Upgrade the functionality and everyday usability of your 1982–2000 GM 6.2L or 6.5L Detroit Diesel Chevy or GMC truck with premium exterior parts built to work as hard as your truck does. Our selection of AMP Research exterior upgrades, including PowerStep electric running boards, rear BedSteps, and BedXtenders, makes getting in, out, and around your truck easier while adding a clean, modern look. These external components are engineered to improve access to the cab and bed, enhance safety, and maximize cargo space without sacrificing durability. AMP Research stands out from the competition with industry‑leading design, vehicle‑specific fitment, and rugged construction proven to perform in real‑world conditions. Whether you’re restoring a classic work truck or improving daily drivability, these exterior upgrades deliver dependable performance, smart functionality, and long‑term value for your GM diesel.
