- About This Product
The Auto Meter Pro Comp diesel tachometer with memory recall is the answer to your engine monitoring needs if you are drag racing your Ram Cummins truck.
The patented air core meter movement, wound in house to exacting standards, can move the needle from 0-6,000 rpm in 333 milliseconds. An ultra bright LED shift light guarantees you hit your shifts perfectly, every time.
NOTE: Modifications to harmonic damper required. Instructions included.