GlowShift White 7 Color 60 PSI Turbo Boost Gauge Kit - Includes Mechanical Hose & Fittings - White Dial - Clear Lens - for Diesel Trucks - 2-1/16" 52mm - Walmart.com
So, I've had this question for a while… my 1997 F-350 is a ZF5 speed manual, not exactly sure what (diff)gears it has. As you can see, 55mph in 5th gear is
Amazon.com: Faymizsa Diesel Tachometer 6000 RPM Electrical Tachometer Gauge 52mm 2-1/16" for Diesel Motor Alternator : Automotive
iCarsoft HD V3.0 Heavy Duty Diesel Truck Diagnostic Scanner Tool Code Reader Freightliner Cummins - Walmart.com
1989 HMMWV diesel for sale by owner - Brewster, NY - craigslist
Amazon.com: MOTOR METER RACING Universal Diesel Tachometer for Alternator W Terminal 85mm 3-3/8" 4000 RPM Black Dial in Dash 12/24 Volt : Automotive