JE Pistons forged piston set for 2007+ Mitsubishi Evo X 4B11 (86.25mm bore, 10.0:1, +1.1cc dome) is a purpose-built four-cylinder piston kit engineered for racing and high-demand tuning. Forged from 2618 aluminum in the USA, these pistons include JE Pro Seal rings, wrist pins and locks, and use JE's proprietary features such as forged side relief and accumulator groove options for improved ring control and durability.
JE Pistons 07+ Mitsubishi EVO X 4B11 86.25 Bore 10.0:1 +1.1cc Dome (Set of 4)