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JE Ultra Series forged pistons for Subaru FA20 are high-strength, off-the-shelf pistons built for high-boost and power-adder engine builds. They use JE's Aligned Grain Flow forging for superior tensile strength and include thermal barrier crown coating, skirt coating, lateral gas ports, and optimized pin oiling. High-strength wrist pins and precision features target durability under extreme cylinder pressures. These Ultra Series pistons are made 100% in the USA.
JE Pistons Subaru FA20 Ultra Series Set of 4 Pistons
