HPI Racing Roto Start Back Plate (HPI S21, S25, RB Concept TM728, TM928)

HPI Racing
HPI87117
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This is the HPI Roto Start System Shaft Drive Starter back plate from HPI Racing. This back plate works with HPI's S21 and S25 series of engines, such as the original engines in the HPI Savage 21 and Savage 25 monster trucks. This will also work with the roto start versions of the RB Concept TM728 and TM928 monster truck engines.

This product was added to our catalog on August 8, 2006.

sebastien Reybaud
Verified Owner
Monday, Dec 21 2015 (8 months ago)
HPI Racing Roto Start Back Plate (HPI S21, S25, RB Concept TM728, TM928)
Hi Pay attention , this part is absolutly not compatible with RB concept TM728. Plastic carter is too small