Air and Fuel› Fuel Injection Systems and Components - Electronic

FAST

FAST .400 ALUM SPACER FOR 146021-KIT

$25.48

SKU: F003 146021SPA

Special Order
Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The FAST LSXR OEM GM LS2-Style Fuel Rail Kit is a non-billet fuel rail system designed for specific GM engines. It is intended for use with the FAST LSXR 102mm Intake Manifold, compatible with GM LS1/LS6 engines.

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

BrandFAST
Part NumberF003 146021SPA

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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