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Disc Brake Calipers

Disc Brake Calipers

Disc Brake Calipers

Circle Track Disc Brake Calipers at JJ Motorsports

Get precision braking control with robust disc brake calipers tailored for competitive racing from JJ Motorsports. Engineered for late models and modifieds, these calipers ensure consistent pressure and superior stopping ability under high-stress conditions in IMCA, USMTS, and dirt oval events.

Shop trusted brands like AFCO Racing Products for cast iron metric calipers, Wilwood for lightweight billet and dual-piston options, and Allstar Performance for versatile racing calipers. Explore related categories such as Circle Track Brake Systems and Components for complete braking solutions or Circle Track Disc Brake Rotors for compatible rotors.

Top Circle Track Disc Brake Calipers

AFCO GM LH Metric Caliper 2.5" Piston 1-Piece Cast Iron 6635004 – High-performance brake caliper for GM Metric vehicles; 2.500-inch bore, single stainless steel piston, cast iron with gray finish, compatible with D154 pads.

Wilwood Billet Narrow Dynalite Radial Mount Caliper 1.38in Piston 0.810in Rotor 120-15563-SI – Lightweight aluminum caliper with gray anodized finish; 4 pistons, 1.38-inch diameter, 4.75-inch radial mount for racing applications.

Wilwood D154 Black Dual Piston Caliper 1.62" Bore 12.19" Rotor 120-11873-BK – Aluminum caliper with black anodized finish; dual 1.62-inch stainless pistons, floating mount for mid-size GM vehicles and 12.19-inch rotors.

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
  • Dynapro Billet Caliper 1.75/.38 WIL120-9695

    Wilwood Dynapro Lug Mount 4-Piston Caliper 1.75" Pistons 0.38" Rotor 5.25" Mount Center 120-9695

    WILWOOD

    $281.88
    When you're pushing your braking system to the limit, caliper deflection under load is your enemy—it kills consistency and response when you need it most. The Wilwood Dynapro Lug Mount delivers the rigidity and stopping power demanded by serious racers...
    WIL120-9695
    SKU:
    WIL120-9695
    Availability:
    Ships Same Business Day
    Weight:
    3.55 LBS
    MFG Part #:
    120-9695
    $281.88
    Qty in Cart: 0
    Quantity:
    Price:
    $281.88
    Subtotal:
  • Dynapro Billet Caliper 1.75/.81 WIL120-9693-SI

    Wilwood Dynapro 4-Piston Billet Caliper 1.75" Pistons 0.81" Rotor Lug Mount 120-9693-SI

    WILWOOD

    $246.88
    Serious braking performance demands a caliper engineered for consistent, predictable clamping force under extreme conditions. The Wilwood Dynapro 4-Piston delivers the stopping power and thermal stability required for road racing, track days, and...
    WIL120-9693-SI
    SKU:
    WIL120-9693-SI
    Availability:
    Ships Same Business Day
    Weight:
    3.62 LBS
    MFG Part #:
    120-9693-SI
    $246.88
    Qty in Cart: 0
    Quantity:
    Price:
    $246.88
    Subtotal:
  • Dynapro Billet Caliper 1.75/.81 WIL120-9693

    Wilwood Dynapro 4-Piston Billet Aluminum Caliper 1.75" Pistons 0.81" Rotor 5.25" Lug Mount 120-9693

    WILWOOD

    $281.88
    When you're pushing your vehicle to the limit on track or tackling aggressive street driving, your braking system needs to deliver consistent, predictable stopping power—and the Wilwood Dynapro 4-Piston Caliper is engineered precisely for that demand...
    WIL120-9693
    SKU:
    WIL120-9693
    Availability:
    Ships Same Business Day
    Weight:
    3.68 LBS
    MFG Part #:
    120-9693
    $281.88
    Qty in Cart: 0
    Quantity:
    Price:
    $281.88
    Subtotal:
  • Dynapro Billet Caliper 1.75/1.25 WIL120-9691

    Wilwood Dynapro 4-Piston Billet Aluminum Caliper 1.75" Pistons 1.25" Rotor 5.25" Mount 120-9691

