Longacre SMI Tach Black Tach 4.5 in w/Black Panel PD135K Maintains proper alignment under extreme

Maintains proper alignment under extreme conditions on the street

909 in Thick

Does not fit vehicles with the Adaptive Ride ControlVehicle Applications: GMC: Sierra 1500 19 - 21

150-350 lb/in Spring Rate

Available with patent pending multi-tether system to enhance side to side movement

Longacre SMI Tach Black Tach 4.5 in w/Black Panel PD135K Maintains proper alignment under extremeSMi? 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