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FAST LS91 High Output Universal External-Core Coil - 730-0891 - front view
FAST LS91 High Output Universal External-Core Coil - 730-0891 - angle view

FAST Part # FST730-0891

FAST LS91 High Output Universal External-Core Coil - 730-0891

$95.95 USD

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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

  • Mounting Bracket Included: Yes
  • Turns Ratio: 57:1
  • Terminal Quantity: 2
  • Spark Duration: 280 uS
  • Secondary Resistance: 4.6K ohms
  • Secondary Inductance: 14.4 H
  • Primary Resistance: .40 ohms
  • Primary Inductance: 4.7 mH
  • Peak Current: 380 mA
  • Mounting Position: Any
  • Mount Type: Integral
  • Length: 3.75 in.
  • Leakage Inductance: .23 mH
  • Height: 3 in.
  • Coil Wire Terminal Quantity: 1
  • Coil Wire Attachment: Male/HEI
  • Coil Style: E-Core
  • Coil Shape: Square
  • Coil Internal Construction: Epoxy
  • Coil Color: Black
  • Width: 2.5 in.

Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.

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Free U.S. standard shipping on qualifying orders $199+

Ships from our Buffalo, NY warehouse

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