Piston Ring Compressor
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AutoCraft Piston Ring Compressor

Part No. AC526/W80572 Warranty Details  
$12.99
Quantity  Add to Cart
Designed for compressing piston rings

Product Features:
  • Complete with ratchet and key for easy adjustments
  • Beaded edge prevents compressor from falling into the cylinder
  • High-quality spring steel wrap
  • Lifetime warranty
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Adjustable:Yes
Finish:Nickel Plated
Material:Spring Steel / Carbon Steel
Maximum Diameter:2 in
Minimum Diameter:5 in
Type:Universal Ring Compressor

REVIEW SNAPSHOT®

by PowerReviews
AutoCraftPiston Ring Compressor
 
4.0

(based on 6 reviews)

Ratings Distribution

  • 5 Stars

     

    (3)

  • 4 Stars

     

    (2)

  • 3 Stars

     

    (0)

  • 2 Stars

     

    (0)

  • 1 Stars

     

    (1)

83%

of respondents would recommend this to a friend.

Reviewed by 6 customers

Displaying reviews 1-6

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5.0

Use correctly and it works like a $60 tool!

By 

from Indianapolis

Verified Reviewer

Pros

  • Compression rings fit well in the sleeve
  • Metal design for multiple uses
  • Perfect for small block or big block V8 engines

Cons

  • Clamps side around when lubrication is applied
  • Poor instructions on how to use product
  • Sharp edges will cut you easily

Best Uses

    Comments about AutoCraft Piston Ring Compressor:

    Great product! Couple things I'd like to advise is use the key wrench supplied when loosening the piston clamp's. That thing will spool out if you just open the release lever, and cut you. I would also suggest using a lubrication on the compressor itself on the inside to help slide the rings and piston into the bore easier. If you want to install compression rings one at a time that's OK too. You can install one ring and lightly tap the piston into the bore until you hear the compressor make a snap sound. When you hear that, the piston ring just made it into the bore. At this point the piston ring will be just enough in the bore to visibly see your ring gap, and enough meat will be left in between lands to install the compressor no problem. I also use a rubber mallet and lightly tap the top of the compressor to square it up with the block deck (becareful doing this on aluminium block), it will prevent the compressor tool from being uneven and rings popping out the side of the tool. Lastly push on the compressor edges on the top to keep the bottom flush on the bore, wear gloves because it is sharp. You will have to hold it with one hand and tap lightly on the top, until it slides in the bore.

    • Was this a gift?:
    • No
     
    5.0

    Works Very well

    By 

    from Lawrence,KS

    See all my reviews

    Verified Buyer
    3 or more reviews submitted

    Pros

    • Easy To Use
    • Strong

    Cons

    • Sharp

    Best Uses

      Comments about AutoCraft Piston Ring Compressor:

      Works as well as expected for a wrap type piston install tool. The edges are sharp so be careful not to slit open your fingers.

      • Was this a gift?:
      • No

      (1 of 1 customers found this review helpful)

       
      4.0

      Right price for one time job

      By 

      from Moyock, NC

      About Me Auto Enthusiast

      See all my reviews

      Verified Buyer
      3 or more reviews submitted

      Pros

      • Easy to use
      • Price

      Cons

        Best Uses

        • Minor Repairs

        Comments about AutoCraft Piston Ring Compressor:

        Right price for a installing rings for a one engine rebuild.

        (2 of 4 customers found this review helpful)

         
        4.0

        Does what it should

        By 

        from Central PA

        About Me Auto Enthusiast

        Pros

        • Good Grip

        Cons

        • Flimsy

        Best Uses

          Comments about AutoCraft Piston Ring Compressor:

          I bought this for a 4G63 build I am working on and it worked just fine for that. It is pretty easy to torque down even if it is covered in oil but the release latch can be a bit difficult to operate. For the price though I really can't complain much and if you only need it for one build I wouldn't hesitate to pick one up.

          (22 of 35 customers found this review helpful)

           
          5.0

          Gets the job done!!!!

          By 

          from Jacksonville, FL

          About Me Auto Enthusiast, Competitive Driver, Mechanic

          Pros

          • Gets the job done
          • Works well

          Cons

            Best Uses

            • Great one time use tool

            Comments about AutoCraft Piston Ring Compressor:

            Not a bad tool for a one time use. No need to buy a $50 ring compressor to build 1 engine. Worked fine for me, no issues at all.

            (17 of 46 customers found this review helpful)

             
            1.0

            cheap junk

            By 

            from rochester nh

            About Me Mechanic

            Pros

              Cons

              • Flimsy

              Best Uses

              • Scrap

              Comments about AutoCraft Piston Ring Compressor:

              will look for a better ring compressor

              Displaying reviews 1-6

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              Do you have questions about this product?

               

              Ask a question, get answers from real customers and in-house experts. For further assistance, please review your support options on our Contact Us page.

              3 Questions | 3 Answers
              Displaying questions 1-3
              • Q:

                Is this a take apart compressor?
                Asked on 3/15/2016 by pepaw

                1 answer

                • CUSTOMER CARE

                  A:

                  No, Pepaw! This Piston Ring Compressor - Part No. AC526/W80572 used to install pistons without damage. This engine tool use positive compression and an adjustable friction brake to install pistons on most passenger cars. Having this tool to service your engine is a must!

                  Answered on 3/16/2016 by Solomon from AAP
              • Q:

                What is the largest diameter it opens to.
                Asked on 11/28/2010 by Anonymous

                1 answer

                • CUSTOMER CARE

                  A:

                  This should open up to a little over 4 inches.

                  Answered on 1/12/2011 by Anonymous
              • Q:

                what is the smallest diamter piston this can secure??
                Asked on 6/1/2010 by bj from st. petersburg, fl

                1 answer

                • CUSTOMER CARE

                  A:

                  You should be able to do something as small as a motorcycle piston.

                  Answered on 8/17/2010 by MICHAEL from aap
              Displaying questions 1-3

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