Suspension and Components› Shocks, Struts, Coil-Overs and Components
King Shocks
King Shocks 3.75 ID Coil Springs 20 x 300lb
SKU: K007 SPR375-20-300
Moderate — 2–4 hours
Description
King coil springs are closed and ground to sit flat and deflect true. Their spring rates, wire diameters, and coil lengths are developed through extensive real-world testing. The company offers a lifetime limited warranty against sagging and breakage to the original purchaser.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | King Shocks |
| Part Number | K007 SPR375-20-300 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy