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.
Specifications
| Type | Forged piston kit (Step Zero) |
| Engine | Nissan RB26DETT (2.8L stroker) |
| Bore | 86.5mm |
| Includes | Rings, pins, clips |
| Part Number | 21004-AN011 |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
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