Just slide the piston and rod assembly down into the tapered ring compressor. The taper will create a squeezing of the piston rings  allowing the piston and rod to gradually enter the engine bore.

Will help simplify the piston installation process during engine building. Most all bore sizes available. Message for your specific bore sizes needed

These are made from a very durable composite material.


THIS LISTING IS FOR THE RED TOOL



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***Item is 3D printed with durable printing filament.