For a 4 Cylinder engine: Set for 8 Cyl and double the reading.
Vintage Hawk 610 Diagnostic & Tuneup Analyzer 6 Function 8 & 6 CYL 9V Battery
Vintage 80s Hawk 6 Function Diagnostic & Tuneup Analyzer Tester Untested
Hudson hawk Diagnostic & Tune Up Analyzer 764
Hawk Diagnostic & Tune-Up Analyzer – Vintage Automotive Tester
Hawk Diagnostic & Tune-Up Analyzer For 6 or 8 Cylinder - UnTested (sold As Is)
Vintage Hawk Diagnostic & Tune-Up Analyzer – Model 746723A – Made in Taiwan
