For use with 2, 3 and 4 cylinder 4 stroke engine

Includes manometer fluid, 5mm adapters, in-line restrictor and instructions

Spill-proof design, can be stored horizontally or vertically

Precise four channel vacuum indicator for intake synchronization

New mercury free design

No adapters needed for most Kawasaki models

6mm adapters available separately for most Yamaha models

5mm adapters fit most Honda and Suzuki models