Piper PA23-250 Aztec RPM Gauge/Tachometer Indicator P/N: 450-728 (25694)

Type: Indicator
Vendor: Piper

Piper PA23-250 Aztec RPM Gauge/Tachometer Indicator 

Part Number: 450-728 

As removed from a 1968 Piper PA23-250 Aztec. 

Used, not tested, sold as-is.