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Piston Rings

Piston Rings

Piston Rings

Circle Track Piston Rings at JJ Motorsports

Maintain optimal compression and minimize blow-by in your circle track engine with high-performance piston rings from JJ Motorsports. Designed for demanding racing conditions, these gapless and file-fit rings reduce friction, improve sealing, and enhance power output for IMCA, USMTS, and dirt oval applications in late models, modifieds, and street stocks, compatible with various bore sizes and tension levels.

Shop trusted brands like Total Seal for Maxseal gapless rings. Explore related categories such as Circle Track Pistons for matching pistons or Circle Track Connecting Rods and Components for internal upgrades.

Top Circle Track Piston Rings

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Piston Ring Set 4.030 1/16 1/16 1/8 SEAR9342-35

    Piston Ring Set 4.030 1/16 1/16 1/8 SEAR9342-35

    SEALED POWER

    $183.99
    Piston Rings - Speed Pro - 4.030 in Bore - File Fit - 1/16 x 1/16 x 1/8 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR9342-35
    SKU:
    SEAR9342-35
    Availability:
    Ships Same Business Day
    Weight:
    0.93 LBS
    MFG Part #:
    R934235
    $183.99
    Qty in Cart: 0
    Quantity:
    Price:
    $183.99
    Subtotal:
  • Piston Ring Set 4.060 1/16 1/16 3/16 SEAR8902-60

    Piston Ring Set 4.060 1/16 1/16 3/16 SEAR8902-60

    SEALED POWER

    $124.99
    Piston Rings - Speed Pro - Claimer Series - 4.060 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Moly - 8 Cylinder - Kit
    SEAR8902-60
    SKU:
    SEAR8902-60
    Availability:
    Ships Same Business Day
    Weight:
    0.98 LBS
    MFG Part #:
    R890260
    $124.99
    Qty in Cart: 0
    Quantity:
    Price:
    $124.99
    Subtotal:
  • Piston Ring Set 4.040 1/16 1/16 3/16 SEAR8902-40

    Piston Ring Set 4.040 1/16 1/16 3/16 SEAR8902-40

    SEALED POWER

    $124.99
    Piston Rings - Speed Pro - Claimer Series - 4.040 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Moly - 8 Cylinder - Kit
    SEAR8902-40
    SKU:
    SEAR8902-40
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    R890240
    Qty in Cart: 0
    Quantity:
    Price:
    $124.99
    Subtotal:
  • Piston Ring Set 4.030 1/16 1/16 3/16 SEAR8902-30

    Piston Ring Set 4.030 1/16 1/16 3/16 SEAR8902-30

    SEALED POWER

    $110.99
    Piston Rings - Speed Pro - Claimer Series - 4.030 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Moly - 8 Cylinder - Kit
    SEAR8902-30
    SKU:
    SEAR8902-30
    Availability:
    Ships Same Business Day
    Weight:
    0.97 LBS
    MFG Part #:
    R890230
    $110.99
    Qty in Cart: 0
    Quantity:
    Price:
    $110.99
    Subtotal:
  • Piston Ring Set 4.155 1/16 1/16 3/16 SEAR8375-30

    Piston Ring Set 4.155 1/16 1/16 3/16 R837530

    SEALED POWER

    $131.99
    Piston RingsSpeed ProClaimer Series4.155 in Bore1/16 x 1/16 x 3/16 in ThickStandard TensionMoly8 CylinderKit
    SEAR8375-30
    SKU:
    SEAR8375-30
    Availability:
    Ships Same Business Day
    Weight:
    1.02 LBS
    MFG Part #:
    R837530
    $131.99
    Qty in Cart: 0
    Quantity:
    Price:
    $131.99
    Subtotal:
  • Piston Ring Set 4.030 1/16 1/16 3/16 SEAR6902-30

    Piston Ring Set 4.030 1/16 1/16 3/16 R690230

    SEALED POWER

    $96.99
    Piston RingsSpeed ProClaimer Series4.030 in Bore1/16 x 1/16 x 3/16 in ThickStandard TensionCast8 CylinderKit
    SEAR6902-30
    SKU:
    SEAR6902-30
    Availability:
    Ships Same Business Day
    Weight:
    1.01 LBS
    MFG Part #:
    R690230
    $96.99
    Qty in Cart: 0
    Quantity:
    Price:
    $96.99
    Subtotal:
  • Piston Ring Set 4.185 5/64 5/64 3/16 SEAR5879-65

