This 40lb Gas Spring is a precision-engineered motion control device designed to provide smooth, controlled lifting. Built for durability in demanding environments, they offer consistent performance, corrosion-resistant construction, and maintenance-free operation, this gas spring combines strength, stability, and long-lasting support in a compact design. Applications Replacement actuator for SMART TABS models: ST980-40 ST1290-40 ST1610-160 For boats 12' - 16', 40 to 80 hp, 2 or 4 stroke RIBs, flats & bay, bow riders, fish & ski Features and Benefits Nitrogen gas cylinder using pneumatic technology Automatically reacts to water pressure, boat speed and payload Engineered to withstand harsh sea conditions and provide years of use Specifications 40 lb pressure rating Black nitrate casing treated with rubberized coating Sealed in an air-tight, chemical- and ultraviolet-resistant EPDM rubber boot Color-coded identification system Equipped with eyelet end fittings for ST Series SMART TABS with stainless steel trim plates Actuators and end fittings are removable, replaceable and interchangeable Completely assembled Average life expectancy 4-5 years with proper maintenance* Dimensions Assembled length 11" including end fittings Contents Assembled Actuator Components (2ea) EF-PS-140 - Eyelet End Fittings (1ea) RBS1006 - Rubber Boot (1ea) M5 - Red Zip Tie (2ea) M0 - Black Zip Ties (1ea) AHK792