Skunk2 Pro-ST coilover kit for the 2017-2020 Honda Civic Si. 12-way adjustable single monotube dampers with 52mm seamless carbon steel shock bodies and high-pressure nitrogen charging. Threaded shock bodies allow independent ride height and spring preload adjustment, approximately 3 inches of drop while retaining full shock travel. Zinc electroplated threads for corrosion resistance. Billet aluminum spring perches.
Specifications
| Type | Front & rear coilover suspension kit (Skunk2 Pro-ST) |
| Construction | 52mm monotube, high-pressure nitrogen, seamless carbon steel body |
| Damping Adjustment | 12-way single adjustable |
| Spring Rates | 10K/mm front, 10K/mm rear (AE9254V chrome vanadium spring steel) |
| Drop Range | ~3 inches below factory |
| Quantity | 1 set (4 corners) |
| Part Number | 541-05-8780 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2020 | Honda | Civic | Si |
Shipping
- Orders placed before 3 PM EST typically ship the same business day. Larger items ship within 1 to 3 business days.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Special order items follow a lead time we confirm with you individually before the order is committed.
- Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
- Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
- 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 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
- Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
- Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
- Product images may be representative. The SKU and specifications in the listing are what ships.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Returns & Refunds · Warranty
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