Alpha 1 outdrive forward gear shims *Lower unit parts
GLM Marine aftermarket shim set for lower unit gearcase forward gear
Top cover assembly for Alpha One stern drive years 1984 to 1990
Includes top cover bearing #21511 / OEM
31-32575T1 (1-25/32" O.D.)
*Make sure to measure your bearing. If you're bearing measures 1-15/16" O.D.,
contact us by phone or email and we can switch the bearing in the kit to the 1-15/16"
