Integy Rebuild Kit for the Team Integy MSR4v2 and MSR5 shocks are a direct replacent parts. For use with the Integy MSR4v2 and MSR5 shocks that have a 3.5mm shaft. INCLUDES: Six shock pistons Two black rubber o-rings Four clear rubber o-rings Two black foam pieces for the reservoir Two 3.5x6mm bushings Required Parts MSR4v2 or MSR5 shocks with 3.5mm shaft