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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
  • SBC Flat Top Piston Set 4.030 Bore -7cc KBPKB122.030

    SBC Flat Top Piston Set 4.030 Bore -7cc KB122.030

    KB PERFORMANCE

    $407.95
    If you're building a high-compression small block Chevy engine, compression ratio is everything—and these flat top pistons deliver the geometry you need for serious horsepower gains. The -7cc dish keeps you in the sweet spot for forced induction...
    KBPKB122.030
    SKU:
    KBPKB122.030
    Availability:
    Ships Same Business Day
    Weight:
    11.35 LBS
    MFG Part #:
    KB122.030
    $407.95
    Qty in Cart: 0
    Quantity:
    Price:
    $407.95
    Subtotal:
  • SBC Flat Top Piston Set 4.060 Bore -7cc KBPKB120.060

    SBC Flat Top Piston Set 4.060 Bore -7cc KB120.060

    KB PERFORMANCE

    $396.97
    Building a high-compression small block that demands precision and reliability? The SBC Flat Top Piston Set delivers the compression ratio consistency you need for serious performance applications, whether you're targeting peak power in a street engine...
    KBPKB120.060
    SKU:
    KBPKB120.060
    Availability:
    Ships Same Business Day
    Weight:
    13.93 LBS
    MFG Part #:
    KB120.060
    $396.97
    Qty in Cart: 0
    Quantity:
    Price:
    $396.97
    Subtotal:
  • SBC Flat Top Piston Set 4.040 Bore -7cc KBPKB120.040

    SBC Flat Top Piston Set 4.040 Bore -7cc KB120.040

    KB PERFORMANCE

    $396.97
    Building a Small Block Chevy that demands real power? These hypereutectic flat-top pistons deliver the compression ratio and durability needed for sustained high-RPM performance. Whether you're refreshing a stock engine or pushing forced induction, this...
    KBPKB120.040
    SKU:
    KBPKB120.040
    Availability:
    Ships Same Business Day
    Weight:
    13.82 LBS
    MFG Part #:
    KB120.040
    Qty in Cart: 0
    Quantity:
    Price:
    $396.97
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -7cc KBPKB120.030

    SBC Flat Top Piston Set 4.030 Bore -7cc KB120.030

    KB PERFORMANCE

    $396.97
    If you're building or rebuilding a Small Block Chevy with serious compression goals, hypereutectic pistons are your foundation—they deliver the durability needed for consistent, high-revving performance without the weight penalty of forged alternatives...
    KBPKB120.030
    SKU:
    KBPKB120.030
    Availability:
    Ships Same Business Day
    Weight:
    13.71 LBS
    MFG Part #:
    KB120.030
    $396.97
    Qty in Cart: 0
    Quantity:
    Price:
    $396.97
    Subtotal:
  • SBF F/T Piston Set 4.040 Bore -6.5cc KBPKB115.040

    SBF F/T Piston Set 4.040 Bore -6.5cc KB115.040

    KB PERFORMANCE

    $432.43
    If you're building a high-compression Small Block Ford engine, piston selection directly impacts reliability, detonation resistance, and peak horsepower output. The KB115.040 delivers a -6.5cc dome that raises compression ratio while the hypereutectic...
    KBPKB115.040
    SKU:
    KBPKB115.040
    Availability:
    Ships Same Business Day
    Weight:
    13.79 LBS
    MFG Part #:
    KB115.040
    $432.43
    Qty in Cart: 0
    Quantity:
    Price:
    $432.43
    Subtotal:
  • SBC Flat Top Piston Set 4.155 Bore -5cc KBP9911HC.030

    SBC Flat Top Piston Set 4.155 Bore -5cc 9911HC.030

    KB PERFORMANCE

    $298.64
    If you're building a Small Block Chevy engine with compression-focused performance goals, flat-top pistons are essential for maximizing combustion efficiency. The -5cc dome design increases compression ratio without requiring extensive cylinder head...
    KBP9911HC.030
    SKU:
    KBP9911HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.06 LBS
    MFG Part #:
    9911HC.030
    $298.64
    Qty in Cart: 0
    Quantity:
    Price:
    $298.64
    Subtotal:
  • SBC F/T Piston Set 4.040 Bore -5cc KBP9909HC.040

    SBC F/T Piston Set 4.040 Bore -5cc 9909HC.040

    KB PERFORMANCE

    $310.56
    Building a high-compression SBC engine demands pistons engineered for reliability under extreme conditions. This hypereutectic piston set delivers the compression ratio boost you need while maintaining structural integrity through sustained high-RPM...
    KBP9909HC.040
    SKU:
    KBP9909HC.040
    Availability:
    Ships Same Business Day
    Weight:
    11.10 LBS
    MFG Part #:
    9909HC.040
    $310.56
    Qty in Cart: 0
    Quantity:
    Price:
    $310.56
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -5cc KBP9908HC.030

