This is the HPI Roto-Start 2 Electric Shaft Drive Starter System for the Savage X trucks with F-series engines, Savage 21, and Savage 25 trucks. This will also fit the HPI Nitro Star F-series engines that have pull-starts. This will also fit the HPI G3.0 engine (does not fit HO version). The included backplate must be used with a 12mm one-way bearing on the engine.
INCLUDES: HPI Roto Start 2 Electric Shaft Drive Start with shaft, metal gear backplate with mounting hardware, 2mm hex wrench, Z164 heavy duty grease, and illustrated instruction manual
REQUIRES: 7.2V rechargeable stick battery pack and charger also available from RC Superstore
Rotor Start 2 Shaft
Length: 7.9" (201mm) Length: 7.2" (182mm)
Width: 2" (51mm) Diameter: 0.20" (5.5mm)
Height: 3.9" (100mm)