The Story
This 100 A Square Back alternator is built for Chevy Small Block and Chevy Big Block and Mopar applications that need reliable charging capacity with a clean powder-coated finish. It provides the electrical output needed to support upgraded ignition systems, electric cooling fans, fuel pumps, lighting, and additional accessories.
High Output Charging Performance
With a 100 A output rating, this alternator delivers the charging capacity needed for vehicles running added electrical demand. Strong output helps maintain consistent system voltage in street, cruise, and stop-and-go driving conditions.
Consistent Voltage & Electrical Stability
The internal charging design helps reduce voltage drop that can affect ignition performance, fuel delivery, lighting, and sensitive electronic components under load.
Durable Internal Construction
Built with quality internal components, this alternator is designed to handle heat, vibration, and sustained electrical demand commonly found in street and performance applications.
V-belt Pulley Configuration
Equipped with a v-belt pulley setup, this unit should be matched to the belt system and mounting layout listed in the specifications.
Direct-Fit Installation
The Square Back case and a support a straightforward installation when paired with the correct brackets, wiring, and pulley alignment.
Fitment
COMPATIBLE WITH
CHRYSLER BIG BLOCK "B" V8
• 5.9 L / 361 in3
• 6.3 L / 383 in3
• 6.6 L / 400 in3
CHRYSLER BIG BLOCK "RB" V8
• 6.8 L / 413 in3
• 7.0 L / 426 in3 commonly referred to as "426 Wedge"
• 7.2 L / 440 in3
CHRYSLER SMALL BLOCK "LA" V8
• 5.2 L / 318 in3
• 5.8 L / 360 in3
CHRYSLER INLINE "SLANT" 6
• 3.7 L / 225 in3
NOTE: Commonly used in many Chrysler vehicles from 1961-1989.
Alternators differ by application; verify dimensions in "Instructions & Diagrams" tab before ordering.
Specifications:
AC Service Tap: No
Amperage Rating: 100 A
Brushless: No
Case Circumference: 17.060 in.
Case Color: Black
Case Material: Aluminum
Distance Between Mounting Feet: 6.610 in.
External Fan Included: No
External Regulator Included: No
Family: Square Back
Fan Type: Internal
Finish: Powder-coated
Ground Type: Case ground
Mounting Type: A
One Wire Capable: Yes
Outside Pulley Diameter: 2.750 in.
Pulley Belt Type: V-belt
Pulley Groove Quantity: 2
Pulley Included: Yes
Regulator Type: Internal
Rotation Direction: Clockwise
Split Mounting Foot Overall Inner Spacing: 6.610 in.
Split Mounting Foot Overall Outside Spacing: 7.950 in.
Terminal Quantity: 2
Voltage: 12 VDC
Description
This 100 A Square Back alternator is built for Chevy Small Block and Chevy Big Block and Mopar applications that need reliable charging capacity with a clean powder-coated finish. It provides the electrical output needed to support upgraded ignition systems, electric cooling fans, fuel pumps, lighting, and additional accessories.
High Output Charging Performance
With a 100 A output rating, this alternator delivers the charging capacity needed for vehicles running added electrical demand. Strong output helps maintain consistent system voltage in street, cruise, and stop-and-go driving conditions.
Consistent Voltage & Electrical Stability
The internal charging design helps reduce voltage drop that can affect ignition performance, fuel delivery, lighting, and sensitive electronic components under load.
Durable Internal Construction
Built with quality internal components, this alternator is designed to handle heat, vibration, and sustained electrical demand commonly found in street and performance applications.
V-belt Pulley Configuration
Equipped with a v-belt pulley setup, this unit should be matched to the belt system and mounting layout listed in the specifications.
Direct-Fit Installation
The Square Back case and a support a straightforward installation when paired with the correct brackets, wiring, and pulley alignment.
Fitment
COMPATIBLE WITH
CHRYSLER BIG BLOCK "B" V8
• 5.9 L / 361 in3
• 6.3 L / 383 in3
• 6.6 L / 400 in3
CHRYSLER BIG BLOCK "RB" V8
• 6.8 L / 413 in3
• 7.0 L / 426 in3 commonly referred to as "426 Wedge"
• 7.2 L / 440 in3
CHRYSLER SMALL BLOCK "LA" V8
• 5.2 L / 318 in3
• 5.8 L / 360 in3
CHRYSLER INLINE "SLANT" 6
• 3.7 L / 225 in3
NOTE: Commonly used in many Chrysler vehicles from 1961-1989.
Alternators differ by application; verify dimensions in "Instructions & Diagrams" tab before ordering.
Specifications:
AC Service Tap: No
Amperage Rating: 100 A
Brushless: No
Case Circumference: 17.060 in.
Case Color: Black
Case Material: Aluminum
Distance Between Mounting Feet: 6.610 in.
External Fan Included: No
External Regulator Included: No
Family: Square Back
Fan Type: Internal
Finish: Powder-coated
Ground Type: Case ground
Mounting Type: A
One Wire Capable: Yes
Outside Pulley Diameter: 2.750 in.
Pulley Belt Type: V-belt
Pulley Groove Quantity: 2
Pulley Included: Yes
Regulator Type: Internal
Rotation Direction: Clockwise
Split Mounting Foot Overall Inner Spacing: 6.610 in.
Split Mounting Foot Overall Outside Spacing: 7.950 in.
Terminal Quantity: 2
Voltage: 12 VDC
