SEI Mercruiser Alpha 1 1972-1990 Upper Unit With 8 1/8" Short Yoke.
Replaces OEM Number 5523A65, 5523A67, 5523A66.
Replaces R, MR, Alpha One lowers from 1972-1990, 13 Spline Driveshaft, Up to 300 HP and is offered with the following ratios:
3.0L 4 CYL 1.94 Ratio
4.3L V6 1.81 Ratio
5.0L V8 1.62 Ratio
Will not work for Alpha 1 GEN II drives.
Includes a three year fault free warranty (click HERE for details)!!!
SHIPPING: Additional shipping fees to Alaska, Hawaii, US Territories, or International Shipping will be calculated after checkout. You will receive an email and a PayPal money request for the additional shipping charges at the email address provided. (Some items are excluded from international shipping)
If you have any questions, please contact us through e-mail at customerservice@marinepartswarehouse.com. Please provide your engine model number to help confirm compatibility.
