Quick Release Fitting to 5/8" Barb 90 Degree Factory 5/8" Valve Cover Connection (Plastic) BQF-090-10-10 - Connect your factory LS, Coyote, LT, Gen 3 Hemi valve cover and intake to rubber hose for your catch can / oil separator. - Features: Quick Disconnect for 5/8" (15.95mm) SAE J2044 Style Connection; 90 Degree Bend; Barbed Hose End; Lightweight.