AutoMeter Sport-Comp II Tachometer - 3-3/4 in. 61-61 PLUS They increase the manifold plenum

They increase the manifold plenum area and provide the maximum thermo barrier between the manifold and carburetor

and 1/2" NPT adapters)

machined so they can be tightened without binding

Tan textured finish which can be painted to match your interior if desired

AutoMeter Sport-Comp II Tachometer - 3-3/4 in. 61-61 PLUS They increase the manifold plenumSince 1957, AutoMeter has set the standard in performance, accuracy and durability with their legendary Tachometers. The absolute pinnacle of engineering and technology, it's no wonder AutoMeter can lay claim to more motorsports victories than every other gauge manufacturer combined. The patented air core meter movement, wound in house to exacting standards, can move the needle from 0 10,000 rpm in 333 milliseconds. An ultra bright LED shift light