The Stainless Steel Engine Brake Switch Plate is a practical and durable accessory for 1987-2000 Peterbilt 370 Series trucks. Made of high-quality 304 stainless steel, this switch plate is built to last. It features an on/off switch and is sold individually. Designed to fit most 1987-2000 Peterbilt 370 Series makes and models, this switch plate is a reliable and functional addition to your truck. Upgrade your engine brake system with this stainless steel switch plate for enhanced performance and longevity.