    Piston Ring Set 4.185 5/64 5/64 3/16 SEAR5879-65

    SEALED POWER

    $180.99
    Piston Rings - Speed Pro - 4.185 in Bore - File Fit - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR5879-65
    SKU:
    SEAR5879-65
    Availability:
    Ships Same Business Day
    Weight:
    1.19 LBS
    MFG Part #:
    R587965
    $180.99
    Qty in Cart: 0
    Quantity:
    Price:
    $180.99
    Subtotal:
  • Piston Ring Set 4.125 5/64 5/64 3/16 SEAR5879-5

    Piston Ring Set 4.125 5/64 5/64 3/16 SEAR5879-5

    SEALED POWER

    $168.99
    Piston Rings - Speed Pro - 4.125 in Bore - File Fit - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR5879-5
    SKU:
    SEAR5879-5
    Availability:
    Ships Same Business Day
    Weight:
    1.19 LBS
    MFG Part #:
    R58795
    $168.99
    Qty in Cart: 0
    Quantity:
    Price:
    $168.99
    Subtotal:
  • Piston Ring Set 4.155 5/64 5/64 3/16 SEAR5879-35

    Piston Ring Set 4.155 5/64 5/64 3/16 SEAR5879-35

    SEALED POWER

    $178.99
    Piston Rings - Speed Pro - 4.155 in Bore - File Fit - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR5879-35
    SKU:
    SEAR5879-35
    Availability:
    Ships Same Business Day
    Weight:
    1.21 LBS
    MFG Part #:
    R587935
    Qty in Cart: 0
    Quantity:
    Price:
    $178.99
    Subtotal:
  • Piston Ring Set 4.165 1/16 1/16 3/16 SEAR10375-40

    Piston Ring Set 4.165 1/16 1/16 3/16 SEAR10375-40

    SEALED POWER

    $152.99
    Piston Rings - Speed Pro - 4.165 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR10375-40
    SKU:
    SEAR10375-40
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    MFG Part #:
    R1037540
    $152.99
    Qty in Cart: 0
    Quantity:
    Price:
    $152.99
    Subtotal:
  • Piston Ring Set 4.155 1/16 1/16 3/16 SEAR10375-30

    Piston Ring Set 4.155 1/16 1/16 3/16 SEAR10375-30

    SEALED POWER

    $143.99
    Piston Rings - Speed Pro - 4.155 in Bore - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR10375-30
    SKU:
    SEAR10375-30
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    MFG Part #:
    R1037530
    $143.99
    Qty in Cart: 0
    Quantity:
    Price:
    $143.99
    Subtotal:
  • Piston Ring Set 4.155 5/64 5/64 3/16 SEAR10374-30

    Piston Ring Set 4.155 5/64 5/64 3/16 SEAR10374-30

    SEALED POWER

    $156.99
    Piston Rings - Speed Pro - 4.155 in Bore - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR10374-30
    SKU:
    SEAR10374-30
    Availability:
    Ships Same Business Day
    Weight:
    1.18 LBS
    MFG Part #:
    R1037430
    $156.99
    Qty in Cart: 0
    Quantity:
    Price:
    $156.99
    Subtotal:
  • Piston Ring Set 4.185 1/16 1/16 3/16 SEAR10248-65

    Piston Ring Set 4.185 1/16 1/16 3/16 SEAR10248-65

    SEALED POWER

    $164.99
    Piston Rings - Speed Pro - 4.185 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR10248-65
    SKU:
    SEAR10248-65
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    MFG Part #:
    R1024865
    $164.99
    Qty in Cart: 0
    Quantity:
    Price:
    $164.99
    Subtotal:
  • Piston Ring Set 4.125 1/16 1/16 3/16 SEAR10248-5

    Piston Ring Set 4.125 1/16 1/16 3/16 SEAR10248-5

    SEALED POWER

    $173.99
    Piston Rings - Speed Pro - 4.125 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR10248-5
    SKU:
    SEAR10248-5
    Availability:
    Ships Same Business Day
    Weight:
    1.02 LBS
    MFG Part #:
    R102485
    $173.99
    Qty in Cart: 0
    Quantity:
    Price:
    $173.99
    Subtotal:
  • Piston Ring Set 4.165 1/16 1/16 3/16 SEAR10248-45

