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Speedy Bill
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Alternators

The alternator is used to charge the battery and power your cars electrical system while the engine is running.  We want to help keep the power flowing by stocking a huge selection of alternators in a variety of amperages and styles to fit almost any application.  No matter if you're looking for a classic Powergen alternator or a new Silver Bullet one wire alternator, we've got you covered. 

"Alternators and Components, Alternators" Page 1 of 2

  • King Chrome GM One Wire Alternator, 100 Amp
    King Chrome GM One Wire Alternator, 100 Amp
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    Streamline engine compartment by eliminating excess wires with this 1-wire alternator.  It fit most GM applications and feature a beautiful chrome plated finish.  This one wire alternator simply needs hook up direct to the main battery lead or power source. The internal regulator picks up the available current and kicks the alternator into the charge mode at pre set voltage.

    • 100 amp, one-wire
    • Chrome plated finish
    • Quick, easy hook-up with supplied instructions
    • Attaches to all popular GM alternator brackets
  • Tuff Stuff Silver Bullet One Wire Alternators - 100 Amp GM V-Belt Pulley
    Tuff Stuff Silver Bullet One Wire Alternators - 100 Amp GM V-Belt Pulley
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    The Silver Bullet 1-wire alternators are 100% new construction with a distinctive billet fan and pulley for good looks and increased performance. They are a one-wire hook-up with ultra low cut-in regulator which charges from a idle up to highway speeds.

    Fits GM mounts with V-belt pulley. 100 amp rating. Available in black powder coated or chrome finish.

  • King Chrome One Wire Alternator, 65 Amp
    King Chrome One Wire Alternator, 65 Amp
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                Streamline engine compartment by eliminating excess wires with this 1-wire alternator. Quick, easy hook-up with supplied instructions. Attaches to all popular GM alternator brackets.
            
  • Ford Mount One Wire Alternator, Chrome
    Ford Mount One Wire Alternator, Chrome
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    Ford-powered cars can now have chrome 1-wire alternator too! Delco style with 100 amp capacity with mounting bosses that fit nearly all Ford-type mounting brackets. Includes chrome single-groove v-belt pulley.

    • Replaces 1961 - 85 Small Case Alternators and 1986 - 93 Mustangs
    • Smooth Back (True 1 Wire)
    • No more messy wire harness
    • Bolts right up!
  • American Autowire 500511 70 Amp Relay and Plug w/ 12 Inch Pigtail Only
    American Autowire 500511 70 Amp Relay and Plug w/ 12 Inch Pigtail Only
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    American Autowire 70 Amp Relay and Plug w/ 12 Inch Pigtail Only

  • GM Chrome One Wire Alternator, 60 Amp
    GM Chrome One Wire Alternator, 60 Amp
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    Streamline engine compartment by eliminating excess wires with this 1-wire alternator.  They fit most GM applications and feature a beautiful chrome plated finish.  This one wire alternator simply needs hook up direct to the main battery lead or power source. The internal regulator picks up the available current and kicks the alternator into the charge mode at pre set voltage.  High output 60 amp 1-wire chrome alternator.

    • High output 60 amp
    • 1-wire alternator
    • Chrome finish
    • Quick, easy hook-up with supplied instructions
    • Attaches to all popular GM alternator brackets
  • Powergen 1949-53 Flathead Ford One Wire Alternator, 12 Volt
    Powergen 1949-53 Flathead Ford One Wire Alternator, 12 Volt
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    If you like traditional looks and reliable, modern performance, you’ll love this cool Flathead 1-wire alternator. It has the look of an original generator, but is really a 12-volt, negative-ground alternator that produces 60 amps at idle and 75 amps going down the road. This model is designed to fit 1949-1953 Ford & Mercury Cars and 1948-1953 Ford Trucks with Flathead V8s and features a simple one-wire hookup.

    We offer this one wire alternator in black painted or polished aluminum, and both include stock-appearing mounting brackets (the stock fan carrier bolts to that bracket) and pulleys that accept wide 5/8” belts.

    • Easy one-wire hookup
    • 5/8" wide belt pulley included
    • If using 3/8" wide belt, order pulley # 91067178
    • Uses stock-appearing bracket and fan carrier bolts

    910-67165 Instructions (PDF)

  • Powergen 1939-48 Flathead Ford One Wire Alternator, 12 Volt
    Powergen 1939-48 Flathead Ford One Wire Alternator, 12 Volt
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    If you like traditional looks and modern performance, you’re gonna love this cool Flathead 1-wire alternator. It has the look of an original generator, but is really a 12-volt, negative-ground alternator that produces 60 amps at idle and 75 amps going down the road.

