A.B TDC Indicators
The sliding indicator to display the piston movement
1mm graduation marks to 50mm
Extended model 10.5"
Only can use on Hemi-Type engines
Manual use only and make sue the ignition is turned off before use.

C.D Compression Whistle Alert
Use on the Hemi-type engines
Easily find the TDC compression stroke
Just listen on the whistle alert.

E. Adapter 12 mm spark plug hole

F. Adapter 18 mm spark plug hole

G. Crank stop tool
Ignition is turned off
Manual use only
Make sure the valves are not open before use.
H. Gauge Indicated (optional assembly)