AutoMeter Old Tyme In-DashTachometer - 3-3/8 - 8000 RPM Ignition Coil-On Plug Bracket place the correct size feeler

place the correct size feeler gauge beneath the ground strap then tighten knob to set plug gap

2019 Chevrolet Silverado 1500 4WD

Designed for use with 1-3/8" quick turn springs

1975-1986 Chevrolet P20

Extra Long Angle Cut Gauntlet

AutoMeter Old Tyme In-DashTachometer - 3-3/8 - 8000 RPM Ignition Coil-On Plug Bracket place the correct size feelerSince 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 inaugural inductee to the Hot