Yeah Racing HPI Sprint 2 Aluminum Upgrade Suspension Drivetrain Kit SPT2-S01OR. This is a Yeah Racing Aluminum Conversion Kit For HPI Sprint 2. This kit consists everything you need to upgrade your Sprint 2 and unleash its full potential! Despite the stock HPI Sprint 2 use an extensive amount of plastic parts, Yeah Racing has found that the Sprint 2 is actually a touring kit that has heaps of potential to offer. Yeah Racing exquisitely use the premium quality of material coupled with precise CNC cutting to manufacture all the parts in the conversion kit. The result is an astonishing performance and durability upgrade due to the minimum friction and flex between moving parts and joints. A Premium grade of bearings is also included to replace all the plastic bearings on the stock Sprint 2 for exceptional driving smoothness and power efficiency. This conversion kit also offer an extensive adjust-ability for your Sprint 2 to race under different conditions and tailor fit your driving style. For instance, dampers is fully adjustable and comes with 5 set of spring with different stiffness. Both front and rear upper arms are adjustable for camber angels. A Solid Axle is also included change the driving characteristic. These adjust-ability has make this conversion kit very flexible to serve with any kind of settings and motors. Aluminum Front Lower Arm Set For HPI Sprint 2 #SPT2-001OR. Aluminum Rear Lower Arm Set For HPI Sprint 2 #SPT2-002OR. Aluminum Bearing C-Hub For HPI Sprint 2 #SPT2-005OR. Aluminum Front Knuckle Arm For HPI Sprint 2 #SPT2-006OR. Aluminum Rear Hub / Knuckle Arm 3 Degree For HPI Sprint 2 #SPT2-007D3OR. Aluminum Bolzen Motor Mount For HPI Sprint 2 #SPT2-013P/OR. Steel Universal Joint Shaft 38mm For HPI Sprint 2 #SPT2-015. Aluminum Ball Bearing Steering Set For HPI Sprint 2 #SPT2-042OR.