FAST
FAST Billet Fuel Rail Kit, for LSX
FAST Billet Fuel Rail Kit, for LSX
Part number: 13CN3
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Listed for: LSXFitment notes & questions
Billet Fuel Rail Kit from FAST. Highlights include BILLET FUEL RAIL KIT FOR LSXT INTAKE (RED ANODIZED ) and fits GM LS1/LS6 w/ FASTT LSXT Intake Manifold. Fuel injectors spray a measured amount of fuel into the engine.
Key features
- BILLET FUEL RAIL KIT FOR LSXT INTAKE (RED ANODIZED )
- Fits GM LS1/LS6 w/ FASTT LSXT Intake Manifold
- 0-100 PSI Fuel Pressure Gauge Kit
- '98-'02 Camaro/Firebird OE Fuel Line Conversion Kit
- '98-'02 Camaro/Firebird OE Fuel Line Conversion Kit w/ Pressure Gauge
- OE LS 3/8" Fuel Line to -6AN Fuel Line Conversion Fitting
- 6AN Fuel Supply Line; 90°/45° Ends
- 8AN Crossover Line; 90° Ends
Specifications
- Brand: FAST
- Part type: Fuel injector
Fitment
This listing does not name specific vehicles. Match the part number and the specifications with the part you are replacing.
What it does
Larger injectors are needed when an engine makes more power, together with a tune. Air and fuel parts decide how well the engine breathes and how cleanly it runs, so the right part restores smooth running and can support more power on a modified engine.
Installation & tips
- Use new O-rings and lubricate them lightly with clean oil before installation.
- Fuel filter: Protects new injectors.
- Work on a cool engine with the vehicle secured, and use a service manual for your vehicle for torque specs and procedures.
FAQ
Can I install it myself?
Many owners do this job at home with basic tools and a service manual for their vehicle. If you are not sure, have it fitted by a qualified mechanic.
What should I check before ordering?
Compare the part number, specifications and fitment on this page with your vehicle and with the part you are replacing.
Before you order
- Measure the part you are replacing and compare it with the specifications above.

FAST fuel injectors for the LSX: what to know
Clogged or leaking injectors cause misfires, rough idle and poor economy.
Fitment notes
- Listed for: LSX.
- Specs, lead time and warranty come from FAST and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentWhat else to plan for
- Fuel filter. Protects new injectors.
More for your car: All Fuel Injectors · Fuel & air intake
Questions about LSX fuel injectors
Will this fit my LSX?
Do bigger injectors need a tune?
Where do specs and warranty details come from?
Questions & answers
No questions yet about this part. Ask about fitment, what's in the box or installation and we'll answer here.