Ref: GLM 11215
Upper drive shaft housing service kit for mercruiser R/MR and Alpha one drives, from 1974 to 1991. This kit contains the gears, bearings, shims and all of the necessary gaskets and seals to do this job. The gears are a 20-22 (1.50 or 1.47) ratio.Replaces Merc # 43-803116T1
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