Product DetailsNew Centa marine damper plate (drive plate) for marine GM and Chevrolet small block and big block gas engines. Fits 5.0L, 5.7L, 6.0L, 7.4L, and 8.1L and works with ZF and Hurth marine transmissions with 26 spline input shafts. Dimensions: 12-5/8″ bolt center-to-center diameter, 13-1/4″ overall outside diameter (O.D.), 1-3/4″ thickness. Replaces Crusader part number R140018.
This damper can also replace Mercury (MerCruiser) 862975A1 and 862975A2. It may result in slightly more noise at idle. It also has a slightly smaller overall thickness, but has the same spline depth (it is more compact).