FAST · New
FAST Engine Control System XFI Sportsman & EZ LS
MPN 303005 · Store SKU fst303005
Supplier stock checked 11/7/2026, 8:06:45 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
A complete laptop tunable EFI system for LS series engines is now available with ignition control under one part number. This kit makes it easier than ever to take full control over your LS series engine. Capable of running with boost and rowdy camshafts, this XFI Sportsman kit is the only choice for an all-inclusive, comprehensive kit that will best manage your LS's fuel and ignition needs. Use our proven C-COM software to tune your muscle car, late model, boosted, drag racing, road racing or street car. Kit includes our boost-capable XFI Sportsman ECU and Multiport Harness w/ EZ LS Ignition ECU and Harness. Use our proven C-COM software to tune your muscle car, late model, boosted, drag racing, road racing or street car. Kit includes our boost-capable XFI Sportsman ECU and Multiport Harness w/ EZ LS Ignition ECU and Harness. XFI Sportsman and EZ-LS Transplant Fuel Injection System.
Manufacturer fitment & guides
Check 303005 against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
