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Small Block Chevy Lower Alternator Bracket, Plain

SAME DAY SHIPPING! Most orders ship within 24 hours.

Specs
Material Type:
Steel
Overall Length:
5.40
Sold in Quantity:
Each
Overall Thickness:
.41
Finish:
Zinc
Slot Length:
2.76
Slot Width:
.35
Bushing Length:
1.38
Bushing Diameter:
.38
Notes
Bracket will not work with some of our T-bucket frame kits as it interferes with the Vega steering box.
Small Block Chevy Lower Alternator Bracket, Plain
Small Block Chevy Lower Alternator Bracket, Plain
Small Block Chevy Lower Alternator Bracket, Plain
Small Block Chevy Lower Alternator Bracket, Plain

Click image to enlarge

Details

Reviews

Q & A

What's in the Box

Mounts GM "Delco" style alternators beside oil pan at left front corner of your small block Chevy V8. Works with the short ('55-'68) water pump. Includes bracket and spacer.

Note: Watch for steering box clearance!

Alternator Bracket Illustration (GIF)

Notes

  1. Mounts alternator down beside oil pan, using early front motor mount holes.
  2. This bracket will NOT work with some of Speedway's T-bucket kits becauseit interferes with the Vega steering box.

Customer Reviews

Rated 4 out of 5 by 8 reviewers.
RATING BREAKDOWN
8 reviews
5 Stars
3
4 Stars
3
3 Stars
1
2 Stars
1
1 Star
0
RECOMMEND THIS PRODUCT:

miken
Verified Purchaser
co
Product Rating

needed modification

August 18, 2014
needed to cut one bolt hole off to clear the block. also had to oversize the remaining bolt hole to allow belt adjustment
Yes, I recommend this product.
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JDGTHEMAN
Verified Purchaser
Terrell, TX, USA
Product Rating

great for small spaces!!!

May 04, 2014
Works great on a narrow frame, and very easy to modify if needed.
Pros:
  • great price!
  • very heavy duty!
Cons:
  • None
Yes, I recommend this product.
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MileHighMenace13
Verified Purchaser
Colorado
Product Rating

Not for Chevy II

August 30, 2013
The product is good, the price was great. I like the fact that is was NOT chrome! But it won't fit a 62-65 Chevy II/Nova the cross member is in the way. I will use it on another project.
Pros:
  • come with hardware
  • not chrome
Cons:
  • minor adjustments needed
  • not for 62-65 nova
Yes, I recommend this product.
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Ruttin
Verified Purchaser
Tenn.
Product Rating

Little work makes it right.

March 13, 2012
This bracket is well made and finished. I had to cut the top hole off,to get a standard GM 1-wire alt. to fit and have adjustment for the belt. The top of the bracket would hit the timing cover,and the alt.,was hitting the oil pan. After triming the top hole(a 5 min.job)it worked fine,and is a way better bracket than the other lower,alt. bracket.
Yes, I recommend this product.
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Doug
Verified Purchaser
St. Helens Oregon
Product Rating

Good sturdy unit. Looks and fits great.

April 17, 2011
Good fit, very tight to block. Nice finish.
Yes, I recommend this product.
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Lesbob
Bucyrus Ohio 44820
Product Rating

good product would buy again

April 02, 2010
used to get the alternator tucked to motor to make room for my headers
Yes, I recommend this product.
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38plymouth350
Verified Purchaser
Product Rating

be careful of clearance

August 23, 2014
First off, it only fits old style Delco alternators. not the newer style I had. so I got a old one. Then it wouldn't clear the harmonic balancer. The harmonic balancer was stock. so I had to re engineer mine. my block was a mid 80s so maybe this kit is for older blocks. idk just be careful
Pros:
  • cheap works looks decent
Cons:
  • didn't fit my motor or alternator at all.
Yes, I recommend this product.
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jabgoon
Verified Purchaser
Product Rating

Good piece for the right application

February 09, 2013
This is a sturdy well built piece, but it won't work if you are using a Speedway Model A frame and Vega steering box mounted in the traditional locations.
Yes, I recommend this product.
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Page 1 of 1
91667902

Product Q&A

4 questions : 5 answers

1 answers

Specific year GM Delco style alternators My alternator is too big or the bracket is too thick. Is this because I have the wrong GM alternator? What years are "Delco" style? Or do I need to do some grinding and filing for my alternator to work?

tfeverfred
Houston, TX, USA
July 30, 2014

Specific year GM Delco style alternators My alternator is too big or the bracket is too thick. Is this because I have the wrong GM alternator? What years are "Delco" style? Or do I need to do some grinding and filing for my alternator to work?

