For three decades, Superior Labs, Inc. (SLI) has supplied the aircraft OEM's with the finest quality and most reliable mechanical tachometers in the industry for new production aircraft and can be customized for a variety of aircraft applications. These are available to the public as aftermarket tachometers. 
  Approximate lead-time for non stocking product is up to 10 week. Please call to verify actual lead-time for your part. 
 
   Customize your range markings! Specify range marking requirements in the  special instructions box at checkout for PN's 10-03684; 10-03686; 10-03687; 10-03688.  |     |   Stewart Warner P/N  |    Average Cruise RPM  |   SLI P/N  |   Part Number  |     |  P-551-AZ  |   2300  |   SL1010-55000-11-N00  |   10-03684  |     |  SL1010-43000-11-N00  |   10-03686  |     |  Application  |     Aero Commander A9, A9A, A9B  Aeronca 15AC Sedan  Grumman/America AA1, AA1A, AA5  Beech C35, D35, E35, F35  Bellanca/Champion 7EC, 7FC, 7GC, 7HC, 7GCB, 7K, 7ECA, 7GCAA, 7GCBC, 7KCAB, 8KCAB, 260  14-19, Viking 300, Turbo Viking  Cessna 120, 140, 170, 180, 182, 185 w/IO-470 engine, 188, 336, 337  Lake C1, C2, L4, LA4SC, LA5  Mooney M20, M20A, M20D, 21, 200, 201, 202, 220  Piper PA12, PA16, PA18, PA20, PA22, PA23, PA24, PA28, PA30, PA32, PA39  Rockwell 112, 114  Taylorcraft 19, 14A, 20, 20AG, Zephyr |      
   |   Stewart Warner P/N  |    Average Cruise RPM  |  SLI Number  |    Part Number  |     |  P-551-TA  |   2566  |   SL1010-55000-14-N00  |   10-03687  |     |  SL1010-43000-14-N00  |   10-03688  |     |  Application  |     Beech, All Musketeer models, All Debonair models  Bonanza models G35 thru V35, V35TC, 36, A36, 95, B95, B95A, D95A  Cessna 150, 152, 172, 177, 185 & 188 (w/IO-520 engine), 206, 207, 310, 320  Hello: H250, H 391, H392, H395  Navion E, F, G  Stils: SA9A, SA9B |       |