No more burning fingers and hands. Just listen for the whistle to find the TDC compression stroke.
- Insert the flexible whistle alert into any spark plug hole and bump the engine until you hear the whistle blow
- Easily finds top dead center on compression stroke making it quick and easy to use
- Rubber nipple adapts to any spark plug thread size
- Flexible hose allows for reach in tight spaces
- Made and assembled in U.S.A.
- Insert the flexible whistle alert into any spark plug hole and bump the engine until you hear the whistle blow
- Easily finds top dead center on compression stroke making it quick and easy to use
- Rubber nipple adapts to any spark plug thread size
- Flexible hose allows for reach in tight spaces
- Made and assembled in U.S.A.