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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

    $343.39
    SBC Flat Top Piston Set 4.030 Bore -7ccPistonKB SeriesHypereutectic4.030 in Bore1/16 x 1/16 x 3/16 in Ring GroovesMinus 7.0 ccSmall Block ChevySet of 8
    KBPKB122.030
    SKU:
    KBPKB122.030
    Availability:
    Ships Same Business Day
    Weight:
    11.35 LBS
    MFG Part #:
    KB122.030
    $343.39
    Qty in Cart: 0
    Quantity:
    Price:
    $343.39
    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

    $334.15
    SBC Flat Top Piston Set 4.060 Bore -7ccPistonKB SeriesHypereutectic4.060 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 7.0 ccSmall Block ChevySet of 8
    KBPKB120.060
    SKU:
    KBPKB120.060
    Availability:
    Ships Same Business Day
    Weight:
    13.93 LBS
    MFG Part #:
    KB120.060
    $334.15
    Qty in Cart: 0
    Quantity:
    Price:
    $334.15
    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

    $334.15
    SBC Flat Top Piston Set 4.040 Bore -7cc KB120.040 High-performance hypereutectic pistons Precision-engineered for Small Block Chevy applications 4.040-inch bore size for optimal fit Featuring 5/64 x 5/64 x 3/16 inch ring grooves Designed with a -7.0 cc...
    KBPKB120.040
    SKU:
    KBPKB120.040
    Availability:
    Ships Same Business Day
    Weight:
    13.82 LBS
    MFG Part #:
    KB120.040
    $334.15
    Qty in Cart: 0
    Quantity:
    Price:
    $334.15
    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

    $334.15
    SBC Flat Top Piston Set 4.030 Bore -7cc KB120.030 High-quality hypereutectic pistons for enhanced durability Precision-engineered for a 4.030-inch bore size Features 5/64 x 5/64 x 3/16 inch ring grooves for optimal performance Designed specifically for...
    KBPKB120.030
    SKU:
    KBPKB120.030
    Availability:
    Ships Same Business Day
    Weight:
    13.71 LBS
    MFG Part #:
    KB120.030
    $334.15
    Qty in Cart: 0
    Quantity:
    Price:
    $334.15
    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

    $364.00
    SBF F/T Piston Set 4.040 Bore -6.5ccPistonKB SeriesHypereutectic4.040 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 6.5 ccSmall Block FordSet of 8
    KBPKB115.040
    SKU:
    KBPKB115.040
    Availability:
    Ships Same Business Day
    Weight:
    13.79 LBS
    MFG Part #:
    KB115.040
    Qty in Cart: 0
    Quantity:
    Price:
    $364.00
    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

    $251.38
    SBC Flat Top Piston Set 4.155 Bore -5ccPistonClaimer SeriesHypereutectic4.155 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 5.0 ccSmall Block ChevySet of 8
    KBP9911HC.030
    SKU:
    KBP9911HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.06 LBS
    MFG Part #:
    9911HC.030
    $251.38
    Qty in Cart: 0
    Quantity:
    Price:
    $251.38
    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

    $261.41
    SBC F/T Piston Set 4.040 Bore -5ccPistonHypereutectic4.040 in Bore1/16 x 1/16 x 3/16 in Ring GroovesMinus 5.0 ccSmall Block ChevySet of 8
    KBP9909HC.040
    SKU:
    KBP9909HC.040
    Availability:
    Ships Same Business Day
    Weight:
    11.10 LBS
    MFG Part #:
    9909HC.040
    $261.41
    Qty in Cart: 0
    Quantity:
    Price:
    $261.41
    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

    $261.41
    SBC Flat Top Piston Set 4.030 Bore -5cc 9908HC.030 High-performance piston set designed for Small Block Chevy engines Claimer Series offering affordability without compromising quality Constructed from hypereutectic material for enhanced...
    KBP9908HC.030
    SKU:
    KBP9908HC.030
    Availability:
    Ships Same Business Day
    Weight:
    11.01 LBS
    MFG Part #:
    9908HC.030
    $261.41
    Qty in Cart: 0
    Quantity:
    Price:
    $261.41
    Subtotal:
  • SBC Domed Piston Set 4.030 Bore +4cc KBP9904HC.030

