
| Primitive uses King Springs in every WRX/STi 2015-2021 Suspension Package. The springs create a great foundation for all types of adventures. Whether you want to lift your Subaru or improve the handling. |
King Spring Features and Advantages:
- Reduces body roll while improving your vehicles handling.
- Low impact on CV joints.
- Keeps your suspension from sagging when fully loaded up.
Struts:
- KYB Gas-a-Just – Restores original handling
- Bilstein B6 - Offers Stiffer Valving
Fully Assembled Struts or Quick Struts mean that Primitive will pre assemble each strut / shock with the springs and lift kit you've selected. This will include all new top hats, dust boots, bump stops etc. Each unit will arrive drop in ready.
| King Spring Advantages: | Low impact on CV joints and axles |
| Progressive Rate Spring: | No |
| Spring Finish: | Phosphate Coated before Two Part Epoxy Powder Coat |
| Spring Material: | X5K New Generation High Strength Steele |
| Overload Spring's: | KSFS-52 & KSRS-53 KSFS-52 B & KSRS-53 B Front Spring Rate: 230 lbs/in Rear Spring Rate: 190 lbs/in |
| Lift Spring's: | KSFR-52 & KSRR-53 KSFR-52 B & KSRR-53 B Front Spring Rate: 230 lbs/in Rear Spring Rate: 190 lbs/in |