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Pistons and Piston Rings

Pistons and Piston Rings

Pistons and Piston Rings

Circle Track Pistons & Piston Rings at JJ Motorsports

High-performance pistons and rings are essential for compressing air and fuel within the engine, directly affecting output. Select these components to enhance power, especially when matched with other engine internals in demanding IMCA, USMTS, and dirt oval racing for late models, modifieds, and street stocks.

Shop trusted brands like Wiseco for forged piston sets, Total Seal for gapless rings, and Mahle Pistons for premium options. Explore related categories such as Circle Track Engine Internals for complete upgrades or Circle Track Connecting Rods and Components for matching internals.

Top Circle Track Pistons & 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 4.125 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
    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:
  • Forged Piston  SEAL2482F40

    Forged Piston SEAL2482F40

    SEALED POWER

    $447.99
    Piston - Speed Pro - Forged - 4.040 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 2.7 cc - Coated Skirt - Small Block Ford - Set of 8
    SEAL2482F40
    SKU:
    SEAL2482F40
    Availability:
    Ships Same Business Day
    Weight:
    15.08 LBS
    MFG Part #:
    L2482F40
    $447.99
    Qty in Cart: 0
    Quantity:
    Price:
    $447.99
    Subtotal:
  • Forged Piston  SEAL2482F30

    Forged Piston L2482F30

    SEALED POWER

    $353.99
    PistonSpeed ProForged4.030 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 2.7 ccCoated SkirtSmall Block FordSet of 8
    SEAL2482F30
    SKU:
    SEAL2482F30
    Availability:
    Ships Same Business Day
    Weight:
    14.96 LBS
    MFG Part #:
    L2482F30
    Qty in Cart: 0
    Quantity:
    Price:
    $353.99
    Subtotal:
  • Forged Piston  SEAL2256F60

    Forged Piston SEAL2256F60

    SEALED POWER

    $406.99
    Piston - Speed Pro - Forged - 4.060 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 6.1 cc - Coated Skirt - Small Block Chevy - Set of 8
    SEAL2256F60
    SKU:
    SEAL2256F60
    Availability:
    Ships Same Business Day
    Weight:
    14.97 LBS
    MFG Part #:
    L2256F60
    $406.99
    Qty in Cart: 0
    Quantity:
    Price:
    $406.99
    Subtotal:
  • Forged Piston  SEAL2256F40

    Forged Piston SEAL2256F40

    SEALED POWER

    $397.99
    Piston - Speed Pro - Forged - 4.040 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 6.1 cc - Coated Skirt - Small Block Chevy - Set of 8
    SEAL2256F40
    SKU:
    SEAL2256F40
    Availability:
    Ships Same Business Day
    Weight:
    14.93 LBS
    MFG Part #:
    L2256F40
    $397.99
    Qty in Cart: 0
    Quantity:
    Price:
    $397.99
    Subtotal:
  • Forged Piston  SEAL2256F30

    Forged Piston SEAL2256F30

    SEALED POWER

    $422.99
    Piston - Speed Pro - Forged - 4.030 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 6.1 cc - Coated Skirt - Small Block Chevy - Set of 8
    SEAL2256F30
    SKU:
    SEAL2256F30
    Availability:
    Ships Same Business Day
    Weight:
    15.08 LBS
    MFG Part #:
    L2256F30
    $422.99
    Qty in Cart: 0
    Quantity:
    Price:
    $422.99
    Subtotal:
  • Forged Piston  SEAL2166AF30

    Forged Piston L2166AF30

    SEALED POWER

    $532.99
    PistonSpeed ProForged4.030 in Bore5/64 x 5/64 x 3/16 in Ring GroovesPlus 5.3 ccCoated SkirtSmall Block ChevySet of 8
    SEAL2166AF30
    SKU:
    SEAL2166AF30
    Availability:
    Ships Same Business Day
    Weight:
    14.33 LBS
    MFG Part #:
    L2166AF30
    $532.99
    Qty in Cart: 0
    Quantity:
    Price:
    $532.99
    Subtotal:
  • Forged Piston  SEAL2165F40

    Forged Piston SEAL2165F40

    SEALED POWER

    $439.99
    Piston - Speed Pro - Forged - 4.040 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 5.4 cc - Coated Skirt - Small Block Chevy - Set of 8
    SEAL2165F40
    SKU:
    SEAL2165F40
    Availability:
    Ships Same Business Day
    Weight:
    14.98 LBS
    MFG Part #:
    L2165F40
    $439.99
    Qty in Cart: 0
    Quantity:
    Price:
    $439.99
    Subtotal:
  • Forged Piston  SEAL2165F30

    Forged Piston SEAL2165F30

    SEALED POWER

    $428.99
    Piston - Speed Pro - Forged - 4.030 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Minus 5.4 cc - Coated Skirt - Small Block Chevy - Set of 8
    SEAL2165F30
    SKU:
    SEAL2165F30
    Availability:
    Ships Same Business Day
    Weight:
    14.88 LBS
    MFG Part #:
    L2165F30
    $428.99
    Qty in Cart: 0
    Quantity:
    Price:
    $428.99
    Subtotal:
  • SBF PowerPak F/T Piston Set 4.040 Bore MAH930244740

    SBF PowerPak F/T Piston Set 4.040 Bore 930244740

    MAHLE PISTONS

    $844.10
    SBF PowerPak F/T Piston Set 930244740 Complete Piston and Ring Set for optimal engine performance PowerPak design ensures superior strength and efficiency Forged construction for enhanced durability and longevity Designed for a precise 4.040 inch bore...
    MAH930244740
    SKU:
    MAH930244740
    Availability:
    Ships Same Business Day
    Weight:
    11.52 LBS
    MFG Part #:
    930244740
    $844.10
    Qty in Cart: 0
    Quantity:
    Price:
    $844.10
    Subtotal:
  • SBF PowerPak F/T Piston Set 4.035 Bore MAH930244735

    SBF PowerPak F/T Piston Set 4.035 Bore 930244735

    MAHLE PISTONS

    $844.10
    SBF PowerPak F/T Piston Set 4.035 BorePiston and RingPowerPakForged4.035 in Bore1.0 x 1.0 x 2.0 mm Ring GrooveMinus 6.5 ccSmall Block FordKit
    MAH930244735
    SKU:
    MAH930244735
    Availability:
    Ships Same Business Day
    Weight:
    11.10 LBS
    MFG Part #:
    930244735
    $844.10
    Qty in Cart: 0
    Quantity:
    Price:
    $844.10
    Subtotal:
  • Total: items /

Adding your products to cart

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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