    WILWOOD

    $281.88
    If you're serious about stopping power in high-performance applications, the Wilwood Dynapro 4-Piston Billet Caliper delivers the clamping force and reliability you need. With four 1.75-inch stainless steel pistons and forged billet aluminum...
    WIL120-9691
    SKU:
    WIL120-9691
    Availability:
    Ships Same Business Day
    Weight:
    3.70 LBS
    MFG Part #:
    120-9691
    $281.88
    Qty in Cart: 0
    Quantity:
    Price:
    $281.88
    Subtotal:
  • Dynapro Billet Caliper 1.38/.380 WIL120-9690

    Wilwood Dynapro Billet 2-Piston Caliper 1.38" Bore 0.38" Rotor 3.75" Mount 120-9690

    WILWOOD

    $159.25
    When you're pushing your vehicle to the limit, brake performance is non-negotiable. The Wilwood Dynapro Billet 2-Piston Caliper delivers the stopping power and reliability demanded by serious racers and high-performance enthusiasts. Built from billet...
    WIL120-9690
    SKU:
    WIL120-9690
    Availability:
    Ships Same Business Day
    Weight:
    2.30 LBS
    MFG Part #:
    120-9690
    $159.25
    Qty in Cart: 0
    Quantity:
    Price:
    $159.25
    Subtotal:
  • 2.00in Undersize Metric Caliper WIL120-9333

    Wilwood 2.00in Undersize Metric Caliper 120-9333

    WILWOOD

    $106.75
    If you're running a GM Metric brake system and need reliable stopping power without compromise, the Wilwood 2.00in Undersize Metric Caliper delivers the precision engineering required for high-performance applications. This single-piston caliper pairs...
    WIL120-9333
    SKU:
    WIL120-9333
    Availability:
    Ships Same Business Day
    Weight:
    4.44 LBS
    MFG Part #:
    120-9333
    Qty in Cart: 0
    Quantity:
    Price:
    $106.75
    Subtotal:
  • 2.75in Oversize Metric Caliper WIL120-8924

    Wilwood GM Metric Iron Single Piston Floater Caliper 2.75" Piston 11.75" Rotor 5.46" Mount WIL120-8924

    WILWOOD

    $106.75
    If you're running a GM Metric brake system in competition, this Wilwood caliper delivers the stopping power and consistency you need when it matters most. The 2.75-inch stainless steel piston provides superior braking force while the cast iron...
    WIL120-8924
    SKU:
    WIL120-8924
    Availability:
    Ships Same Business Day
    Weight:
    4.89 LBS
    MFG Part #:
    120-8924
    $106.75
    Qty in Cart: 0
    Quantity:
    Price:
    $106.75
    Subtotal:
  • Caliper FNDL  3.50in Mt. 1.38in Piston 1.00in Rtr WIL120-15255

    Wilwood Forged Narrow Mount Dynalite Caliper 3.50in Mount 1.38in Pistons 1.00in Rotor WIL120-15255

    WILWOOD

    $184.24
    When track performance demands precision braking, the Wilwood Forged Narrow Mount Dynalite Caliper delivers the clamping force and thermal stability required for consistent stops lap after lap. Its four 1.38-inch stainless steel pistons generate...
    WIL120-15255
    SKU:
    WIL120-15255
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MFG Part #:
    120-15255
    Qty in Cart: 0
    Quantity:
    Price:
    $184.24
    Subtotal:
  • Caliper FNDL  3.50in Mt. 1.75in Piston 1.00in Rtr WIL120-15254

    Wilwood Forged Narrow Dynalite Caliper 3.50in Mount 1.75in Pistons 1.00in Rotor 120-15254

    WILWOOD

    $184.24
    When you're serious about stopping power, brake system design matters as much as engine output. The Wilwood Forged Narrow Mount Dynalite delivers the clamping force and thermal stability required for sustained high-performance braking, whether you're...
    WIL120-15254
    SKU:
    WIL120-15254
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    MFG Part #:
    120-15254
    $184.24
    Qty in Cart: 0
    Quantity:
    Price:
    $184.24
    Subtotal:
  • GM Metric Race Caliper 2.00in Pis / 1.040 Rotor WIL120-14876

    Wilwood GM Metric Race Caliper 2.00in Piston 1.040in Rotor 5.460in Mount 120-14876

