These are "S" cams ground on 4 bearing - 49m journal cores for (SC and Carrera 3.2 & 964) cam-towers. The left camshaft has the drive piece for the MFI (Mechanical Fuel Injection) pump. Please check out our store for many nice and rare engine components, wheels and other desirable Porsche and RUF parts. The item "Porsche 911S RS MFI Camshafts for 4 Bearing 911SC/ Carrera 3.2 49mm Cam Housings" is in sale since Tuesday, July 10, 2018.This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Engines & Components\Camshafts, Lifters & Parts". The seller is "bengel512" and is located in Corry, Pennsylvania. This item can be shipped worldwide.