This is a replacement Shock End/Shock Spring Retainer Set.Suitable for:Trophy Buggy 3.5Trophy Truggy 4.6Trophy Buggy FluxTrophy Truggy FluxVorza Nitro BuggyVorza Flux BuggyVorza S Flux BuggyVorza FluxVorza S Flux Big bore shock set (106mm,2pcs),(124mm,2pcs),(97mm,2pcs)(112mm,2pcs)..