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The HKS forged piston kit for FA20 capacity upgrade to 2.1L is specified for low‑compression applications. Offered to support FA20 builds targeting larger displacement and lower compression ratios, these forged pistons are intended as the core component for a rebuild or upgrade where durable, high‑strength pistons are required to match stroker and tuning goals.
HKS PISTON KIT FA20 2.1L LOW COMP
