Description
WOSP 300 Series 175A Race Alternator (Lucas ACR / A127 RH Mount)
The WOSP LMA308 is a premium 175-amp high-output race alternator engineered to replace standard Lucas ACR and A127 right-hand mount units. Built around the latest generation Denso internal architecture with hair-pin segment conductor windings, this 300 Series alternator generates up to 80% of its full power output at engine idle speed, delivering solid voltage to high-draw motorsport electrical systems like heated windscreens, electric power steering, and high-flow cooling fans.
Key Features & Performance Benefits
- ☑ Massive 175A Current Output: Supplies clean, stable power for energy-intensive race setups without voltage drop.
- ☑ High Idle Efficiency: Delivers 80% of maximum rated amperage at idle engine speeds for consistent system voltage.
- ☑ Denso Base Technology: OE-quality Denso internals offer superior reliability and thermal resilience under severe motorsport conditions.
- ☑ Direct Lucas Replacement: Drop-in fitment for classic Lucas ACR and A127 right-hand 3-lug mounting configurations.
- ☑ Simple 2-Wire Hookup: Minimalist wiring setup with standard main B+ post and dashboard ignition lamp connections.
Technical Specifications
| Manufacturer | WOSP Performance |
|---|---|
| Part Number | LMA308 |
| Series | WOSP 300 Series High Output |
| Rated Output | 175 Amps |
| Voltage | 12 Volt (Negative Earth) |
| Mounting Style | Lucas ACR / A127 Right-Hand (RH) Mount, 3-Lug |
| Internal Architecture | OE Denso Base Platform |
| Electrical Connection | 2-Wire (B+ Post & Lamp Terminal) |
What’s Included in the Box
- 1x WOSP LMA308 175A RH Mount Race Alternator
- 1x Standard Machined V-Belt Pulley
- 1x Electrical Connection Hardware Pack
- 1x Individual Factory Bench Test Certificate
Manufactured in the UK to stringent ISO 9002 quality standards, WOSP charging solutions are trusted across professional motorsport worldwide. Order your WOSP LMA308 from JP Racing for expert technical assistance, dedicated customer support, and fast dispatch directly across the UK.




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