Harley OEM heads these heads have been ported and have S&S spring kit with S&S studs. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Cylinder Heads & Valve Covers". The seller is "1-bad-dyna" and is located in this country: US. This item can be shipped worldwide. Brand: Harley-Davidson Non-Domestic Product: No Type: Cylinder Head Warranty: 60 Day Custom Bundle: No Manufacturer Part Number: 16500404, 16500392 Surface Finish: Black Country/Region of Manufacture: United States Placement on Vehicle: Front, Rear