boost-machine-parts

Parts to order:
from http://www.metalwork.org/home.html
FRL family BIT 1/4 0-30 PSI valve

from http://www.norgren.com/usa/
1 x V07-200-NNAA (RELIEF VALVE) $20.65
1 x T55A2800 (CHECK VALVE 1/4 NPT) $10.60