90 Amp Internally Regulated Alternator - Type 1 - PerTronix

High-output 12-volt alternator for upright air-cooled Volkswagen applications.

Provides 90 amps of charging capacity for vehicles with increased electrical demand from EFI systems, electric fuel pumps, auxiliary lighting, audio equipment, and other accessories. The internally regulated design eliminates the need for an external voltage regulator and provides strong charging output at idle.

Specifications:
- 12 volt
- 90 amp output
- Internally regulated
- Natural cast finish
- Internal cooling fan
- Direct bolt-on replacement for compatible air-cooled Volkswagen alternator applications
- Suitable for higher electrical loads
- Sold individually

Installation notes:
- Requires an alternator-style stand and compatible backing plate when converting from a generator
- External voltage regulator is not used
- Charging and ground wiring should be appropriately sized for the increased alternator output