Introducing the Rotary 172 Governor Spring - the perfect replacement part for your small engine. This high-quality spring is designed to improve engine performance and ensure smooth operation. With a part number of 172, it is compatible with a variety of engines. Say goodbye to engine troubles with this durable and reliable part from Rotary. Keep your equipment running like new with the Rotary 172 Governor Spring. Enhance your outdoor experience with this essential part - perfect for lawn mowers, trimmers, and other small engine equipment. Trust the brand that has been providing top-notch replacement parts for over 90 years. Upgrade your engine with the Rotary 172 Governor Spring today.