CP Pistons Harley Twin Cam, 107 cu in, 3.937 Bore, 4.375 Stroke, 7.667 rod, 11:1 CR, 85cc Head

"This item is currently on back order but available to be purchased as a pre-order. Your item will be shipped once it has become available. Please ensure you have contacted us for availability and you are ok with the lead time before placing an order.