Tester is used.
Vintage Hawk Classic Car Engine Compression Tester
Vintage RAC Rotating Dial Engine Compression Tester Seal-Kwic Model 1539 EUC
Vintage RAC Rotating Dial Engine Compression Tester Model 1539
Vintage Allstate 14826-1 Engine Compression Tester Gauge 0-300 lbs Made in USA
Vintage RAC Rotating Dial Engine Compression Tester #1535 Original Box USA 224
Vintage Pre-Owned DIXSON Engine Compression Tester Gauge 0-300 PSI Made in USA