Recommended fuel : 25-30% nitro

ATOM SV-1 Long Stroke 21 Race Engine 

The Atom SV-1 is a complete new ground up design long stroke engine. Great care has been taken
to maximising power, fuel efficiency and reliability. We believe that only the highest attention to
detail can deliver a truly great engine.
The new crank case features transfer ports that maximise gas flow to deliver amazing power. Whilst
at the same time being incredibly strong and light weight. The back plate is hard coated to minimise
friction and wear between it and the conrod.
The new Crank shaft features a silicone filled inlet port to aid high speed gas flow through the
central transfer tunnel, maximising both power and efficiency. The high grade steel shaft is heat
treated to ensure the best possible service life.
The all new carburettor features an allow body for strength and stability. A thermal barrier collar
prevents heat transfer from the crank case to help ensure a stable race tune. Interchangeable
restrictors allow the performance of the engine to be tailored to suit track conditions and layouts
(6.5 & 7mm included)
The new cylinder head is super strong yet light weight and features a low centre of gravity. 

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