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FAST LS91 High Output Universal External-Core Coil

FAST · New

FAST LS91 High Output Universal External-Core Coil

MPN 730-0891 · Store SKU fst730-0891

$95.95
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/8/2026, 3:12:27 AM UTC. Adding a part does not reserve it.

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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

The I91 Coil is designed for use with FAST high output inductive ignition systems such as the I6 Ignition Control or the XR700 and XR3000 Electronic Conversion Systems. The internal design is optimized to produce a long duration spark coupled with higher voltage output making it ideal for street and performance applications. The I91 Inductive Coil is designed for use with high output inductive systems such as the I6 or XR-3000 I91 Inductive Ignition Coil

Manufacturer fitment & guides

Check 730-0891 against the manufacturer’s application information below.

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

Manufacturer documents

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