Denso Style 90 Amp Mini Alternator - Chrome

Maximize charging performance without sacrificing valuable engine bay space with this Denso-Style 90 Amp Mini Race Alternator. Designed for street rods, hot rods, race cars, drag cars, engine swaps, custom builds, and other space-constrained applications, this compact alternator delivers reliable charging performance in a lightweight, small-case package.

The 90 amp output provides the charging capacity needed to support upgraded ignition systems, electric fuel pumps, electric cooling fans, lighting upgrades, gauges, data logging systems, and other electrical accessories commonly found on performance vehicles. Increased charging capacity helps maintain stable system voltage while reducing the charging limitations often associated with older factory charging systems.

Built using a compact Denso-style housing, this mini alternator is specifically designed for applications where engine bay space is limited. Its lightweight construction and reduced overall size make it a popular choice for street rods, hot rods, drag racing vehicles, kit cars, custom chassis builds, and engine swap projects where clearance around headers, steering components, chassis tubing, or suspension components is critical.

The one-wire capable design simplifies wiring while the internal voltage regulator helps maintain consistent charging performance. These features make installation easier for custom applications where clean wiring and minimal electrical complexity are desired.

Equipped with a V-belt pulley and durable aluminum housing, this alternator is engineered for dependable operation in both street and competition environments. The bright chrome finish provides a clean, show-quality appearance while delivering the performance needed to support modern electrical demands.

Whether you're building a street rod, upgrading a hot rod, finishing a race car, or solving clearance issues in a custom engine bay, this Denso-style mini alternator provides the charging capacity, compact packaging, and reliability needed for dependable operation.

Compact Mini Alternator Design
• Small Denso-style case
• Lightweight aluminum construction
• Ideal for limited-clearance applications
• Popular for engine swaps and custom builds

90 Amp Charging Performance
• Supports electric fuel pumps
• Supports ignition systems
• Supports electric cooling fans
• Supports lighting and gauges

COMPATIBLE WITH
Universal applications where alternator dimensions, mounting points, pulley style, belt alignment, and wiring configuration are verified before installation.

COMMON VEHICLE APPLICATIONS
Often used in custom installations requiring a compact alternator package, including:
• Small Block Chevy Builds
• Big Block Chevy Builds
• LS Engine Swaps
• Ford Windsor Builds
• Chrysler Small Block & Big Block Builds
• Custom Muscle Cars
• Classic Trucks
• Off-Road Builds
• Dune Buggies
• Sand Rails

NOTES:
• Universal fitment requires verification of:
• Mounting ear spacing
• Pulley style and diameter
• Belt alignment
• Bracket compatibility
• Wiring configuration
• Engine bay clearance

SPECIFICATIONS:
AC Service Tap: No
Amperage Rating: 90 A
Brushless: No
Case Circumference: 13.200 in.
Case Color: Silver
Case Material: Aluminum
Distance Between Mounting Feet: 6.150 in.
External Fan Included: No
External Regulator Included: No
Family: Denso
Fan Type: Internal
Finish: Chrome
Ground Type: Case ground
One Wire Capable: Yes
Outside Pulley Diameter: 2.610 in.
Pulley Belt Type: V-belt
Pulley Groove Quantity: 1
Pulley Included: Yes
Regulator Type: Internal
Rotation Direction: Clockwise
Terminal Quantity: 1
Voltage: 12 VDC