    SBC Flat Top Piston Set 4.030 Bore -5cc 9908HC.030

    KB PERFORMANCE

    $310.56
    Building a reliable Small Block Chevy that can handle sustained RPMs and boost demands? A quality piston set is non-negotiable—it's the component that converts combustion into power while enduring extreme heat and pressure. The SBC Flat Top Piston Set 4...
    KBP9908HC.030
    SKU:
    KBP9908HC.030
    Availability:
    Ships Same Business Day
    Weight:
    11.01 LBS
    MFG Part #:
    9908HC.030
    $310.56
    Qty in Cart: 0
    Quantity:
    Price:
    $310.56
    Subtotal:
  • SBC Domed Piston Set 4.030 Bore +4cc KBP9904HC.030

    SBC Domed Piston Set 4.030 Bore +4cc 9904HC.030

    KB PERFORMANCE

    $319.73
    If you're building or refreshing a Small Block Chevy engine, piston selection directly impacts compression ratio, durability, and power output. These SBC domed pistons deliver a +4cc compression bump in a proven hypereutectic design, giving you the...
    KBP9904HC.030
    SKU:
    KBP9904HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.47 LBS
    MFG Part #:
    9904HC.030
    $319.73
    Qty in Cart: 0
    Quantity:
    Price:
    $319.73
    Subtotal:
  • SBC Domed Piston Set 4.030 Bore +14cc KBP9903HC.030

    SBC Domed Piston Set 4.030 Bore +14cc 9903HC.030

    KB PERFORMANCE

    $341.76
    If you're building a Small Block Chevy that demands reliable compression and consistent performance across the RPM range, these domed pistons deliver the durability of hypereutectic construction with measurable power gains. The +14cc dome raises...
    KBP9903HC.030
    SKU:
    KBP9903HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.82 LBS
    MFG Part #:
    9903HC.030
    $341.76
    Qty in Cart: 0
    Quantity:
    Price:
    $341.76
    Subtotal:
  • SBC Flat Top Piston Set 4.060 Bore -5cc KBP9902HC.060

    SBC Flat Top Piston Set 4.060 Bore -5cc 9902HC.060

    KB PERFORMANCE

    $334.37
    If you're building a competitive Small Block Chevy engine, piston selection directly impacts your power output, reliability, and compliance in sanctioned racing. This Claimer Series piston set delivers the compression ratio and durability you need to...
    KBP9902HC.060
    SKU:
    KBP9902HC.060
    Availability:
    Ships Same Business Day
    Weight:
    12.84 LBS
    MFG Part #:
    9902HC.060
    $334.37
    Qty in Cart: 0
    Quantity:
    Price:
    $334.37
    Subtotal:
  • SBC Flat Top Piston Set 4.030 Bore -5cc KBP9902HC.030

    SBC Flat Top Piston Set 4.030 Bore -5cc 9902HC.030

    KB PERFORMANCE

    $334.37
    If you're building or rebuilding a Small Block Chevy with a higher compression ratio in mind, flat-top pistons deliver the combustion chamber volume you need for aggressive timing curves and forced induction applications. The hypereutectic construction...
    KBP9902HC.030
    SKU:
    KBP9902HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.48 LBS
    MFG Part #:
    9902HC.030
    $334.37
    Qty in Cart: 0
    Quantity:
    Price:
    $334.37
    Subtotal:
  • Piston Ring Set 4.160 Moly 1/16 1/16 3/16 JEPJ100F8-4155-5

    Piston Ring Set 4.160 Moly 1/16 1/16 3/16 J100F8-4155-5

    JE PISTONS

    $224.99
    A quality piston ring set is the foundation of engine reliability and power retention. This 4.160 moly ring set delivers consistent compression and blowby control across high-RPM applications, ensuring your engine maintains peak performance and longevity...
    JEPJ100F8-4155-5
    SKU:
    JEPJ100F8-4155-5
    Availability:
    Ships Same Business Day
    Weight:
    1.20 LBS
    MFG Part #:
    J100F8-4155-5
    $224.99
    Qty in Cart: 0
    Quantity:
    Price:
    $224.99
    Subtotal:
  • JE Pistons 4.060" Bore Piston Ring Set 1/16" x 1/16" x 3/16" J100F8-4060-5

    JE Pistons 4.060" Bore Piston Ring Set 1/16" x 1/16" x 3/16" J100F8-4060-5

    JE PISTONS

    $184.99
    Precision ring sealing is non-negotiable in high-performance engines, and file-fit rings give you the customization needed for tight tolerances and maximum compression retention. JE's plasma moly coating delivers superior wear resistance under sustained...
    JEPJ100F8-4060-5
    SKU:
    JEPJ100F8-4060-5
    Availability:
    Ships Same Business Day
    Weight:
    1.13 LBS
    MFG Part #:
    J100F8-4060-5
    $184.99
    Qty in Cart: 0
    Quantity:
    Price:
    $184.99
    Subtotal:
  • Piston Ring Set 4.045 Moly 1/16 1/16 3/16 JEPJ100F8-4040-5

