Atro Polyurethane Hood Mount for Kenworth T300, T400, T600 and T800 Dimensions: Length: 3" Small Outside Diameter: 1" Large Outside Diameter: 1 1/2" Misc.: Stud Size: 5/16"-24 x 1 3/4" Part Cross Reference OE Manufacturer	OE Part	Application Info Kenworth	VBM4010	Kenworth T300; T400; T600; T800