Longacre Accutech Digital Tachometer Manufacturer_AIM Make sure your engine is

Make sure your engine is still in the car when you cross the finish line

Formulated with a proprietary silicone-ester base

Comes complete with an adjustable integrated Sub-Bar for correct mounting of your 5 or 6 point harness system

Built with all the right stuff including Nomex cuffs

Longacre Accutech Digital Tachometer Manufacturer_AIM Make sure your engine isLongacre's AccuTech Digital Tachometer features state of the art electronics that allow for an accurate reading within 10 RPM. Weighing only 1. 5 ounces, the digital tachometer offers a fast response and easy recall of the MAX RPM. High RPM warning light helps prevent motor damage. The self powered unit (300+ hours via battery) can be optionally hardwired to the car and includes a protective mounting bracket.