10 pack of extremely bright LED 194 bulbs to light up the instrumentation of your classic truck. These are direct replacements for your originals 194 candescent bulbs. The unique design provides all round brightness without dead angles to achieve 360° lighting. Smart IC constant-current source supplies a stable current for each beads. It is an easy unplug and replace installation. Note: 1967-72 clusters take up to 9 bulbs and 73-87 clusters take up to 14 bulbs. Not to worry, 194 bulbs are common in automotive applications so just use the extras elsewhere.