    Designed to fit 1939-1948 Ford & Mercury Cars and 1939-1947 Ford Trucks with Flathead V8s. These feature a simple one-wire hookup and are available in black or polished aluminum.

    • Retains original generator appearance
    • Easy one-wire hookup
    • 60 amps at idle
    • 75 amps at road speed
    • Uses stock mounting bracket
    • Includes pulley for 5/8" wide belt
    • Pulleys for 3/8" wide belt available seperately

    Flathead Ford One Wire Alternator Instructions (PDF)

    Powergen Cutaway View (Link) 

  • 1973-86 GM Chrome Alternator, Internal Regulator, 60 Amp
    1973-86 GM Chrome Alternator, Internal Regulator, 60 Amp
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    All-new high output 60 amp 1973-86 GM style 3-wire internally regulated chrome alternator.

  • King Chrome 1969-Up GM Alternator, 63 Amp, 3-Wire, Internal Regulator
    King Chrome 1969-Up GM Alternator, 63 Amp, 3-Wire, Internal Regulator
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    These brand new alternators will fit most GM applications and feature a beautiful chrome plated finish.  The internal regulator picks up the available current and kicks the alternator into the charge mode at pre set voltage.  They are designed as replacements for 1969-Up GM vehicles. 

    • 63 amp, 3-wire
    • Chrome plated finish
    • 1969-Up GM applications
    • Quick, easy hook-up with supplied instructions
    • Attaches to all popular GM alternator brackets

     

  • Powergen 1939-48 Flathead Ford One Wire Alternator, 6 Volt
    Powergen 1939-48 Flathead Ford One Wire Alternator, 6 Volt
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    If you like traditional looks and modern performance, you’re gonna love this cool Flathead 1-wire alternator. It has the look of an original generator, but is really a 6-volt, positive-ground alternator that produces 60 amps at idle and 75 amps going down the road.

    Designed to fit 1939-1948 Ford & Mercury Cars and 1939-1947 Ford Trucks with Flathead V8s. These feature a simple one-wire hookup and are available in black or polished aluminum.

    • Retains original generator appearance
    • Easy one-wire hookup
    • 60 amps at idle
    • 75 amps at road speed
    • Uses stock mounting bracket
    • Includes pulley for 5/8" wide belt
    • Pulleys for 3/8" wide belt available seperately

    910-67172 Instructions (PDF)

  • Powermaster 8-722 Small Block Chevy 75 Amp Mini Alternator w/Serp-Belt Kit
    Powermaster 8-722 Small Block Chevy 75 Amp Mini Alternator w/Serp-Belt Kit
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    Powermaster provides all the electrical punch you need, while saving weight and space with these racing alternator kits. One-wire unit for small block Chevy using short pump only. Mounts on either side of engine. Cranks out 14.7 volts and 75 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
    • Excellent idle output
    • Gold battery post
    • Operating Range: -40°C to 150°C
    • Max RPM: 18,000
    • Weight: 8.885 lbs.

    NOTE:  Mini alternators are NOT IMCA approved for Hobby Stock or Sport Mod Divisions.

  • Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black
    New
    Powermaster 57297 GM 12SI 150 Amp Smooth Look Alternator, Black
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                Please view the product's page for more information
            
  • Early Ford Powergen One Wire Alternator, 75 Amp
    Early Ford Powergen One Wire Alternator, 75 Amp
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    These Powermaster Powergens allow you to keep the authentic looks of a generator with the efficiency of a 1-wire alternator. They put out 75 amps maximum with 60 amps at idle and are a simple one wire design.

    Fits all 1951-1959 engines (except Flathead) and 1960-1964 V-8's. Choose plain or polished. 

    910-67167 Instructions (PDF)

  • Tuff Stuff Silver Bullet One Wire Alternator, 100 Amp Rating
    Tuff Stuff Silver Bullet One Wire Alternator, 100 Amp Rating
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    The Silver Bullet 1 wire alternators are 100% new construction with a distinctive billet fan and pulley for good looks and increased performance. They are a one-wire hook-up with ultra low cut-in regulator which charges from a idle up to highway speeds.

    Fits GM mounts with six groove serpentine pulley. 100 amp rating. Available in black powder coated or chrome finish.

