These are the Rear Oilite Bushings for the RJ Speed R/C Legends Spec Coupe Kit (RJSC2010) and the RJ Speed R/C Legends Spec Sedan Kit Less Electrics (RJSC2011). FEATURES: Bronze construction INCLUDES: Two Rear Oilite Bushings REQUIRES: Installation on the vehicle SPECS: Outer Diameter: 9.5mm (0.37") Inner Diameter: 6.4mm (0.25") Length: 6.35mm (0.25") RJ SpeedPart RJS5452