Hemi Engine - Retooling - Hemi Cuda, Part I
With only 5/16-inch stems, the huge Hemi 2.25-inch intake/1.94-inch exhaust valves really benefit from friction-reducing roller rocker-arms. Combined with modern valve-stem seals pirated from late Magnum V-8 engines, these Dick Landy-developed MP stainless-steel roller rockers help cut valve-guide wear. View Related Article
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