How To Build A 521Ci Big Block Rocker Arms
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With the shaft-mount base bolted in, Hall then installed the rocker arms. These feature a 1.7:1 ratio on both the intake and exhaust sides and came with additional features, including the needle bearing tips and spring oil holes. We also elected to go with the steel rocker option for added structural rigidity (see “Shaft-Mount Rockers” sidebar). View Related Article
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