FAST 146602B LSXRT 102mm Intake Manifold – For Chevy GMC Trucks 4.8L 5.3L 6.0L
About this item
Looking to wake up your GM truck?
This FAST LSXRT 102mm intake manifold is a solid upgrade.
It's designed for 4.8L, 5.3L, and 6.0L trucks with cathedral port cylinder heads.
The part number is 146602B.
Made in the USA from lightweight, durable plastic.
It's a performance part, so expect better airflow and throttle response.
The 102mm opening feeds air like crazy.
It's not a universal fit—it's made specifically for these LS-based truck engines.
The color is black, looks clean under the hood.
Fuel type is gasoline.
Fast is a trusted name in performance.
Whether you're building for power or just want a quality replacement, this manifold delivers.
Includes a California Prop 65 warning—just a heads-up.
Direct replacement for stock, but with way more flow.
Get your truck breathing easier.
Order now and feel the difference.
Vintage part?
No—this is modern performance.- Free shipping
- Free 30-day returns
How do you want your item?
Free 30-day returns
