HKS Step Zero forged piston kit for the Nissan RB26DETT, configured for a 2.8L stroker build (Skyline R32/R33/R34 GT-R). 86.5mm bore. Includes piston rings, wrist pins and clips.
| Type | Forged piston kit (Step Zero) |
| Engine | Nissan RB26DETT (2.8L stroker) |
| Bore | 86.5mm |
| Includes | Rings, pins, clips |
| Part Number | 21004-AN011 |
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