Turn around time is 2 to 3 weeks from the day we receive your Cylinder Heads. Your Cylinder Heads will be disassembled, cleaned, and inspected prior to any service being done to the Cylinder Heads. Next your Cylinder Heads will be ported with our CNC program based on your supplied motor information and performance configuration provided by you. Then your Cylinder heads will have AV&V Bronze Magnesium Guides installed and fitted. Once guides are INSTALLED the seats are cut with our PROPIETARY MULTI ANGLE INTAKE AND FULL RADIUS EXHAUST. During the seat work the valve stem depth is set depending on your CAMSHAFT which will dictate the valve protrusion and T. Cylinder heads are CC’d and set for desired compression. Then Cylinder Heads are thoroughly cleaned in a sonic tank and washed. New Springs will then be installed for up to. 585 lift and set to correct installed height. The following work is performed and parts installed. FULL CNC PORT & TEXTURE. NEW AV&V OR KIBBLEWHITE OR FERREA 1.900 INTAKE VALVES. NEW AV&V OR KIBBLEWHITE OR FERREA 1.575″ OR UP TO 1.630″ EXHAUST VALVES. SET DESIRED CC FOR COMPRESSION. NEW AV&V BRONZE MAGNESIUM GUIDES & VITON SEALS. NEW SPRINGS SET TO DESIRED SPEC FOR UP TO. CUT SEATS WITH PROPRIETARY ANGLES, MULTI-ANGLE INTAKE, FULL RADIUS EXHAUST. CYLINDER HEADS WILL BE BENCH FLOW TESTED AND PROVIDED WITH FLOW SHEET. Again this is a SERVICE TO BE DONE TO YOUR CYLINDER HEADS. The item “Harley Twin Cam 1999-2017 Cylinder Head CNC Porting Service. 585 Lift” is in sale since Monday, January 7, 2019. This item is in the category “eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Other Engines & Engine Parts”. The seller is “hellfireheads” and is located in Burlington, Wisconsin. This item can be shipped worldwide.
- Manufacturer Part Number: Twin Cam
- Brand: Harley-Davidson
- Surface Finish: Port and Texture