1" X 4" A.R.E. Inboard Shaft System and Coupler Dual Taper WS2000

Dual Taper, Pricing Good For Shafts Up To 5' Fits most ski boats with 1:1 transmission Borg Warner Style (71c) and small block engines 5.8, 5.7, 351 etc. Exceptions - after 1992 some of the boat builders started using 1-1/8" diameter. Includes, keys, nuts, cotter pins and set screws This dual taper shaft system includes everything except the coupler retaining nut socket Item SYSSOCKET106. You Must Supply Us With The "A" Shaft Length Measurement. Please follow the illustration in the pictures and be very exact. Measure your shaft with the transmission coupler on the shaft. From the face of the coupler nearest transmission side all the way to the end of the threads on the propeller end of the shaft. See Picture for the "A" Reference. Click Either "A" or "B" Buttons to choose your method of measurement. Enter your SHAFT LENGTH MEASUREMENT below the "A" & "B" Radio buttons. Enter your Boat Information below your shaft length measurement This will help us help you to make sure