HPI Savage Metal Alloy Nitro Engine RotoStart backplate. F4.6 F3.5 S25 21BB SS

A direct swap for your pullstart, it is for use with most rotostart systems or a cordless screwdriver (2000rpm min. If you're fed up of broken pullstarts and bruised knuckles then this rotostart backplate may be the answer for your nitro buggy or truck. ).

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