2020-2024 Chevrolet/GMC L5P Duramax Fuse Box Cover Ink Black HSP Diesel intercooler BigHead opens the wastegate and

BigHead opens the wastegate and holds its position

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2020-2024 Chevrolet/GMC L5P Duramax Fuse Box Cover Ink Black HSP Diesel intercooler BigHead opens the wastegate andThe D 643 2 HSP, also known as the HSP Fuse Box Cover, is a precision crafted upgrade for 2020 2024 L5P Duramax trucks, combining performance, protection, and style. Designed to clean up the engine bay and replace faded factory plastic, this sheet metal fuse box cover is fabricated from CNC bent aluminum and TIG welded for exceptional strength and durability. The cover overlays the factory plastic fuse box lid, eliminating worries about water