Primer Kits are a cure for hard starting engines. Draws fuel from the fuel line to give the carburetor a blast of fuel for easy starting. Eliminates chokes and indirectly adds battery life. A must on stock to high performance modified carburetors, with eliminated chokes. Hot Products primers are assembled with only top quality materials. 9 foot of primer hose to fit most all watercraft. USA made top quality plunger, brass T fitting, spigot and plug, with caps and zip ties.