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Piston Ring Squaring Tools

Piston Ring Squaring Tools

Easily square your piston rings in the cylinder bore with tools that make adjustments quick and precise. These are essential for achieving the best possible sealing surface in your race engine. Browse our piston ring squaring tools for thorough rebuilds.

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  • Price
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  • Piston Ring Squaring Tool - 4.125-4.200 Bore TOT08915

    Total Seal Piston Ring Squaring Tool - 4.125-4.200 Bore 8915

    TOTAL SEAL

    $42.05
    Proper piston ring seating is critical for compression integrity, blow-by control, and long-term engine reliability. This Total Seal squaring tool ensures your rings are perfectly perpendicular to the bore during installation, eliminating the guesswork...
    TOT08915
    SKU:
    TOT08915
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    8915
    $42.05
    Qty in Cart: 0
    Quantity:
    Price:
    $42.05
    Subtotal:
  • Piston Ring Squaring Tool - 4.000-4.085 Bore TOT08910

    Total Seal Piston Ring Squaring Tool - 4.000-4.085 Bore 8910

    TOTAL SEAL

    $42.05
    Proper piston ring installation is critical to engine sealing and longevity—misaligned rings lead to blow-by, compression loss, and premature wear. The Total Seal Piston Ring Squaring Tool ensures your rings sit perfectly perpendicular to the bore,...
    TOT08910
    SKU:
    TOT08910
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    MFG Part #:
    8910
    $42.05
    Qty in Cart: 0
    Quantity:
    Price:
    $42.05
    Subtotal:
  • Billet Piston Ring Squaring Tool 4.00-4.23 PFM67656

    Proform Billet Piston Ring Squaring Tool 4.00-4.23 67656

    PROFORM

    $54.99
    Proper piston ring gap spacing is critical to engine performance and longevity—incorrect gaps lead to blowby, loss of compression, and accelerated wear. This Proform billet squaring tool ensures your rings are perfectly perpendicular to the bore before...
    PFM67656
    SKU:
    PFM67656
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    MFG Part #:
    67656
    $54.99
    Qty in Cart: 0
    Quantity:
    Price:
    $54.99
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  • Billet Piston Ring Squaring Tool 4.24-4.38 PFM67654

    Proform Billet Piston Ring Squaring Tool 4.24-4.38 67654

    PROFORM

    $46.99
    Proper piston ring installation is critical to engine seal integrity and compression consistency. Without a squaring tool, rings can bind, twist, or seat unevenly, leading to blow-by, oil consumption, and lost power. This billet aluminum tool ensures...
    PFM67654
    SKU:
    PFM67654
    Availability:
    Ships Same Business Day
    Weight:
    0.60 LBS
    MFG Part #:
    67654
    $46.99
    Qty in Cart: 0
    Quantity:
    Price:
    $46.99
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Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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