Description
Part Number: AF4250-9109
Aeroflow GM LS Series XPRO High Torque Compact Starter Motor
Engineered for high-compression GM LS V8 engines, providing massive cranking power and multi-angle mounting clearance in tight engine bays.
Key Features
- ☑ High-output 1.4kW / 1.9HP motor with 4.44:1 gear reduction ratio
- ☑ Multi-angle adjustable mounting block for header and oil pan clearance
- ☑ Precision Hitachi-style serviceable design in lightweight billet aluminium
- ☑ Rated for engines up to 400ci displacement and up to 14:1 compression ratio
- ☑ Black powder-coated finish for maximum corrosion resistance and heat protection
- ☑ Designed specifically for 168-tooth ring gear GM LS engine configurations
Technical Specifications
| Manufacturer | AeroFlow Performance |
|---|---|
| Part Number | AF4250-9109 |
| Engine Compatibility | GM LS Series V8 Engines |
| Ring Gear Tooth Count | 168-Tooth Ring Gear |
| Motor Rating | 1.4kW / 1.9HP |
| Gear Reduction Ratio | 4.44:1 |
| Maximum Displacement | 400 cu in (400ci) |
| Maximum Compression | 14:1 |
| Mounting Block | Multi-angle adjustable aluminium mount |
| Finish | Black Powdercoat |
What’s Included in the Box
- 1 x Aeroflow XPRO High Torque Compact Starter Motor (AF4250-9109)
- 1 x Multi-Angle Adjustable Mounting Plate
- 1 x Starter Mounting Hardware & Shim Kit
- 1 x Electrical Terminal Fastener Pack
Engineered for demanding motorsport applications, Aeroflow Performance starters deliver maximum cranking power in a compact package. Order from JP Racing today for authentic high-performance components backed by technical expertise and fast UK shipping.







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