Description
Ignition Coil - LX91 - E-Core - 0.400 ohm - Male HEI - Epoxy Filled - 90 Degree Boot / Terminal Included - Black - Each
I91 Coil
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.
Additional Information
The I91 Inductive Coil is designed for use with high output inductive systems such as the I6 or XR-3000
Part Type
Ignition Coil
Features
Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.
Specifications
Product Downloads
Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Fast, FAST ELECTRONICS |
| StreetFX SKU | fst730-0891 |
| SFX Item ID | 4085041 |
| Accounting SKU | fst-730-0891 |
| Manufacturer SKU | 730-0891 |
| Manufacturer UPC | 021174021080 |
| Alternative References | 730-0891, FST-730-0891 |
Ignition Coil, I91, Inductive, Square, Epoxy, Black, Each
Need the highest possible spark energy and spark gap current? These FAST I91 inductive coils are just the ticket. They are the recommended coils for street use with FAST HI-6, Mallory Hyfire, and MSD 6 CD systems. They also work great with FST DMSI, HI-6S, and XR3000 inductive ignitions. They are not designed for race or extended high-rpm use with high-output ignitions, or for use with points.
| Product Attributes | |
|---|---|
| Brand | FAST |
| Manufacturer's Part Number | 730-0891 |
| Part Type | Ignition Coils |
| Product Line | FAST I91 Inductive Ignition Coils |
| UPC | 021174021080 |
| Coil Style | Remote mount |
| Primary Resistance | 0.400 ohms |
| Coil Internal Construction | Epoxy |
| Coil Wire Attachment | Male/HEI |
| Coil Color | Black |
| Maximum Voltage | 47,000 V |
| Turns Ratio | 57:1 |
| Secondary Resistance | 4.60K ohms |
| Inductance | 4.70 mH |
| Peak Current | 380 mA |
| Spark Duration | 280 uS |
| Mounting Bracket Included | Yes |
| Coil Wire Included | No |
| Ballast Resistor Included | No |
| Coil Shape | Square |
| Height (in.) | 3.000 in. |
| Length (in.) | 3.750 in. |
| Width (in.) | 2.500 in. |
| Quantity | Sold individually. |
| Notes | Coil is universal. Modifications may be required. |
Compatibility
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