This is a new Casper’s Electronics Knock Gauge designed for the Turbo Buick community. A clean, period-correct add-on for monitoring detonation on 1986–1987 Turbo Buicks running performance chips, alky injection, or higher boost levels.
🔵 Blue Dot – New / NOS with light shelf wear 🔧 Compatibility: • 1986–1987 Buick Regal Grand National • 1986–1987 Buick Regal T-Type & Turbo-T • 1987 Buick GNX • Universal 12V performance applications
📦 Includes: • Knock Gauge (white face, black bezel) • Wiring pigtail & hardware (as pictured) • Original box
Condition Notes: • Light shelf/storage wear on bezel and casing • Box shows aging but intact
Why You Want It: Detonation kills head gaskets and pistons. Casper’s knock gauges are known for their reliable LED-based knock indication and plug-and-play simplicity. A great period-correct monitoring solution without going to a full digital dash.
All items are sold as-is, with no returns or exchanges. Buyer is responsible for verifying compatibility with their exact setup.
