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  Ofna Hyper .21 8-Port Race Engine Rear Exhaust OFN53218

OFN53218 Ofna Hyper .21 8-Port Race Engine Rear Exhaust

List Price: $275.95
Our Price: $189.95
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Product Code: OFN53218

Technical Specs

Ofna .21 Hyper engine has oversized flow-through gray anodized cylinder head. ABC construction (Aluminum piston with a Chromed Brass cylinder). Rear exhaust. Ball bearing-supported crankshaft. Slide valve carburetor for greater response at the beginning and end of the power band. This works well for on-road and racing applications for fast take-offs and high speed. Needle valve adjusted by a screwdriver. SG (Pilot) shaft. This package includes one .21 Ofna Hyper racing engine w/slide valve carburetor and rear exhaust. One brass collet (these hold flywheel in place). One running and parts information sheets and one Hyper .21 decal sheet.


Fuel with 5%-30% Nitromethane (20% is recommended) and a lubricant content of 16% or more. Muffler or tuned pipe w/manifold. Glow plug: long without idle bar, can use O.S. Max #8.

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