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Front exhaust, rear intake, imported. Bushings need to be honed to size to fit shaft (OEM 17375-83), Genuine Zodiac
Replacement rocker arms for Evolution engines. These rocker arms are made to tight tolerances to meet or exceed OEM specifications. Fits Evolution Big Twin models from 1984 thru 1999, Twin Cam models 1999 to present and Sportster models from 1986 to present.
Replacement rocker arms for Evolution engines. These rocker arms are made to tight tolerances to meet or exceed OEM specifications. Fits Evolution Big Twin models from 1984 thru 1999, Twin Cam models 1999 to present and Sportster models from 1986 to present.