HPI Piston Set 1mm Piston Ring Baja HPI15420

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HPI Racing piston set for the Baja 5B fuelie engine is constructed of aluminum.  It is a good idea to also change the cylinder liner when changing the piston. If your piston is d amaged then the cylinder liner is more than likely damaged as well. Features: Ringed. Silver/gray in color. Specs: Length: 1.168 (29.66mm) Diameter: 1.29 (32.75mm) Show more