Longacre SMI Tach Black Tach 4.5 in w/Black Panel PD135K 150-350 lb/in Spring Rate

150-350 lb/in Spring Rate

3 Chair Capacity

the 13129 EFI Bypass Regulator can handle high-flow EFI fuel pumps and the most aggressive street machines

909 in Thick

Longacre SMI Tach Black Tach 4.5 in w/Black Panel PD135K 150-350 lb/in Spring RateSMi? Stepper motor techometers use a small electric motor to drive the pointer. It is more precise than the more common 'aircore' instruments whose accuracy can be affected by the windings. Many professional race teams NASCAR?, etc. are switching to this style of tach for the improved accuracy and response (see the in car TV cameras). Longacre is an established brand name in the racing industry and is recognized for dedication to quality, innovation