    Piston Ring Set 4.165 1/16 1/16 3/16 SEAR10248-45

    SEALED POWER

    $173.99
    Piston Rings - Speed Pro - 4.165 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR10248-45
    SKU:
    SEAR10248-45
    Availability:
    Ships Same Business Day
    Weight:
    1.06 LBS
    MFG Part #:
    R1024845
    $173.99
    Qty in Cart: 0
    Quantity:
    Price:
    $173.99
    Subtotal:
  • Piston Ring Set 4.155 1/16 1/16 3/16 SEAR10248-35

    Piston Ring Set 4.155 1/16 1/16 3/16 SEAR10248-35

    SEALED POWER

    $173.99
    Piston Rings - Speed Pro - 4.155 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR10248-35
    SKU:
    SEAR10248-35
    Availability:
    Ships Same Business Day
    Weight:
    1.04 LBS
    MFG Part #:
    R1024835
    $173.99
    Qty in Cart: 0
    Quantity:
    Price:
    $173.99
    Subtotal:
  • Piston Ring Set 4.145 1/16 1/16 3/16 SEAR10248-25

    Piston Ring Set 4.145 1/16 1/16 3/16 SEAR10248-25

    SEALED POWER

    $173.99
    Piston Rings - Speed Pro - 4.145 in Bore - File Fit - 1/16 x 1/16 x 3/16 in Thick - Standard Tension - Plasma Moly - 8 Cylinder - Kit
    SEAR10248-25
    SKU:
    SEAR10248-25
    Availability:
    Ships Same Business Day
    Weight:
    1.04 LBS
    MFG Part #:
    R1024825
    $173.99
    Qty in Cart: 0
    Quantity:
    Price:
    $173.99
    Subtotal:
  • Mahle piston ring set 4.165 in bore 1.5 x 1.5 x 3.0 mm standard tension 8-cylinder MAH4170MS-15

    Mahle piston ring set 4.165 in bore 1.5 x 1.5 x 3.0 mm standard tension 8-cylinder MAH4170MS-15

    MAHLE PISTONS

    $180.53
    This MAHLE Performance Piston Ring Set is engineered for 4.165-inch bore engines, featuring file-fit rings with dimensions of 1.5 x 1.5 x 3.0 mm. The set includes standard tension plasma moly rings suitable for 8-cylinder applications, ensuring enhanced...
    MAH4170MS-15
    SKU:
    MAH4170MS-15
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    MFG Part #:
    4170MS-15
    $180.53
    Qty in Cart: 0
    Quantity:
    Price:
    $180.53
    Subtotal:
  • Mahle Piston Ring Set 4.160" Bore 1.5mm Top 1.5mm Second 3.0mm Oil MAH4160MS-15

    Mahle Piston Ring Set 4.160" Bore 1.5mm Top 1.5mm Second 3.0mm Oil MAH4160MS-15

    MAHLE PISTONS

    $180.53
    This Mahle Motorsport piston ring set is engineered for 4.155-inch bore engines, featuring file-fit rings with dimensions of 1.5 x 1.5 x 3.0 mm. The set includes standard tension plasma moly rings suitable for 8-cylinder applications, ensuring enhanced...
    MAH4160MS-15
    SKU:
    MAH4160MS-15
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    MFG Part #:
    4160MS-15
    $180.53
    Qty in Cart: 0
    Quantity:
    Price:
    $180.53
    Subtotal:
  • Mahle piston ring set 4.125 in bore 1.5 x 1.5 x 3.0 mm standard tension 8-cylinder kit 4130MS-15

    Mahle piston ring set 4.125 in bore 1.5 x 1.5 x 3.0 mm standard tension 8-cylinder kit 4130MS-15

    MAHLE PISTONS

    $180.53
    This MAHLE Performance Piston Ring Set is engineered for 4.125-inch bore engines, featuring file-fit rings with dimensions of 1.5 x 1.5 x 3.0 mm. The set includes eight cylinders and utilizes plasma moly coating for enhanced durability and performance. ...
    MAH4130MS-15
    SKU:
    MAH4130MS-15
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    MFG Part #:
    4130MS-15
    $180.53
    Qty in Cart: 0
    Quantity:
    Price:
    $180.53
    Subtotal:
  • Total: items /

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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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