Redcat Racing Steel Front/Rear CVA, 2-Piece Steel Front/Rear CVA's Quantity 2 Can be used on: Rampage MT, Rampage TT and Rampage Rally models RC Car Parts : 050009 Genuine Redcat Racing Parts For troubleshooting and warranty information please contact a Redcat Racing Customer Service Specialist at 602-454-6445 or by emailing amazonsupport@redcatracing.com NOTE: Please read the User Manual before use.