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The heads are pre-assembled and the valve stem seals are installed. Next, the spring pack is set and checked for valve travel. Each head is tested to ensure both the front and rear heads have the same compression, then they are bolted to the motor. Forged roller rocker arms are put into place with adjustable pushrods, then the rocker boxes are installed. The last things to go on are the Dyna 2000 ignition and the S&S (D) carburetor. View Related Article
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