Sea-Dog Gas Filled Lift Spring - 20" - 20#

The Sea-Dog Gas Filled Lift Spring – 20" – 20# is a precision-engineered gas strut designed to support hood, tonneau cover, and utility equipment lids on vehicles and RV installations. Built to marine OE standards, this lift spring delivers reliable upward force without the fatigue associated with traditional mechanical hinges. As someone who understands the demands of vehicle modification and maintenance, you'll recognize that quality gas springs are critical for both safety and longevity—they prevent sudden drops, reduce wear on hinge pins, and improve overall user experience in daily operation.

This 20-inch gas spring features a 20-pound lift force, meaning it provides consistent upward support across the full 20-inch stroke length without spring fatigue or sagging over time. Gas-filled technology uses compressed nitrogen to maintain uniform pressure throughout the extension cycle—far superior to coil springs that weaken progressively. The compact 1-inch diameter rod design fits into confined spaces, making it ideal for aftermarket hood installations, bed cover modifications, and custom RV storage solutions. At just 0.4 pounds, the minimal weight adds negligible mass while delivering robust structural support.

Mechanics and DIY builders consistently choose Sea-Dog gas springs when upgrading vehicle lids and access panels because they eliminate the need for manual prop rods and secondary support hardware. The 2-year warranty reflects manufacturer confidence in durability under repeated open-close cycles. Installation requires simple mounting brackets at both ends—a straightforward retrofit for truck tonneau covers, custom car hoods, and RV cabinet doors. Verify mounting hole spacing on your specific application before purchase to ensure proper alignment and full travel range.