Comes in various ratios 1.3 1.47 1.62 1.81 1.94 Please email for a complete quote. Prices subject to change without notice. Subject to availability. Note: when using the Alpha one sterndrive assembly as a replacement on earlier (pre-1983) four and six cylinder in-line models it will be necessary to replace the standard yoke with a short U-joint yolk. This yoke is not included in must be removed from the old unit. Please see other ads for more parts Also available Mercruiser/ Mercury -Bravo 1/2/3 drives -Alpha and Bravo drive parts -Engine parts -Exhaust nsm2016x