    WILWOOD

    $179.81
    If you're running a GM-based race car in a spec series or building a dedicated track machine, brake performance is non-negotiable. The Wilwood GM Metric Race Caliper delivers the stopping power and repeatability you need through a straightforward, proven...
    WIL120-14876
    SKU:
    WIL120-14876
    Availability:
    Ships Same Business Day
    Weight:
    3.55 LBS
    MFG Part #:
    120-14876
    $179.81
    Qty in Cart: 0
    Quantity:
    Price:
    $179.81
    Subtotal:
  • GM Metric Race Caliper 2.50 / 1.040 WIL120-13900

    Wilwood GM Metric Race Caliper 2.50" Piston 1.040" Rotor 5.460" Mount WIL120-13900

    WILWOOD

    $179.81
    If you're running in IMCA-sanctioned competition, you need a caliper that meets tech inspections while delivering consistent, repeatable braking performance under race conditions. The Wilwood GM Metric Race Caliper combines proven cast iron construction...
    WIL120-13900
    SKU:
    WIL120-13900
    Availability:
    Ships Same Business Day
    Weight:
    3.90 LBS
    MFG Part #:
    120-13900
    $179.81
    Qty in Cart: 0
    Quantity:
    Price:
    $179.81
    Subtotal:
  • Billet NDL Caliper Radial Mount Side Inlet WIL120-13406-SI

    Wilwood Billet Narrow Dynalite 4-Piston Radial Mount Caliper 12.72" OD 0.81" Rotor WIL120-13406-SI

    WILWOOD

    $265.56
    When you're running competitive racing, brake performance is non-negotiable—and this Wilwood Billet Narrow Dynalite caliper delivers the stopping power and weight savings that separate winners from the rest. Built from CNC-machined billet aluminum and...
    WIL120-13406-SI
    SKU:
    WIL120-13406-SI
    Availability:
    Ships Same Business Day
    Weight:
    3.40 LBS
    MFG Part #:
    120-13406-SI
    Qty in Cart: 0
    Quantity:
    Price:
    $265.56
    Subtotal:
  • Caliper FNDL 3.50in Mt 1.12in Pistons x .810in WIL120-11578

    Wilwood Forged Narrow Dynalite Caliper 3.50in Mount 1.12in Pistons 0.810in Rotor 120-11578

    WILWOOD

    $188.97
    When braking performance separates winners from the field, the Wilwood Forged Narrow Dynalite Caliper delivers the clamping force and thermal stability required for sustained competition. Its compact 3.50-inch lug mount and four stainless steel pistons...
    WIL120-11578
    SKU:
    WIL120-11578
    Availability:
    Ships Same Business Day
    Weight:
    3.95 LBS
    MFG Part #:
    120-11578
    $188.97
    Qty in Cart: 0
    Quantity:
    Price:
    $188.97
    Subtotal:
  • Caliper FNDL 3.50in Mt 1.375 Piston WIL120-11576

    Wilwood Forged Narrow Dynalite 4-Piston Caliper 3.5" Mount 1.375" Piston 120-11576

    WILWOOD

    $178.68
    Serious track time demands serious stopping power. The Wilwood Forged Narrow Dynalite caliper delivers the clamping force and thermal stability you need to nail consistent lap times without fade, whether you're running late models, sprints, or road...
    WIL120-11576
    SKU:
    WIL120-11576
    Availability:
    Ships Same Business Day
    Weight:
    4.04 LBS
    MFG Part #:
    120-11576
    $178.68
    Qty in Cart: 0
    Quantity:
    Price:
    $178.68
    Subtotal:
  • Caliper FNDL 3.50in Mt 1.375 Piston WIL120-11575

    Wilwood Forged Narrow Dynalite 4-Piston Aluminum Brake Caliper 3.5in Mount 1.375in Piston 120-11575

    WILWOOD

    $178.68
    When you're braking at the edge of a competitive edge, you need a caliper that won't fade under sustained track temperatures or inconsistent pressure. The Wilwood Forged Narrow Dynalite delivers the thermal stability and stopping power required for...
    WIL120-11575
    SKU:
    WIL120-11575
    Availability:
    Ships Same Business Day
    Weight:
    3.86 LBS
    MFG Part #:
    120-11575
    $178.68
    Qty in Cart: 0
    Quantity:
    Price:
    $178.68
    Subtotal:
  • Caliper FNDL 3.50in Mt 1.75 Piston WIL120-11573

