Dwyer Slack Tube Manometer for 53 & 71 Series 2 cycle Detroit Diesel maintenance

Rare New Old Stock Dwyer Slack Tube Manometer for Series 53 and 71, 2 cycle Detroit Diesel Engines in rare “NEW IN BOX” never used condition. Absolute must for proper maintenance of vintage Detroit Diesel engines used in truck, bus, marine, stationary, generator and agricultural applications. Includes instructions and all original fluids in original packing. […]