All above products can be applied for standard lowrider hydraulics set and other industrial use. They are new and never been used before. Four 3/8"m to 3/8"m check valve value kit. There is a spring inside.
Lowrider Hydraulics 3/8" NPT male check valves, chrome, 5k psi, 2 pcs
Lowrider Hydraulics 3/8" NPT male check valves, chrome, 5k psi, 4 pcs
Lowrider Hydraulics 3/8" plug NPT for delta dump or tank, 2pcs, chrome Hex
LOWRIDER HYDRAULICS Schrader valve 1/8'' NPT
Lowrider Hydraulics 3/8" male NPT Check Valve, Chrome, 5000 PSI, 2 pcs, Durable
3/8" NPT to #6 JIC Steel Fittings Straights Lowrider Hydraulics Steel Zinc