    Piston Ring Set 4.045 Moly 1/16 1/16 3/16 J100F8-4040-5

    JE PISTONS

    $184.99
    Maximum compression and minimal blowby are non-negotiable in competitive racing, and this piston ring set delivers both. The plasma moly coating reduces friction while increasing durability under extreme cylinder pressures, making it essential for...
    JEPJ100F8-4040-5
    SKU:
    JEPJ100F8-4040-5
    Availability:
    Ships Same Business Day
    Weight:
    1.15 LBS
    MFG Part #:
    J100F8-4040-5
    $184.99
    Qty in Cart: 0
    Quantity:
    Price:
    $184.99
    Subtotal:
  • Piston Ring Set 4.035 Moly 1/16 1/16 3/16 JEPJ100F8-4030-5

    Piston Ring Set 4.035 Moly 1/16 1/16 3/16 J100F8-4030-5

    JE PISTONS

    $184.99
    Piston rings are the critical seal between your combustion chamber and crankcase—and cheap rings will cost you power, blow-by, and reliability. This Premium Race Series set delivers plasma moly coating for superior wear resistance and heat dissipation,...
    JEPJ100F8-4030-5
    SKU:
    JEPJ100F8-4030-5
    Availability:
    Ships Same Business Day
    Weight:
    1.12 LBS
    MFG Part #:
    J100F8-4030-5
    $184.99
    Qty in Cart: 0
    Quantity:
    Price:
    $184.99
    Subtotal:
  • Piston Ring Set 4.165 Moly 1/16 1/16 3/16 JEPJ10008-4165-5

    Piston Ring Set 4.165 Moly 1/16 1/16 3/16 J10008-4165-5

    JE PISTONS

    $212.99
    When you're building or rebuilding a high-performance engine, piston ring quality directly impacts compression, blowby control, and overall power delivery. This Premium Race Series ring set delivers the low-tension characteristics and moly coating needed...
    JEPJ10008-4165-5
    SKU:
    JEPJ10008-4165-5
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    MFG Part #:
    J10008-4165-5
    $212.99
    Qty in Cart: 0
    Quantity:
    Price:
    $212.99
    Subtotal:
  • Piston Ring Set 4.155 Moly 1/16 1/16 3/16 JEPJ10008-4155-5

    Piston Ring Set 4.155 Moly 1/16 1/16 3/16 J10008-4155-5

    JE PISTONS

    $212.99
    Piston ring selection directly impacts compression retention, blowby control, and ring life in high-RPM applications. This Premium Race Series set delivers the low-tension design and plasma moly coating needed to minimize friction while maintaining...
    JEPJ10008-4155-5
    SKU:
    JEPJ10008-4155-5
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    MFG Part #:
    J10008-4155-5
    $212.99
    Qty in Cart: 0
    Quantity:
    Price:
    $212.99
    Subtotal:
  • Piston Ring Set 4.145 Moly 1/16 1/16 3/16 JEPJ10008-4145-5

    Piston Ring Set 4.145 Moly 1/16 1/16 3/16 J10008-4145-5

    JE PISTONS

    $212.99
    Piston ring seal quality directly impacts compression, blow-by control, and engine longevity—especially in high-RPM racing applications where pressure spikes demand reliable containment. Our Plasma Moly ring set delivers low-tension design for reduced...
    JEPJ10008-4145-5
    SKU:
    JEPJ10008-4145-5
    Availability:
    Ships Same Business Day
    Weight:
    1.09 LBS
    MFG Part #:
    J10008-4145-5
    $212.99
    Qty in Cart: 0
    Quantity:
    Price:
    $212.99
    Subtotal:
  • Piston Ring Set 4.130 Moly 1/16 1/16 3/16 JEPJ10008-4130-5

    Piston Ring Set 4.130 Moly 1/16 1/16 3/16 J10008-4130-5

    JE PISTONS

    $212.99
    Building a high-RPM engine demands piston rings engineered for sustained combustion pressures and minimal blow-by. This premium race series set delivers the low-tension design and plasma moly coating required to maintain compression across extended heat...
    JEPJ10008-4130-5
    SKU:
    JEPJ10008-4130-5
    Availability:
    Ships Same Business Day
    Weight:
    1.10 LBS
    MFG Part #:
    J10008-4130-5
    $212.99
    Qty in Cart: 0
    Quantity:
    Price:
    $212.99
    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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