Sonnax salvaged OE piston/damper assembly GM-DA-8 can be used to replace damaged assemblies in GM 258mm LU (4T65-E) converters.
This hard-to-find salvaged piston/damper assembly can also be used with Sonnax piston plateGM-DA-7Pand rivetsGM-RV-9to convert the viscous damper assembly in GM 265mm LU (4T80-E) units, which have a high failure rate due to leaks and cannot be repaired, to a mechanical spring-type damper.
GM-DA-8 can also be used for optional builds in Sonnax racekitsGM-RK-16,GM-RK-17andGM-RK-18.