Boyd 350 Series Aluminum CNC Machined Cap is precision machined in-house from USA 6061-T6 Bar stock. It features a custom Viton seal, stainless chain with crossbar for a heavy duty quality cap that will last a long time and looks amazing.
MATERIAL = 6061 T6 Aluminum
THREADS = 5TPI Modified Buttress
CAP OD = 3.97" +/-
GASKET = YES VITON
LANYARD = YES, 8" LONG STAINLESS STEEL W ALUMINUM CROSSBAR
VENTED = YES / NO DEPENDING ON SELECTION
*Vented Cap Disclaimer Our Open Vented Cap is simply a machined groove bypassing the gasket on the underside of the cap. It will leak. We suggest utilizing a NON Vented Cap with a dedicated vent port on your tank
