"6mm Shank" 5.99mm Actual Size. 4.00mm to 7.03mm90mm Top Length144mm Pilot Length (5 11/16)Sunnen/Rottler Valve Guide Taper Pilot .236 TopSKU: Carbide Tapered 6mm Top$169.00PriceQuantity*Pre Order ETA 6 WeeksPre-OrderAvailabilityStocking Location: Plainwell MI 49080. Pre Order Availability Shown Per Product. Pricing Includes Import Freight, Tarrifs, and other Import Fees. Sales Tax May Apply.Warranty1 Year Limited Warranty