Product Summary

One Wire Alternator, Generator Alternator Case Style

  • Includes pulley for 5/8" wide belt
  • Measure 5-1/2" in length from front to back
  • It is shortened 1-1/2" for additional clearance
  • Puts out 65 amp idle, 75 amp cruise, and 90 at amp top end
  • Specifically designed to fit the 1949-1953 Ford & Mercury Cars with Flathead V8s
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Key Specs

MFG. Part #
One Wire AlternatorYes
Alternator Amperage90 amp
Alternator Finish
Pulley StyleV-belt
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Need To Know

Quick and Easy Returns

Return Policy

Details

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.  These shorty versions are great for when you need additional clearance.

Designed to fit 1949-1953 Ford & Mercury Cars with Flathead V8s. These feature a simple one-wire hookup and are available in black or polished aluminum.

  • Retains original generator appearance
  • Shortened 1-1/2" for additional clearance
  • Easy one-wire hookup
  • 65 amp idle, 75 amp cruise, 90 amp top end
  • Includes pulley for 5/8" wide belt
  • Pulleys for 3/8" wide belt available separately
  • 5-1/2" length from front to back
  • Case diameter is 1/4" larger than a stock generator
  • Bracket is included

Charts

Warranty Information

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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.

Specifications

KEY SPECS
MFG. Part #
BrandPowermaster
One Wire AlternatorYes
Alternator Amperage90 amp
Alternator Finish
Pulley StyleV-belt
Belt TypeV-Belt
GENERAL
Alternator Case StyleGenerator
Voltage Required12-Volt
RegulatorInternal
Regulator StyleInternal
Regulator IncludedYes
Alternator Pulley IncludedYes
Belt Width0.625"
Alternator Brackets IncludedYes
Color
Sold in QuantityEach
NotesMade in the USA
GTIN Code
Belt IncludedNo
Coating TypePowdercoated

Ratings & Reviews

4.9

7 Reviews

Overall Assessment

Customers characterize our product as effective, of good quality, and offering excellent value for money. Especially efficient when running a twin carb set up on an 8BA, our product also works well with '50 Ford Flathead V-8 8ba, creating more room for power steering and multiple carbs. While installation may require slight modifications, users vouch for its versatility, recommending the product for various applications. Some even highlight it as a reliable solution when compared to alternatives, and show readiness to repurchase. These reviews solidify our product's reputation as a reliable and practical solution for car owners.

4.9

7 reviews

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Decent product but requires some work to install

4.0

3 years ago

JR 35 Pickup

Olcott, NY

Verified

Should do a good job for my application, but the included mounting bracket cannot be installed without modification.

Would Recommend

Yes

5.0

4 years ago

John

Milwaukie Oregon

Verified

Used in my 1950 Mercuryyes

Would Recommend

Great product I would happily purchase again

5.0

5 years ago

Spike

Melbourne, Australia

Verified

Just what is needed when running a twin carb set up on an 8BA Excellent value for money

Would Recommend

I would buy this again.

5.0

5 years ago

Petemcl

Northville, MI

Verified

The short alternator works well with my '50 Ford Flathead V-8 8ba with Offenhauser intake and Holley 390 cfm 4bbl carb. Also allows room for power steering pump.

Would Recommend

Good trustworthy parts

5.0

6 years ago

Eric

Acton, CA

Verified

Excellent product and Speedway always has the parts I need

Would Recommend

Great product

5.0

6 years ago

Xlr8er

Houston

Verified

Worked great! With shorty more room for multiple carbs.

Would Recommend

yes

5.0

8 years ago

fordabengt

Hoor Sweden

Verified

good ok

Would Recommend

Showing 7 of 7 reviews

Questions & Answers

7 Questions7 Answers

Is there a pulley available that would allow the mounting of the fan? (Stock pulleys have 4 threaded bolt holes for the fan.)

by Chris

7 years ago

1 answer

I have a 52 F1 with a 239 dual carbs coverting, dist. points to electronic ignitor. what if anything else will I need to change?

by Craig

8 years ago

1 answer

I am using an old model fenton manifold space from holly 94 to center of alternator 3/8 pulley is very close to 6.25 inches. will this powergen work???

by myrtle the turtle

10 years ago

1 answer

Will the alternator fit the 3x2 offy 1076 intake, or the Edelbrock 1109 ? Should be really close to front carb?

by big deuce

11 years ago

1 answer

Clearance issues with intake Will this clear intake set up P/N 925-1040 and if not what alternatoor will? Will the stock mount work, I plan to install it in the center line position using the origional mounting hardware on this 1951 motor.

by Hardass

11 years ago

1 answer

Will this alternator fit an Offenhouser dual regular intake, in the stock location.

by amc360

11 years ago

1 answer

are there brackets offered for the new powermaster shorty 5 1/2 generator for a small chevy with headers? 1931 model A with 327

by cabbage

12 years ago

1 answer

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