  • Powermaster 8-721 Small Block Chevy 75 Amp Mini Alternator w/V-Belt Kit
    Powermaster 8-721 Small Block Chevy 75 Amp Mini Alternator w/V-Belt Kit
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    Powermaster provides all the electrical punch you need, while saving weight and space with these racing alternator kits. One-wire unit for small block Chevy using short pump only. Mounts on either side of engine. Cranks out 14.7 volts and 75 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
    • Excellent idle output
    • Gold battery post
    • Operating Range: -40°C to 150°C
    • Max RPM: 18,000
    • Weight: 8.885 lbs.


  • King Chrome 1969-Up GM Chrome Alternator Dress Up Kit
    King Chrome 1969-Up GM Chrome Alternator Dress Up Kit
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                Complete kit includes chrome housing, chrome bolts, chrome fan and chrome pulley.
            
  • Powergen 1949-1953 Flathead Ford One Wire Alternator, 6 Volt
    Powergen 1949-1953 Flathead Ford One Wire Alternator, 6 Volt
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    If you like traditional looks and reliable, modern performance, you’ll love this cool Flathead alternator. It has the look of an original generator, but is really a 6-volt, positive-ground alternator that produces 60 amps at idle and 75 amps going down the road. This 1-wire alternator is designed to fit 1949-1953 Ford & Mercury Cars and 1948-1953 Ford Trucks with Flathead V8s and features a simple one-wire hookup.

    We offer it in black painted or polished aluminum, and both include stock-appearing mounting brackets (the stock fan carrier bolts to that bracket) and pulleys that accept wide 5/8” belts.

    • Easy one-wire hookup
    • 5/8" wide belt pulley included
    • If using 3/8" wide belt, order pulley # 91067178
    • Uses stock-appearing bracket and fan carrier bolts

    Flathead One Wire Alternator Instructions (PDF)

    Powergen Cutaway View (Link) 

    Flathead One Wire Alternator Specifications (Link) 

  • Garage Sale - Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP
    Garage Sale
    Garage Sale - Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP
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    This is garage sale priced because the chrome is peeling is some areas.

    NO WARRANTY, NO RETURNS ON GARAGE SALE ITEMS 

     

    The Silver Bullet 1-wire alternators are 100% new construction with a distinctive billet fan and pulley for good looks and increased performance. They are a one-wire hook-up with ulatra low cut-in regulator which charges from a idle up to highway speeds.

    Fits Ford mounts with six groove serpentine pulley. 140 amp rating.

  • Powermaster 8-881 Snug Mount 100 AMP Alternator Kit
    Powermaster 8-881 Snug Mount 100 AMP Alternator Kit
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    Mounts alternator on Iower driver's side. Fits S/B Chevy short water pump. Includes alternator, brackets, bolts, spacers, pulley and belt. Maintains 14.9 volts. From crankshaft centerline to outer edge of alternator is 12.3". 

    Contains:

    •  -Alternator
    •  -Alternator Pulley
    •  -Pulley-Crank Kit
    •  -Belt
    •  -Alternator Mounting Bracket
  • Powermaster 8162 50 Amp Mini Racing Alternator
    Powermaster 8162 50 Amp Mini Racing Alternator
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    Powermaster provides all the electrical punch you need, while saving weight and space. One-wire unit that cranks out 14.7 volts and 50 amps. 

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

    NOTE: Mini alternators are NOT IMCA approved for Hobby Stock or Sport Mod Divisions.

    Mini Alternator Dimensions (Link)

    Dyno Graph (Link)

  • Powermaster 67293 GM 12SI 150 Amp Alternator, Polished
    New
    Powermaster 67293 GM 12SI 150 Amp Alternator, Polished
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                Please view the product's page for more information
            
  • Powermaster 27294 GM 12SI 100 Amp Alternator, Polished
    New
    Powermaster 27294 GM 12SI 100 Amp Alternator, Polished
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                Please view the product's page for more information
            
  • Tuff Stuff Silver Bullet One Wire Alternator - 140 Amp GM V-Belt Pulley
    Tuff Stuff Silver Bullet One Wire Alternator - 140 Amp GM V-Belt Pulley
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    The Silver Bullet alternators are 100% new construction with a distinctive billet fan and pulley for good looks and increased performance. They are a one-wire hook-up with ultra low cut-in regulator which charges from a idle up to highway speeds.

    Fits GM mounts with V-belt pulley. 140 amp rating. Available in black powder coated or chrome finish.

    This alternator generates 80 AMPS at idle (750 RPM x 2.5 Pulley Ratio). 

