Product Summary

Chevy Small Block V8, One Wire Alternator, Black

  • Features a high output to weight ratio
  • Built with low drag, high speed bearings
  • This is a true 1-wire hookup with set voltage of 14.7
  • Specifically designed for the Small Block Chevy engine
  • Has a black heat dispersant coating and is IMCA approved

Key Specs

MFG. Part #8-801

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Powermaster 8-801 Details

Powermaster provides all the electrical punch you need, while saving weight and space. One-wire unit for small block Chevys using short water pumps. Mounts on either side of engine. Cranks out 14.7 volts and 53 amps. Kit includes mini alternator, brackets, bolts, spacers, drive pulley and belt.

  • True 1-wire hookup with set voltage of 14.7
  • High output to weight ratio
  • Low drag, high speed bearings
  • Black heat dispersant coating
  • IMCA approved



  • 30A @ 2,400 rpm @ 13.2 VDC @ 77°F
  • Operating Range:  -40°C to 150°C
  • Max RPM:  20,000
  • Weight:  5.80 lbs.
  • 5" deep from front to back
  • 4-1/4" wide on the back of the unit side to side
  • 5-1/4" on the centerline between the bolt mounting holes


Powermaster's warranty is one year from the date of purchase on all street rod components, and 90 days for any component use for an off road or race application.

Powermaster will provide technical support regarding warranty claims and inquiries directly to the purchaser to help resolve any warranty claims or necessary technical support for warranty resolution. Component or components can be returned to Speedway Motors as long as the product is still under warranty.

All customer service inquiries pertaining to warranty and defect claims are to be handled by Speedway Motors if under one year street or 90 days race. If the product is out of warranty please contact Powermaster direct to discuss their repair and return program.

Powermaster 8-801 Specifications

MFG. Part #8-801
One Wire AlternatorYes
Belt TypeSerpentine
Alternator Case StyleDenso
Alternator Amperage53 amp
Voltage Required12-Volt
Voltage Output14.7 Volts
Alternator FinishPowder Coated
Alternator Pulley IncludedYes
Alternator Brackets IncludedYes
Base Width4.25"
Sold in QuantityKit
NotesIncludes 3-groove pulley
GTIN Code692209001133
Belt IncludedYes
Pulley StyleSerpentine
Regulator StyleInternal
Regulator IncludedYes