This is an HPI Racing HPI87137 Roto Start 2 System for HPI Engines. Includes a dogbone-style shaft.
Start your vehicle quickly and easily with the Roto Start 2. To protect your engine, the Roto Start 2 features a built in circuit breaker which cuts off in case of an overload (e.g. a flooded engine).
Genuine HPI quality spare part to provide easy maintenance and repairs for the HPI Roto Start 2 System.
Requires a 7.2V rechargeable Stick battery pack and charger/Engine back plate is not included
