FAST
LSXrt 102 Intake LS 4.8, 5.3, 6.0 Truck
SKU: F003 146602B
Description
Part #: 146602B
The LSXRT is constructed from a proprietary precision injection
Features:
- Modular design allows for fast and easy disassembly
- Removable runners allow for porting
- Include integrated nitrous bungs
- Permits the use of factory accessories and OEM fuel/emission connections without adjustments or clearance issues.
- Designed for use with FAST 102mm Big Mouth Throttle Body
- 102mm inlet works w/ OEM electronic 78/90mm or aftermarket 90/92mm throttle bodies for high flow and minimal restriction (three-bolt electronic throttle bodies require an adapter)
- Advanced polymer material is strong, lightweight and cools intake charge for enhanced power
- Big gains in rear-wheel HP yet retains factory fitments and underhood clearance requirements
The FAST LSX 102mm Intake Manifold for GM 4.8, 5.3 and 6.0 truck engines provides bolt-on performance gains without any loss in bottom-end drivability.This manifold features our standard design runners for use in mild street applications.
This product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Fitment
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Specifications
| Brand | FAST |
| Part Number | F003 146602B |
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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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