Blue Sea 8239-BSS AC Digital Frequency Meter, 40-90 Hz, 80-249V AC MELMIC3 Spark plug set 816761Q3 is

Spark plug set 816761Q3 is for use on V8 MerCruiser (RH) engines (305 and 350 CID)withThunderbolt IV ignition systems (1981-1993)

Improved digital sonar design provides extraordinary target definition and deep water performance

ensuring logevity

Manufacturer Part Number 9353-BSS Key Features

pre-plotted courses

Blue Sea 8239-BSS AC Digital Frequency Meter, 40-90 Hz, 80-249V AC MELMIC3 Spark plug set 816761Q3 isThe Blue Sea 8239 BSS AC Digital Frequency Meter, 40 90 Hz, 80 249V AC supports accurate monitoring or measurement of an onboard electrical system. Splashproof front; Displays frequency from 40 to 90 Hz. Product Information Manufacturer Part Number 8239 BSS Key Features Splashproof front Displays frequency from 40 to 90 Hz Manual sleep mode Three display brightness levels 3 levels of display brightness Displays frequency from 40 to 90 Hertz