This really does not look like it has been used much at all. Since I really have no way to test this, it is sold as is.
Vintage RAC Rotating Dial Engine Compression Tester #1535 Original Box USA 224
Vintage RAC Rotating Dial Engine Compression Tester Original Box Manual 1535
RAC MODEL 4039 ROTATING DIAL MOTORCYCLE COMPRESSION TESTER
VINTAGE RAC POWER TIMING LIGHT & RAC DWELL TACHOMETER (as is) untested read
Nos Vintage RAC Timing Light No 1537 Made In The USA Rite Autotronics 1972
Vintage RAC Timing Light Replacement Cartridge 764
