ARGUS .21 21K4 Pre Break-In Engine

Rear Exhaust Nitro Engine for Cars & Buggy

This K4 is an evolution of the well known K53. It incorporates the same components from the K53 such as ceramic bearings, machined piston, 8mm carburetor with 3 aluminium nozzles (6, 6.5 & 7mm) and T3 spark plug.

New features include;

• New crankshaft with revised diagrams for more torque and reduced fuel consumption. 

• 2 balancing insertsfor increased torque.

• New liner to suit the revised crankshaft, great for increased torque at low revs.

Recommended Pipe: 2159 Argus

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