No Drill Antenna Mounting Plate, Fits 2021 Chevrolet Silverado 3500 w/o Spoiler, Permanent New This unarmored unit features a

This unarmored unit features a standard entry thread of 3/4" NPT and a minimum/maximum cable diameter of 0

An accessible bracket is available for mounting a license plate with the lighting system

large parking lots

Zoomed in view of the LEDLB-32E illuminating the Larson Electronics sign

137-M1981 Amperage: 0

No Drill Antenna Mounting Plate, Fits 2021 Chevrolet Silverado 3500 w/o Spoiler, Permanent New This unarmored unit features aSpecifications Additional Information VMP AM GM SLVD 2021 3500 C Mounting Plate for Antennas Ratings Features: Type: Mounting Plate Durable Construction Compatible Truck Models: 2021 Chevrolet Silverado 3500 WITHOUT SPOILER Aluminum Mounting Plate & Bracket Frame Material: Aluminum Works with Most Antennas Mounting Plate Material: Aluminum Weatherproof Seal Bracket Material: Aluminum Made in the USA Weight: 3 lb Windload: Highway Speeds Weight