Air and Fuel› Intake Manifolds and Components

FAST

Replacement Lower Shell LSXr 102

$362.95

SKU: F003 146001

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

Moderate — 2–4 hours

Description

This FAST LSXR 102mm Rectangle Port Intake Manifold Replacement Lower Shell (146001) is constructed from high-quality polymer, designed for LS3/L92 engines, and features a modular design with removable runners for porting and an improved throttle body sealing flange. It is compatible with FAST Big Mouth and Big Mouth LT Throttle Bodies and includes all necessary mounting hardware.

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 146001

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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