Vintage Sun 3,500 RPM Tachometer - Model D-1 D1 - Excellent Condition Please see all pics. Shipped within one day of payment. ************ This vintage Sun tachometer is a must-have for any car enthusiast. With a 3,500 RPM measurement, it's perfect for measuring the speed of your engine. The unit of measure is in RPM, and it's designed with a vintage style that adds a touch of nostalgia to your car's interior. The tachometer is a great addition to your car's gauges, and it's compatible with a variety of car and truck models. Whether you're a collector or simply looking for a unique piece for your car, this Sun tachometer is an excellent choice.