Air and Fuel› Fuel Injection Systems and Components - Electronic
FAST
FAST .400 ALUM SPACER FOR 146021-KIT
SKU: F003 146021SPA
Easy — 1–2 hours
Description
MIA's Description
This kit includes GM LS2-Style fuel rails, along with the necessary spacers and bolts for installation. It is backed by a 12-month warranty from FAST.
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 | FAST |
| Part Number | F003 146021SPA |
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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.
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