    Wilwood Forged Narrow Mount Dynalite Caliper 3.5" Mount 1.75" Pistons 1.25" Rotor 120-11573

    WILWOOD

    $178.68
    When you're pushing your vehicle to the limit on the track, brake performance can't be compromised. The Wilwood Forged Narrow Mount Dynalite Caliper delivers the stopping power and reliability that competitive racers demand, with a lightweight design...
    WIL120-11573
    SKU:
    WIL120-11573
    Availability:
    Ships Same Business Day
    Weight:
    3.80 LBS
    MFG Part #:
    120-11573
    $178.68
    Qty in Cart: 0
    Quantity:
    Price:
    $178.68
    Subtotal:
  • Caliper FNDL 3.50in Mt 1.75 Piston WIL120-11572-SI

    Wilwood Forged Narrow Dynalite 4-Piston Aluminum Caliper 3.5" Mount 1.75" Pistons 12.72" OD x 0.81" Thick Rotor WIL120-11572-SI

    WILWOOD

    $205.32
    When your braking system is the difference between winning and crashing, you need a caliper that delivers consistent stopping power lap after lap. The Wilwood Forged Narrow Dynalite 4-piston caliper combines lightweight forged aluminum construction with...
    WIL120-11572-SI
    SKU:
    WIL120-11572-SI
    Availability:
    Ships Same Business Day
    Weight:
    3.80 LBS
    MFG Part #:
    120-11572-SI
    $205.32
    Qty in Cart: 0
    Quantity:
    Price:
    $205.32
    Subtotal:
  • Caliper FNDL 3.50in Mt 1.75 Piston WIL120-11572

    Wilwood Forged Narrow Dynalite 4-Piston Caliper 3.50in Mount 1.75in Pistons 12.72in OD Rotor 0.81in Thick 120-11572

    WILWOOD

    $178.68
    Consistent, predictable braking performance is non-negotiable in high-speed racing and spirited driving. The Wilwood Forged Narrow Dynalite delivers the stopping power and reliability you need through a compact 4-piston design paired with lightweight...
    WIL120-11572
    SKU:
    WIL120-11572
    Availability:
    Ships Same Business Day
    Weight:
    3.70 LBS
    MFG Part #:
    120-11572
    $178.68
    Qty in Cart: 0
    Quantity:
    Price:
    $178.68
    Subtotal:
  • Caliper FNDL 3.50in Mt 1.75 Piston WIL120-11571-SI

    Wilwood Forged Narrow Mount Dynalite 4-Piston Aluminum Brake Caliper 3.500" Lug Mount 12.720" OD x 0.380" Thick Rotor 120-11571-SI

    WILWOOD

    $205.32
    When you're pushing your vehicle to the limit on track or strip, your brakes need to deliver consistent, fade-resistant stopping power without compromise. The Wilwood Forged Narrow Mount Dynalite 4-Piston Caliper is engineered for serious racers who...
    WIL120-11571-SI
    SKU:
    WIL120-11571-SI
    Availability:
    Ships Same Business Day
    Weight:
    3.62 LBS
    MFG Part #:
    120-11571-SI
    $205.32
    Qty in Cart: 0
    Quantity:
    Price:
    $205.32
    Subtotal:
  • Caliper FNDL 3.50in Mt 1.75 Piston WIL120-11571

    Wilwood Forged Narrow Mount Dynalite Caliper 3.50in Lug Mount 1.75in Pistons 12.72in OD Rotor 120-11571

    WILWOOD

    $178.68
    When you're pushing your vehicle to the limit on the track, your brakes need to match your commitment to performance. The Wilwood Forged Narrow Mount Dynalite Caliper delivers consistent, fade-resistant stopping power through its 4-piston design and...
    WIL120-11571
    SKU:
    WIL120-11571
    Availability:
    Ships Same Business Day
    Weight:
    3.60 LBS
    MFG Part #:
    120-11571
    $178.68
    Qty in Cart: 0
    Quantity:
    Price:
    $178.68
    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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