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CAMSHAFT DESCRIPTION The camshaft is made of gray cast iron with twelve machined lobes and four bearing journals. When the ROCKER ARM DESCRIPTION The rocker arms are made of stamped steel and have a operational ratio of 1.6:1. When the push rods Fig. 5 Crankshaft with Select Fit Marking Location 1 – 1/4” LETTERS Fig. 6 Piston and Connecting Rod Assembly Fig. 7 Camshaft—Typical 1 – CAMSHAFT Fig. 8 Rocker Arms 4.0L Engine 1 – CAPSCREWS 9 - 6 4.0L ENGINE WJ DESCRIPTION AND OPERATION (Continued) |