Aluminum Engine Case, 94mm bore with 8mm Case Studs Engine Case, EMPI H.D. Bubble TopSKU: 98-0454-B$1,543.61PriceQuantity*Add to CartPRODUCT INFOEMPI CNC Aluminum case, 94mm bore 8mm case stud size Full Flow Cleared for 86mm crankshaft Brand: Autolinea