This HKS stroker kit, designed for the Toyota GT86 and Subaru BRZ from the kit used in D1 Drift or Time Attack, fits as a direct replacement for the original internals without requiring engine machining. Suitable for both naturally aspirated and turbo/supercharged builds this set of forged connecting rods, pistons, crankshaft, and accessories increases the engine's displacement of the FA20 engine to 2.1L and can support power outputs of up to 550 horsepower.

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Direct installation (22mm axis)

Compatible with turbocharged and naturally aspirated engines

Supports power outputs up to 550hp

Measured gain on naturally aspirated engines : 10.1hp

Forged pistons with a diameter of 86.00mm (no machining required)

Compression ratio of 12.4  (12.1 OEM)

Pin: 22mm

Forged I-beam connecting rods

Forged 90.0mm crankshaft

Installation kit included (pins, rings, clips, etc.)

Made in Japan