ITEM NAME:Billet Steel Valve Cover Oil Cap Breather For LSX LS1/LS6/LS2/LS3/LS7 AN10 Description: Billet Valve Cover Oil Cap for LSX LS1/LS6/LS2/LS3/LS7 w/ -AN 10 Fitting. Valve cover oil cap is machined from solid billet aluminum. Will protects your engine and lets it breathe freely. Prevent oil seepage at the base of the adapter. The top of the adapter is machined to accept a -10 AN hose end to facillitate the installation of a custom crank case evacuation system, PCV system, or for use with a vacuum pump. Total adapter length is 2.00". Specification: Surface Finish:Anodized Material: Billet Steel Color:Black Mount Type: Screw-in Package Includes: 1 Piece Car Valve Cover Oil Cap Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you. SKU: DMO0000467252035168.Billet Valve Cover Oil Cap for LSX LS1/LS6/LS2/LS3/LS7 w/ -AN 10 Fitting. Will protects your engine and lets it breathe freely. Valve cover oil cap is machined from solid billet aluminum. Material: Billet Steel.