You are buying one #8 #8 O-ring Boss too 3/8" NPT.
Lowrider Hydraulics #8 to 3/8"m to #8 jic tee fittings, Chrome, 2 pack
LOWRIDER HYDRAULICS 8'' Chrome Cylinders (Fat) 3/8'' port
Lowrider Hydraulics 8 Accumax solenoids,DC 12V, 10A-F1025A,HD, double studs, new
LOWRIDER HYDRAULICS 8'' Black Cylinders (Fat)
Lowrider Hydraulics #8 (1/2") Nuts and Sleeves for hard line, chrome, 10 sets
LOWRIDER HYDRAULICS #8 ZIG ZAG Slow Down Chrome
