Longacre SMI Tach Warning LT and LED BKLT 4-1/2in AS02221 68:1 low gear ratio is

68:1 low gear ratio is perfect for all dirt and asphalt applications

Internal seals are a ∩ ¼Ã©uoroelastomer material which is resistant to all known fuel

1971-1974 Chrysler Newport

and roller cam engines during the critical break-in process

Longacre SMI Tach Warning LT and LED BKLT 4-1/2in AS02221 68:1 low gear ratio isSMi? 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