Extang Endure ALX delivers a precise factory fit for 2019-2023 Chevy Silverado and GMC Sierra 6.6 ft beds.

• Engineered exclusively for 2019-2023 Chevrolet Silverado and GMC Sierra trucks with 6.6-foot beds to eliminate gaps and ensure flush alignment.
• Measures 84 inches long by 30 inches wide by 10 inches high to cover the full bed opening without overhang or shortfall.
• Weighs 76 pounds for easier one-person lifting during installation and removal compared to heavier covers.
• Model ext80457 matches the exact bed dimensions and cab configurations of the specified Chevy and GMC trucks from those model years.
• Designed as a direct-fit replacement that maintains compatibility with factory bed rails and tailgate operation.
• Provides weather-resistant coverage to protect cargo from rain, snow, and road debris throughout daily use.
• Built under the Extang brand with attention to long-term durability under normal truck conditions.