Description
Aeroflow Chrysler Small & Big Block XPRO High Torque Starter Motor
1.4kW / 1.9HP Denso-style high torque mini starter for Chrysler Small Block and Big Block V8 engines paired with TF727 transmission.
Product Description
The Aeroflow XPRO High Torque Starter Motor (AF4250-1337) is specifically engineered to provide maximum engine cranking power for high-performance Chrysler Small Block (SB) and Big Block (BB) V8 applications. Utilizing a robust 1.4kW / 1.9HP Denso-style motor with a 4.44:1 gear reduction ratio, this starter effortlessly cranks engines with up to 400ci displacement and compression ratios up to 14:1.
Constructed with a lightweight aluminium housing designed to resist extreme under-bonnet heat, it eliminates hot-start drag commonly experienced in modified street and race setups. The body is finished in a durable black powder coat for extra protection against corrosion and chemicals. Features an indexable, multi-angle mounting block to clear custom exhaust headers and deep sump oil pans.
Key Features
- ☑ High-torque 1.4kW / 1.9HP Denso-style motor with 4.44:1 gear reduction ratio
- ☑ Recommended for engines up to 400ci and 14:1 compression ratio
- ☑ Multi-angle adjustable billet mounting block for header and oil pan clearance
- ☑ Durable black powder-coated body for ultimate heat and corrosion protection
- ☑ O-ring sealed unit with easily replaceable contacts and plungers for complete serviceability
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| Manufacturer Part Number | AF4250-1337 |
| Power Output | 1.4kW / 1.9HP |
| Gear Reduction Ratio | 4.44:1 |
| Engine Compatibility | Chrysler Small Block (SB) & Big Block (BB) V8 |
| Transmission Fitment | Chrysler TF727 Automatic Transmission Only |
| Ring Gear Tooth Count | 122 or 130 Tooth Ring Gear |
| Body Finish | Black Powder-Coated with Billet Aluminium Mount |
What's Included in the Box
- 1 x Aeroflow XPRO Chrysler High Torque Starter Motor (AF4250-1337)
- 1 x Multi-Angle Adjustable Billet Aluminium Mounting Block
- 1 x High-Tensile Starter Mounting Hardware Pack
- 1 x Technical Installation Guide
Built to withstand the harsh thermal conditions of competitive motorsport and high-horsepower street builds, Aeroflow starter motors offer uncompromising reliability. Order yours today from JP Racing for fast UK delivery and expert support from our dedicated sales team.
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