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America's Oldest Speed Shop ® 800.979.0122 Lincoln, NE
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800.979.0122

(CST) 7am - 10pm

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Mon-Fri 8am - 5pm

Canadian Order Line:

855.313.9180

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Since 1952
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1955-68 Small Block Chevy Single Groove Upper Pulley, Short Water Pump

Specs
Material Type:
Steel
Sold in Quantity:
Each
Finish:
Chrome
Belt Type:
V-Belt
Groove Count:
1
Bolt Hole Pattern:
4 on 1.75
Shaft Diameter:
.63
Outside Diameter:
7301
Mounted Length:
2.72
Belt Width:
.40
Notes
Mounted length is from the face of the water pump pulley mount towards the front of the engine.
1955-68 Small Block Chevy Single Groove Upper Pulley, Short Water Pump
1955-68 Small Block Chevy Single Groove Upper Pulley, Short Water Pump
1955-68 Small Block Chevy Single Groove Upper Pulley, Short Water Pump

Click image to enlarge

Details

Reviews

Q & A

What's in the Box

These upper pulleys for 1955-68 short water pumps feature a single groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines.  Sitting flat on the workbench, the pulley is 2-3/4" high in the center at the water pump.

  • Upper pulley
  • 1955-68 283-350 V8 small block Chevy engine
  • Short water pumps
  • Single groove  
  • 7-1/8" Diameter
  • Chrome plated finish

Note:  These upper pulleys will not work with our lower pulley (91015424).  Use our lower pulley (91015422) to correspond for proper alignment with these upper pulleys.

Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

Item Details

Upper, 7-1/8" Diameter
Not compatible w/ pulley 910-15424

Customer Reviews

Rated 3.6 out of 5 by 8 reviewers.
RATING BREAKDOWN
8 reviews
5 Stars
4
4 Stars
1
3 Stars
1
2 Stars
0
1 Star
2
RECOMMEND THIS PRODUCT:

Rapid Ron
Verified Purchaser
Warminster

Good quality!

August 20, 2015
Fit perfectly & looks good!
Yes, I recommend this product.
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Buckskin
Verified Purchaser
Oshkosh,wi.

Small can be great!

July 27, 2015
It is what I expected when I ordered it. Nice to get a product that you see on-line and is really built to the stated quality standards.
Yes, I recommend this product.
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JonC
Lagunitas, CA

Out of round... wobbly

February 18, 2015
This the second unit I've tried to use. Both are out of round or wobbly after installation. Nice chrome, but the stamping is off center. Not worth sending back again due to shipping costs.
Pros:
  • Nice chrome
Cons:
  • wobbly
  • stamped off center
No, I would not recommend this product.
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Merchant Response:

This customer was issued a return label for a full refund/exchange. We apologize for any frustration or inconvenience this may have caused and are always happy to help in any way that we can!
fordcoupe30
Verified Purchaser
sebring, fl

poor

May 18, 2014
the chrome is nice, but unfortunately, the steel pulleys are out of round and wobble slightly after installation.
Pros:
  • Nice chrome
Cons:
  • out of round
No, I would not recommend this product.
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Merchant Response:

Speedway Motors customer service team has issued this customer a replacement for the defective pulley received. We apologize for any inconvenience this may have caused.
ropha
Verified Purchaser
Alden, NY 14004, USA

very satisfied so far

October 13, 2012
So far, satisfied by quality of looks and cost. Still building so have not started engine yet.
Yes, I recommend this product.
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HotrodFordDana
Verified Purchaser
Raleigh, NC

I'd buy it again.

June 07, 2011
Bolts right on and runs true i.e. no wobble.
Pros:
  • Easy To Install
  • Nice chrome
  • Durable
Yes, I recommend this product.
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hotrod 54
Verified Purchaser
california, mo

not bad

March 25, 2011
nice fit and finish however it does wobble up and down a bit, not perfectly round. my friend has the same pulley on his car and it does the same thing. works perfect, just wobbles a bit.
Pros:
  • Durable
  • Easy To Install
Yes, I recommend this product.
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T fabber
Verified Purchaser
Fresno Ca.

What a deal.

December 06, 2010
This beats going the the chrome shop.you get a new pulley with good quality chrome for[$].
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

1 questions : 1 answers

1 answers

Are there differant diameter water pump pulleys? My car runs hot at slow/parade speed and idle. I want to keep it looking stock and would rather not use an electric fan. I have this thought if I could find a water pump pully with a little bit smaller diameter it would increase both fan speed and water pump impeller speed/water flow at idle. I understand that of course the fan and water pump speed would increase at upper end rpm also. This is a mild 350 chevy small block and will not turn over 5500 rpm. ARE there differant diameter "smaller diameter than stock", water pump pulleys availabe for SBC long water pumps.

Paparoy
Morrisonville, NY, USA
July 19, 2014

Are there differant diameter water pump pulleys? My car runs hot at slow/parade speed and idle. I want to keep it looking stock and would rather not use an electric fan. I have this thought if I could find a water pump pully with a little bit smaller diameter it would increase both fan speed and water pump impeller speed/water flow at idle. I understand that of course the fan and water pump speed would increase at upper end rpm also. This is a mild 350 chevy small block and will not turn over 5500 rpm. ARE there differant diameter "smaller diameter than stock", water pump pulleys availabe for SBC long water pumps.

Answers

August 04, 2014
EricM
Sorry I do not offer an upper pulley that is smaller than the stock sizes.
Page 1 of 1

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Learn more about using different water pump accessories to best fit your application by reading our tech article.  SBC - Short vs Long Water Pump

Item Details

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1955-68 Small Block Chevy Single Groove Lower Pulley, Short Water Pump
(Part #91015422)
                        

These lower pulleys for 1955-68 short water pumps feature a single groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines. 

  • Lower pulley
  • 1955-68 283-350 V8 small block Chevy engine
  • Short water pumps
  • Single groove  
  • 6-3/4" Diameter
  • Chrome plated finish

Note: Use our upper pulley (91015421) to correspond for proper alignment with these lower pulleys.

Get the correct pulleys for your application by learning which water pump you have as explained in our tech article. SBC - Short vs Long Water Pump.

Item Details

Lower, 6-3/4" Diameter
1955-68 Small Block Chevy Double Groove Lower Pulley, Short Water Pump
(Part #91015424)
                        

These lower pulleys for 1955-68 short water pumps feature a double groove with a beautiful chrome finish.  They will work with 283-350 V8 small block Chevy engines.

  • Lower pulley
  • 1955-68 283-350 V8 small block Chevy engine
  • Short water pumps
  • Double groove  
  • 7-3/8" Diameter
  • Chrome plated finish

Note:  These lower pulleys will not work with our upper pulley (91015421).  Use our upper pulley (91015423) to correspond for proper alignment with these lower pulleys.


Item Details

Lower, 7-3/8" Diameter, Chrome
Single Groove Water Pump Pulley Small Block Chevy Short Pump
(Part #91039600)
                        

This single groove water pump pulley for Small Block Chevys will replace your lost or damaged pulley. This product is sold individually.

  • Replace lost or damaged original pulleys
  • Black EDP finish
  • Small Block Chevy
  • Short Pump
  • Sold Individually