Skunk2 Universal Race Spring (Elliptical) - 6 in.L - 2.5 in.ID - 18kg/mm (0600.250.018E)
Skunk2 Universal Race Spring (Elliptical) - 6 in.L - 2.5 in.ID - 18kg/mm (0600.250.018E)
Description
Skunk2 Universal Race Spring (Elliptical) - 6 in.L - 2.5 in.ID - 18kg/mm (0600.250.018E)
Customize your Pro-C or Pro-S II Coilovers for the perfect balance between daily driving and track performance. 06-11 Civic 18kg/mm Race Springs are direct replacements for Pro-S II and Pro-C rear coilovers. Skunk2 Race Springs for Pro-C or Pro-S II Coilovers allow you to fine tune handling performance and driver feel through customized spring rates and ride heights. All Skunk2 Race Springs are CNC-wound using the highest quality SAE 9254V spring steel, shot-peen stress relieved, and corrosion-protected thanks to powdercoating and specialized phosphate treating processes.
Additional Information
Race Coil Spring; Replacement For Pro-C/Pro-S II Rear Coilovers; 6 in. Length; 2.5 in. ID; 18K Spring Rate; Elliptical; Each;
Product Overview
Skunk2 race springs are available separately giving the experienced tuner more freedom in designing custom suspension set-ups. These are the same springs that come standard in each Skunk2 Racing adjustable coilover kit.
Available as straight, elliptical, or cone tapered in numerous lengths and rates - you can be sure that perfect suspension setup is just a step away.
How to read part # on spring:
Example 0500.250.008
⢠0500: (length of spring = 5")
⢠250: (inner diamater of spring = 2.50")
⢠008: (spring rate = 8kg/mm)
Spring Rate Conversion: 1 kg/mm = 55.88 lb/in
| Additional Application Notes | |
|---|---|
| • Replacement For Pro-C/Pro-S II Rear Coilovers; 6 in. Length; 2.5 in. ID; 18K Spring Rate; Elliptical; Each; w/2.5 in. Lift | |
These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:20:22
Features
- 18K [1008 lbs./in.] Spring Rate
- 6 in. L x 2.5 in. ID
- Elliptical
- Replacement For Pro-C/Pro-S II Coilovers
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Details
| Description: | Race Coil Spring |
| ID: | 2.5in |
| Length: | 6in |
| Part Number: | skk521-99-1170 |
| Rate: | 18kg/mm |
| Style: | Eliptical |
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Skunk2 Racing, Skunk 2 |
| StreetFX SKU | skk521-99-1170 |
| SFX Item ID | 4442249 |
| Accounting SKU | skk-521-99-1170 |
| Manufacturer SKU | 521-99-1170 |
| Manufacturer UPC | 873265000616 |
| Alternative References | SK2-521-99-1170 |
Coilover Spring, Rear Coilover Race SpringsRed 18KG 06-11 Honda Civic
Skunk2 coilover springs will allow you to fine tune handling performance and driver feel through customized spring rates and ride heights. All Skunk2 race springs are CNC-wound using the highest quality SAE 9254V spring steel, shot-peen stress relieved, and corrosion-protected thanks to powdercoating and specialized phosphate treating processes. For the perfect balance between daily driving and track performance, customize your Skunk2 Racing Pro-ST, Pro-C or Pro-S II coilovers with Skunk2's coilover springs.
| Product Attributes | |
|---|---|
| Brand | Skunk 2 |
| Manufacturer's Part Number | 521-99-1170 |
| Part Type | Coilover Springs |
| Product Line | Skunk2 Racing Coilover Springs |
| UPC | 873265000616 |
| Progressive Rate Spring | No |
| Coilover Spring Rate (lbs/in) | 1,008 lbs./in. |
| Spring Finish | Red |
| Position | Rear |
| Quantity | Sold individually. |
| Notes | Replacement rear coilover spring for Skunk2 Pro-C and Pro-S II coilovers. |
Compatibility
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