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  3. HF GX390/420/440/460 Engines
  4. Rotating Assembly
Here you can find all the rotating components found in the short block of your engine. Maximizing engine displacement and compression with a variety of high quality Pistons, Rings, Rods and Crankshaft and kits to help jump start your GX390-460 Big Block Clone engine build. Pairing up the right components will help balance and rotating speed that will improve torque and power across your engine’s power band

Products [14]

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92mm 440/460cc Piston Kit
In Stock.
92mm 440/460cc Piston Rings
Out of Stock.
420cc 66mm Stroke Crankshaft
In Stock.