400 HP With A Stock Cam!
The stock 1.6:1 stamped-steel rocker arms mount to raised bosses on the cylinder head with a 5/16-inch bolt through a pedestal-style fulcrum and a sheetmetal sled to keep each pair aligned. Simple to install, they do not allow any adjustability due to the net-lash design, and hydraulic-lifter preload can be changed only by the length of the pushrod or with shims placed under each rocker. However, the pedestal-mount design does offer simplicity and very accurate rocker geometry. View Related Article
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