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Piston reliefs help reduce the chances of the piston seizing on the exhaust side of the cylinder when running lean or hot
</p> <p></p> <p>All balanced crankshafts have a lead time of about a week
On-road Rc Cars: FG Evo-4
Deck cylinder to raise compression without using a thinner cylinder gasket
This kit comes with everything need to turn your motor into a beast
6207 - Race Ported 2 Bolt 28.5cc Top End Piston reliefs help reduce the<p>This 28. 5cc big bore kit has been race ported by us for the best performance possible. The intake, exhaust, and transfer ported have been enlarged and reshaped for maximum performance.< p> <p><br >This big bore kit fits the following:< p> <p><br >Motors: G230RC, G260RC, St23rc, St27rc, He23hp, He26hp.< p> <p>Off road Rc Cars: HPI Baja 5B 5T 5SC, FG Marder,FG Marder Race,FG Monster Beetle,FG Monster Beetle Pro,FG MT5,FG Stadium Truck, Duratrax
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