The ROP Shop replacement Engine Coupler Assembly for 1997 MerCruiser 257B023KT, 257B023KS, 257B032KU Boat
Specs - Mounting Holes: 3/8". Shaft Opening: 1 1/4". Refer to images 2 & 3 for more information
Includes - (1) Engine Coupler, (3) Rubber Bumpers, (3) Screws & (3) Washers; comes as shown in the first image
Fits/For: 3.0L, 4.5L MPI, V6 and V8 Mercury MerCruiser engines made by GM (305 and 350 CID) with MerCruiser Alpha sterndrives
Please be sure to check your part or model number to ensure this is the correct engine coupler for your unit. Also, please note this may replace multiple part numbers