  • Powermaster 57294 GM 12SI 150 Amp Alternator, Black
    New
    Powermaster 57294 GM 12SI 150 Amp Alternator, Black
    x
                Please view the product's page for more information
            
  • Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP Rating
    Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP Rating
    x
                

    The Silver Bullet alternators are 100% new construction with a distinctive billet fan and pulley for good looks and increased performance. They are a one-wire hook-up with ulatra low cut-in regulator which charges from a idle up to highway speeds.

    Fits Ford mounts with V-belt pulley. 140 amp rating. Available in black powder coated or triple chrome finish.

  • Tuff Stuff Silver Bullet One Wire Alternator, 100 AMP Rating
    Tuff Stuff Silver Bullet One Wire Alternator, 100 AMP Rating
    x
                

    The Silver Bullet 1-wire alternators are 100% new construction with a distinctive billet fan and pulley for good looks and increased performance. They are a one-wire hook-up with ultra low cut-in regulator which charges from a idle up to highway speeds.

    Fits Ford mounts with six groove serpentine pulleys. 100 amp rating. Available in black powder coated or triple chrome finish.

  • Tuff Stuff Silver Bullet One Wire Alternator, 100 AMP
    Tuff Stuff Silver Bullet One Wire Alternator, 100 AMP
    x
                

    The Silver Bullet alternators are 100% new construction with a distinctive billet fan and pulley for good looks and increased performance. They are a one-wire hook-up with ultra low cut-in regulator which charges from a idle up to highway speeds.

    Fits Ford mounts with a V-belt pulley. 100 amp rating. Available in black powder coated or triple chrome finish.

  • King Chrome 1965-1981 Ford Alternator, 60 Amp
    King Chrome 1965-1981 Ford Alternator, 60 Amp
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    Features a beautifully chrome plated O.E. style case. This 60 amp alternator is 100% brand new - not rebuilt.

    Fits 1965-1981 Ford engines.

  • Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP
    Tuff Stuff Silver Bullet One Wire Alternator, 140 AMP
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    The Silver Bullet 1-wire alternators are 100% new construction with a distinctive billet fan and pulley for good looks and increased performance. They are a one-wire hook-up with ulatra low cut-in regulator which charges from a idle up to highway speeds.

    Fits Ford mounts with six groove serpentine pulley. 140 amp rating. Available in black powder coated or triple chrome finish.

  • 6-Volt Alternator for Narrow 3/8 Inch Belt
    6-Volt Alternator for Narrow 3/8 Inch Belt
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    If you are still running the 6-volt system on your car, truck or even tractor, the generator is your weak point. Even at highway speed that old generator cannot put out enough to keep up with the lights, heater motor and radio. This alternator puts out 60 amps at 7.5 volts at highway speeds, up to 30 amps at idle, and has the regulator built in. It includes the required plug and can be installed on almost any engine by modifying or purchasing a new mounting bracket.

  • King Chrome 1963-68 GM Alternator, Ext Regulator, 80 Amp
    King Chrome 1963-68 GM Alternator, Ext Regulator, 80 Amp
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    Beautifully chrome plated, brand new - not rebuilt, 80 amp alternator for 1963-1968 GM.

    Wiring Diagram 

  • Powermaster 8-801 Small Block Chevy 50 Amp Mini Alternator Kit w/Serp-Belt
    Powermaster 8-801 Small Block Chevy 50 Amp Mini Alternator Kit w/Serp-Belt
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    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

    NOTE: Mini alternators are NOT IMCA approved for Hobby Stock or Sport Mod Divisions.

    Small Block Chevy Mini Alternator Dimensions (Link)

  • Mopar Chrome Alternator, 60 Amp
    Mopar Chrome Alternator, 60 Amp
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                This remanufactured chrome 60 Amp alternator fits 1961-1985 Mopar vehicles originally equipped with the small case alternator. It uses the stock external voltage regulator and includes a two groove pulley. 
            
  • Powermaster 8-17926 Snug-Fit Chrome Alternator, 100 Amp
    Powermaster 8-17926 Snug-Fit Chrome Alternator, 100 Amp
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    This 100 amp PowerMaster 1-wire alternator mounts on the lower left front of your Small Block Chevy. This is a simple one-wire hook-up and includes the bracket and hardware, and pulley.

    100 Amp Alternator Installation Instructions (PDF)

  • One Wire 14 Volt Racing Alternator
    One Wire 14 Volt Racing Alternator
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                Billet aluminum deep groove reduction pulley. These pulleys give your ignition system a hotter spark. 80 AMP, 14 Volt.

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