a – Without hooks; b – With hook; c – For configuration with clamped after muffler; d – For exhaust manifold; e – For inlet cones; f – See also SI-2ST-002; g – No longer in production; h – Replaced by Part No. 973546 + 973182 i – Replaced by Part No. 973546 + 973180, hooks have ot br ordered separately.
Engine mounted electric preheat system for easier cold weather start up. Consists of a 100 watt metal "Hot Strip" element which is epoxied to the bottom of the crankcase and a 50 watt band heater that is clamped around the oil tank, also includes harness, epoxy and a thermostat to keep oil from exceeding 150°F. FAA/PMA Approved. Works well if the cowling is covered and preheater is plugged in overnight.