6023 - Signature Series Dirt Oval Mod Zenoah 4 Bolt 30.5cc Engine Losi and most other large

Losi and most other large scale rc cars

ve chosen to not use a crankcase gasket

reed valve and transfer bowls were in-house flow tested and dyno tested to produce as much power as possible

Piston reliefs help reduce the chances of the piston seizing on the exhaust side of the cylinder when running lean or hot

clutch plate

6023 - Signature Series Dirt Oval Mod Zenoah 4 Bolt 30.5cc Engine Losi and most other largeAfter quite a few years of prototyping our oval racing engines we've come up with the dirt oval signature series engine. The 30. 5cc version is intended for the advanced oval racer and can be overpowered if you're new to racing. This engine is designed and tuned exclusively for oval racing and is not suited for bashing. It offers a great balance of torque and rpm's and is the fastest engine currently in the DLMRA series. The following modifications