Price is for a 5 Pack, which will replace all the 1-way check valves on the FD. The OEM plastic 1-way valves split in half causing secondary boost not to function. The aluminum valve on the Purge Control also often fails internally.

Kynar® housing with Viton™ diaphragm. Will work with vacuum between 2" and 29" Hg and pressures from 1 psi up to 150 psi. Valve has a .5 lb. cracking pressure. 3/16” nipple.