Dimpled Steel Motorcycle Oil Tank for H-D Sportster Big Twin and Universal Choppers Bung Type_Tophat coped steel bungs are 1"

coped steel bungs are 1" diameter and are drilled and tapped all the way through with 5/16"-18 thread

these fit 1-3/4" exhaust pipes

Sprocket Shaft Bearing Retainer with Lip Seal -

Some combinations of triple trees

Dimpled Steel Motorcycle Oil Tank for H-D Sportster Big Twin and Universal Choppers Bung Type_Tophat coped steel bungs are 1"Not all oil tanks are created equal. Lowbrow Customs makes the best possible oil tank for your Harley Davidson Sportster, Big Twin (Panhead, Shovelhead, Evo, Twincam), or any other make motorcycle. Why are ours the best? Our motorcycle oil tanks feature three mounting points, two top and one bottom, to ensure that you have secure and stable mounting. This is only important if you actually ride your motorcycle; we do, and these tanks are road tested