The Peterbilt 389 Glider Sleeper Roof Acc. product line offers premium upgrades for enhancing appearance, functionality, and comfort. It includes stainless steel components like stand-up ultra-sleeper caps, wing mounting kits, and turbowings for better aerodynamics. Additional accessories such as flag holders, license plate frames, and exhaust tips allow for personalization. Whether you're seeking style or performance, this line has everything to elevate your 389 Glider.