Vacuum secondaries are activated by venturii velocity through the primary venturii and further aided by secondary venturii velocity. Engine/manifold vacuum is not related and has no effect on the operation of the carburetors secondary system.
Product Features:
Vacuum Secondary Diaphragm
No results
Feedback
Be The First To Know About Deals And Promotions.
Plus, create an account to receive $5 off of $20 or more.