Description

This 28.5cc 36mm big bore kit has been race ported by O’Neill Brothers for the best performance possible without sacrificing reliability. The intake, exhaust, and transfer ported have been enlarged and reshaped for maximum performance. All of O’Neill Brothers porting on this top end is done by hand.

Manufacturer:

OBRA TGN EXCLUSIVE—At Oneill Brothers Racing we specialize in reliable/affordable high performance engines and upgrade kits for your large scale rc car. All of our porting and machining is done in-house.