testing according to OEM-style tests to ensure performance in high heat and frequent stops. * OE-style design with chamfers, slots, and shims to help control noise, vibration, and pad wear. * Zero-Copper in the modern friction formula, which is better for environmental requirements and long-term component wear.