Brake Systems And Components
Circle Track Brake Systems & Components at JJ Motorsports
Upgrade your circle track braking performance with complete systems and components from JJ Motorsports. Designed for IMCA, USMTS, and dirt oval racing, our kits and parts provide superior stopping power, heat dissipation, and durability to handle high-speed turns and intense competition in modifieds, late models, and street stocks.
Shop trusted brands like Wilwood for rotors, calipers, and pads, Hawk for high-friction compounds, and BSB Manufacturing for custom racing solutions. Explore related categories such as Circle Track Brakes for comprehensive braking options or Circle Track Chassis & Suspension for handling upgrades.
Top Circle Track Brake Systems & Components
IMCA Short Arm 3-Piece Spindle With Wilwood Rotor Kit – Complete kit including two Wilwood metric rotors, bearings with seals, spindle bodies, short arms, brackets, and hardware; designed for IMCA applications, in stock with same-day shipping.
Wilwood Ultralite 32 11.75" x 1.25" Brake Rotor 8 x 7" Bolt Pattern 160-2899 – High-performance dirt racing rotor with straight-vane design for heat dissipation; premium iron alloy, 11.75 in diameter, 1.25 in thick, 8 x 7.00 in bolt pattern, plain face, sold each.
Wilwood D154 Black Dual Piston Caliper 1.62" Bore 12.19" Rotor 120-11873-BK – Lightweight aluminum caliper with black anodized finish; dual 1.62 in stainless pistons, floating mount for 12.19 in rotors up to 0.81 in thick, M10 x 1.50 inlet, compatible with mid-size GM vehicles.
Wilwood BP-10 Brake Pads Medium Friction for Dynapro Calipers 150-9136K – Medium friction pads with smooth engagement and low dust/noise; 0.49 in thick, suitable for Dynapro and Dynalite calipers on steel/iron 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
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Wilwood Square O-Ring Kit 1.12 130-2579
WILWOOD
$13.90Brake caliper seals wear with use, and worn O-rings lead to fluid leakage, inconsistent pedal feel, and reduced braking reliability. The Wilwood Square O-Ring Kit 130-2579 provides OEM-quality replacement seals engineered specifically for Wilwood 1...WIL130-2579- SKU:
- WIL130-2579
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 130-2579
$13.90 -
Wilwood Square O-Ring Kit 1.25" Piston 4-Pack 130-2479
WILWOOD
$13.90Wilwood brake calipers demand precision sealing to maintain consistent stopping power and prevent fluid weeping that compromises safety. This square O-ring kit provides factory-spec replacement seals for 1.25-inch pistons, keeping your calipers...WIL130-2479- SKU:
- WIL130-2479
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 130-2479
$13.90 -
Wilwood Square O-Ring Kit 1.88/1.75 4-Pack 130-2427
WILWOOD
$13.90Wilwood brake calipers demand precision-engineered sealing components to maintain consistent pressure and prevent fluid loss under race conditions. These OEM-specification square O-rings are the critical maintenance items that keep your braking system...WIL130-2427- SKU:
- WIL130-2427
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 130-2427
$13.90 -
Wilwood 2.00" Round O-Ring Kit 4-Pack 130-0777
WILWOOD
$18.32Brake caliper seals degrade over time, compromising system pressure and stopping power. This Wilwood O-Ring Kit gives you the exact replacements needed to restore your 2.00-inch caliper pistons to factory specifications without a full caliper replacement...WIL130-0777- SKU:
- WIL130-0777
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 130-0777
$18.32 -
Wilwood Dynapro 4-Piston Billet Aluminum Caliper 1.38" Bore 0.81" Rotor 5.25" Mount 120-9703
WILWOOD
$281.88If you're building a high-performance braking system that demands reliability under sustained hard braking, the Wilwood Dynapro 4-Piston Caliper delivers the clamping force and thermal stability you need. The stress-flow forged billet aluminum...WIL120-9703- SKU:
- WIL120-9703
- Availability:
- Ships Same Business Day
- Weight:
- 3.60 LBS
- MFG Part #:
- 120-9703
$281.88 -
Wilwood Dynapro Billet Caliper 4 Piston Side Inlet 1.75" Pistons 0.380" Rotor 5.250" Mount 120-9695-SI
WILWOOD
$246.88The Wilwood Dynapro Billet Caliper delivers the stopping power and reliability you need for high-speed track work and performance driving. With four stainless steel pistons and a rigid billet aluminum construction, this caliper provides consistent,...WIL120-9695-SI- SKU:
- WIL120-9695-SI
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- MFG Part #:
- 120-9695-SI
$246.88 -
Wilwood Dynapro Lug Mount 4-Piston Caliper 1.75" Pistons 0.38" Rotor 5.25" Mount Center 120-9695
WILWOOD
$281.88When 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 -
Wilwood Dynapro 4-Piston Billet Caliper 1.75" Pistons 0.81" Rotor Lug Mount 120-9693-SI
WILWOOD
$246.88Serious 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 -
Wilwood Dynapro 4-Piston Billet Aluminum Caliper 1.75" Pistons 0.81" Rotor 5.25" Lug Mount 120-9693
WILWOOD
$281.88When 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 -
Wilwood Dynapro 4-Piston Billet Aluminum Caliper 1.75" Pistons 1.25" Rotor 5.25" Mount 120-9691
WILWOOD
$281.88If 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 -
Wilwood Dynapro Billet 2-Piston Caliper 1.38" Bore 0.38" Rotor 3.75" Mount 120-9690
WILWOOD
$159.25When 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 -
Wilwood 2.00in Undersize Metric Caliper 120-9333
WILWOOD
$106.75If 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
$106.75Qty in Cart: 0Quantity:Price:$106.75Subtotal: -
Wilwood GM Metric Iron Single Piston Floater Caliper 2.75" Piston 11.75" Rotor 5.46" Mount WIL120-8924
WILWOOD
$106.75If 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 -
Wilwood Forged Narrow Mount Dynalite Caliper 3.50in Mount 1.38in Pistons 1.00in Rotor WIL120-15255
WILWOOD
$184.24When 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
$184.24 -
Wilwood Forged Narrow Dynalite Caliper 3.50in Mount 1.75in Pistons 1.00in Rotor 120-15254
WILWOOD
$184.24When 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 -
Wilwood GM Metric Race Caliper 2.00in Piston 1.040in Rotor 5.460in Mount 120-14876
WILWOOD
$179.81If 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 -
Wilwood GM Metric Race Caliper 2.50" Piston 1.040" Rotor 5.460" Mount WIL120-13900
WILWOOD
$179.81If 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 -
Wilwood Billet Narrow Dynalite 4-Piston Radial Mount Caliper 12.72" OD 0.81" Rotor WIL120-13406-SI
WILWOOD
$265.56When 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
$265.56Qty in Cart: 0Quantity:Price:$265.56Subtotal: -
Wilwood Forged Narrow Dynalite Caliper 3.50in Mount 1.12in Pistons 0.810in Rotor 120-11578
WILWOOD
$188.97When 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 -
Wilwood Forged Narrow Dynalite 4-Piston Caliper 3.5" Mount 1.375" Piston 120-11576
WILWOOD
$178.68Serious 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
