COMP Cams Rocker Adj Kit Ford SM BLKIncludes: (16) #4610 W FS FW Washer, #4610 N FS FW 5 16" Adjusting Nut. Many of the popular engine families utilize a positive stop type of Rocker arm attachment, which does not allow for any adjustment and consequently there is no consideration for different Cam sizes or other modifications to the engine block and heads. For that reason, COMP has designed a kit to convert this setup to a fully adjustable valve train. On the 302 351W Fords, simply