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The HKS Forged Piston Kit for 2013–2020 Subaru BRZ (FA20) is a Low‑Comp Step 2 full kit that includes forged pistons, I‑beam connecting rods and a crankshaft. Supplied as a comprehensive engine internals package, this kit provides the core forged components required when upgrading bottom‑end strength or rebuilding the FA20 to accept altered compression characteristics and higher durability under increased loads.
HKS 13-20 Subaru BRZ FA20 2.1L Low-Comp Step 2 Full Kit (Forged Pistons, I-Beam Con Rod, Crankshaft)