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

    KB PERFORMANCE

    $269.14
    SBC Domed Piston Set 4.030 Bore +4ccPistonClaimer SeriesHypereutectic4.030 in Bore5/64 x 5/64 x 3/16 in Ring GroovesPlus 4.0 ccSmall Block ChevySet of 8
    KBP9904HC.030
    SKU:
    KBP9904HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.47 LBS
    MFG Part #:
    9904HC.030
    $269.14
    Qty in Cart: 0
    Quantity:
    Price:
    $269.14
    Subtotal:
  • SBC Domed Piston Set 4.030 Bore +14cc KBP9903HC.030

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

    KB PERFORMANCE

    $287.67
    SBC Domed Piston Set 4.030 Bore +14ccPistonClaimer SeriesHypereutectic4.030 in Bore5/64 x 5/64 x 3/16 in Ring GroovesPlus 14.0 ccSmall Block ChevySet of 8
    KBP9903HC.030
    SKU:
    KBP9903HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.82 LBS
    MFG Part #:
    9903HC.030
    Qty in Cart: 0
    Quantity:
    Price:
    $287.67
    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

    $281.46
    SBC Flat Top Piston Set 4.060 Bore -5cc 9902HC.060 High-performance piston set designed for Small Block Chevy engines Claimer Series for competitive racing applications Constructed from hypereutectic aluminum for enhanced durability Precision-engineered...
    KBP9902HC.060
    SKU:
    KBP9902HC.060
    Availability:
    Ships Same Business Day
    Weight:
    12.84 LBS
    MFG Part #:
    9902HC.060
    $281.46
    Qty in Cart: 0
    Quantity:
    Price:
    $281.46
    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

    $281.46
    SBC Flat Top Piston Set 4.030 Bore -5ccPistonClaimer SeriesHypereutectic4.030 in Bore5/64 x 5/64 x 3/16 in Ring GroovesMinus 5.0 ccSmall Block ChevySet of 8
    KBP9902HC.030
    SKU:
    KBP9902HC.030
    Availability:
    Ships Same Business Day
    Weight:
    12.48 LBS
    MFG Part #:
    9902HC.030
    $281.46
    Qty in Cart: 0
    Quantity:
    Price:
    $281.46
    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
    Piston Ring Set 4.160 Moly 1/16 1/16 3/16Piston RingsPremium Race Series4.155 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickStandard TensionPlasma Moly8 CylinderKit
    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
    This high-performance piston ring set is engineered for 4.060-inch bore engines, featuring file-fit rings with dimensions of 1/16 x 1/16 x 3/16 inches. Constructed with plasma moly coating, these rings offer enhanced durability and performance for...
    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
    Piston Ring Set 4.045 Moly 1/16 1/16 3/16Piston RingsPremium Race Series4.040 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickStandard TensionPlasma Moly8 CylinderKit
    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 Ring Set 4.035 Moly 1/16 1/16 3/16Piston RingsPremium Race Series4.030 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickStandard TensionPlasma Moly8 CylinderKit
    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
    Piston Ring Set 4.165 Moly 1/16 1/16 3/16Piston RingsPremium Race Series4.165 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickLow TensionPlasma Moly8 CylinderKit
    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 Set 4.155 Moly 1/16 1/16 3/16Piston RingsPremium Race Series4.155 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickLow TensionPlasma Moly8 CylinderKit
    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 Set 4.145 Moly 1/16 1/16 3/16Piston RingsPremium Race Series4.145 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickLow TensionPlasma Moly8 CylinderKit
    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
    Piston Ring Set 4.130 Moly 1/16 1/16 3/16Piston RingsPremium Race Series4.130 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickLow TensionPlasma Moly8 CylinderKit
    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 /

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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