HKS replacement cylinder liner (sleeve) for the Nissan SR20 engine. A precision-machined liner used in HKS engine builds and rebuilds to restore or strengthen the cylinder bore for high-power and forced-induction applications.
| Type | Cylinder liner / sleeve |
| Engine | Nissan SR20 |
| Part Number | 2399-RN001 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
