The use of oil sump heaters in low temperatures decreases engine run-up time & helps avoid engine problems caused by cold startup. These high-watt, nonthermostatically controlled heaters give fast, 1 hr engine warm-up. The flexible silicone warmer pads are 1/32″ thick for quick warming and use a peel & stick adhesive. Wt: 10 oz. Heaters include all necessary installation materials. 120V 1 yr mfg warranty. FAA approved. SH2755G Applications: Continental A65-O200 SH375G Applications: Continental C125-O300, E165-E225. Lycoming O235, O290, & O320 (H2AD & Rear Carb).