Answers

August 04, 2014
Travisp
Most alternators have the same basic case except for the high output over 100 amp. The difference comes in the mounting points and many times the same part number will have different mounting dimensions as far as the thickness is concerned and the other location is the wiring hook up terminals. It is not uncommon to have to grind on the casting to get the alternator back far enough or to have to space the alternator forward.
1 answers

I see the width when installed is 5.40"wide I have the clearance width wise but I am concerned about how high the bracket is!! What is the dim. from the top mounting hole to the bottom adjusting slot? I am not sure if it will hit my tie rods at the bottom of the bracket! Thanks Ron

Ronb67
Oak Lawn, IL, USA
March 31, 2013

I see the width when installed is 5.40"wide I have the clearance width wise but I am concerned about how high the bracket is!! What is the dim. from the top mounting hole to the bottom adjusting slot? I am not sure if it will hit my tie rods at the bottom of the bracket! Thanks Ron

Answers

April 01, 2013
Jason
This small block alternator bracket is 5.40" in width and 9.125" tall. Center of top mount hole to center of adjusting slot is 8.125". Slot width is .35"
2 answers

It shows that this bracket is 0.410 inches thick. Is this really the thickness?

Max
Sioux City, IA
September 14, 2012

It shows that this bracket is 0.410 inches thick. Is this really the thickness?

Answers

November 13, 2012
pops
i purchased part # 916-67900. the chrome unit and eyeballin it with a tape it appears to be 3/16 of an inch thick. under a 1/4" which i think should be .250. seems to be plenty sturdy unless your doin some serious rock crawlin/off roadin.
September 17, 2012
Eric
Yes it is! With the design of the bracket it must be extra stout to support the alternator and belt tension from just those two engine mounting bolts.
1 answers

will this fit an 04 z71 4x4 avalanche 1500 and work for adding a second alternator? Already custom made a dual alt bracket next to original but looking to add a 3rd alt and saw this...a little cutting or grinding is not an issue for me if it will work?

plexlove
mizsouri
April 08, 2015

will this fit an 04 z71 4x4 avalanche 1500 and work for adding a second alternator? Already custom made a dual alt bracket next to original but looking to add a 3rd alt and saw this...a little cutting or grinding is not an issue for me if it will work?

Answers

April 08, 2015
EricM
This is not made to fit the engine in your 2004 Avalanche but you may be able to use this as a starting point when building a custom bracket.
Page 1 of 1

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All customers service inquiries pertaining to warranty and defect claims are to be directed to Powermaster and not to Speedway Motors:


Powermaster Customer & Tech Support

Phone: (630) 957-4019

Email: tech@powermasterperformance.com


Any Powermaster product that is returned directly to Speedway Motors that is not in a new condition, and that is being returned for warranty replacement or refund consideration will be immediately forwarded on to Powermaster from Speedway Motors on behalf of the purchaser with no further action taken until received by Powermaster.  Powermaster will then will provide both the purchaser and Speedway Motors with final resolution as to the warranty claim.

 

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All customers service inquiries pertaining to warranty and defect claims are to be directed to Powermaster and not to Speedway Motors:


Powermaster Customer & Tech Support

Phone: (630) 957-4019

Email: tech@powermasterperformance.com


Any Powermaster product that is returned directly to Speedway Motors that is not in a new condition, and that is being returned for warranty replacement or refund consideration will be immediately forwarded on to Powermaster from Speedway Motors on behalf of the purchaser with no further action taken until received by Powermaster.  Powermaster will then will provide both the purchaser and Speedway Motors with final resolution as to the warranty claim.

Powermaster 67293 GM 12SI 150 Amp Alternator, Polished
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Powermaster 67293 Alternator Instructions (PDF)

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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 all warranty service and technical support regarding warranty claims and inquiries directly to the purchaser to resolve any warranty claims or necessary technical support for warranty resolution.  Speedway Motors is not able to service, warranty, or replace any unit that has a warranty consideration.  As such, the component or components are to be returned to Powermaster and not to Speedway Motors.  

All customers service inquiries pertaining to warranty and defect claims are to be directed to Powermaster and not to Speedway Motors:


Powermaster Customer & Tech Support

Phone: (630) 957-4019

Email: tech@powermasterperformance.com


Any Powermaster product that is returned directly to Speedway Motors that is not in a new condition, and that is being returned for warranty replacement or refund consideration will be immediately forwarded on to Powermaster from Speedway Motors on behalf of the purchaser with no further action taken until received by Powermaster.  Powermaster will then will provide both the purchaser and Speedway Motors with final resolution as to the warranty claim.