Start Strong.Every Time.
Hi-Torque gear-reduction starter solutions built for performance engines, tight installations, marine, off-road, industrial and specialty applications.
Patented gear-reduction starter technology
Built around proven DENSO-based starter platforms and engineered for demanding applications.
Built for more than one kind of engine.
Start by application, then narrow your search by part number, make, model, engine or starter series.

Automotive & Performance
High-torque gear-reduction starters for street, race and specialty automotive applications.
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Off-Road & VW
Compact starter solutions for off-road, transaxle, rotary and specialty builds.
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Marine
Marine starter applications with SAE J1171 options on applicable models.
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Industrial & Agricultural
Reliable starting solutions for industrial machinery, agriculture and equipment.
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Ground Support Equipment
Starter solutions for demanding ground support and utility applications.
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Custom-Built Starters
A solution for unusual fitment, rotation, voltage or clearance requirements.
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Search the product database by IMI number, make, model, engine, series or application keyword.
High torque in a compact package.
IMI's offset gear-reduction design is intended to deliver strong cranking performance with packaging flexibility. The catalog notes that the drive-end housing can be re-indexed to maximize clearance on applicable models.
Why Hi-Torque?
Choose the output for the job.
A quick reference to the primary starter families listed in the IMI catalog. Confirm final fitment before ordering.
| Series | Output | Gear Reduction | Catalog Recommendation |
|---|---|---|---|
| 100 Series | 1.2 kW / 1.61 HP | 4.4:1 | Up to 11:1 compression |
| N Series | 1.4 kW / 1.88 HP | 4.4:1 | Up to 14:1 compression |
| 900 / 2900 Series | 2.0 kW / 2.68 HP | 3.75:1 | Up to 18:1 compression |
| 22000 Series | 2.2 kW / 2.95 HP | — | Diesel applications |
| 25000 / 45000 Series | 12V 2.7 kW / 24V 4.5 kW | — | Diesel applications |
| 50000 Series | 12V 5.0 kW / 6.70 HP | — | Diesel applications |
Catalog classifications are reference information. Compression, timing, application and fitment all affect starter selection.
Don't see your application?
IMI's catalog specifically invites customers with unlisted applications to contact the company so a starter can be evaluated or designed for the application.
Ask IMIAlready have a Hi-Torque starter?
IMI also services and repairs Hi-Torque starters. Contact the shop with the part number and application before sending a unit in.
Call (562) 907-0750