This is the Aluminum Hollow Ball Set for the Traxxas Revo

Low voltage detection

4V) capable and features heavy duty

Great for big brushless power

Metal Kadee Magne-Matic coupler head

HPI 86083 Cup Joint 8x19mm (Black/2pcs) Savage Super 5SC Flux Ford Fiesta Parts This is the Aluminum HollowHPI 86083 Cup Joint 8x19mm (Black 2pcs) Savage Super 5SC Flux These are Replacement Cup Joints for the HPI Savage. FEATURES: Black Steel Cup Joints and Screw Shafts. INCLUDES: Two Cups. REQUIRES: HPI Savage. SPECS: Cup Joint Length: 19 mm (0. 748") Diameter: 8 mm (0. 315") This Part Fits the following kits parts: Savage Flux HP RTR 2. 4GHz STD Savage XL 2. 4GHz STD RTR Super 5SC Flux STD RTR Savage X 4. 6 STD