The front shape of the black piston head has been designed to generate a light air cone that ensures better and greater compression of the air volume inside the cylinder. The stroke on the cylinder head PAD is reduced compared to other piston heads on the market of other manufacturers, to better and more gradually distribute the impact given by the stroke of the piston. The total height of the TopMax piston head is standardized to the size of the other piston heads on the market. The ERGAL and DELRIN insert for fixing the piston head on the piston is slightly shorter than the standard market size, so you can use the TopMax piston head on any piston on the market.
The stress-tests on the black piston head were performed with a more powerful springs than those required by italian law, so the product will guarantee reliability and performance even with more advanced configurations. For maximum performance, we recommend pairing the piston head with the TopMax piston and cylinder head.
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