Master Cylinders-Boosters and Components
Circle Track Master Cylinders, Boosters & Components at JJ Motorsports
Master cylinders and boosters are crucial for consistent and responsive braking in heavy-duty racing conditions. Built for late models and modifieds, these parts ensure maximum hydraulic performance throughout demanding tracks. Integrate them with other high-performance hydraulic systems to achieve seamless braking.
Shop trusted brands like Wilwood for high-volume master cylinders and rebuild kits, Tilton for repair kits, and Allstar Performance for aluminum options. Explore related categories such as Circle Track Brakes for comprehensive braking solutions or Circle Track Brake Systems and Components for additional upgrades.
Top Circle Track Master Cylinders, Boosters & Components
- Wilwood High-Volume Aluminum Master Cylinder 7/8in Bore Integral Reservoir 260-6765 – High-volume design with 7/8-inch bore and 1.430-inch stroke; aluminum natural finish, 8.2 oz capacity for enhanced braking performance.
- Wilwood 5/8" Master Cylinder Rebuild Kit Dust Boot Piston Seals Snap Ring 260-3880 – Comprehensive rebuild kit including piston, seals, snap ring, and dust boot; compatible with Wilwood Combination Remote Master Cylinders.
- Wilwood Residual Pressure Valve 10 lb Red Anodized 1/8 NPT Inlet Outlet 260-13707 – 10 lb pressure valve for drum brakes; billet aluminum with red anodized finish, includes 1/8-27 NPT fittings.
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
-
Wilwood 1in Compact Remote Side Mount Master Cylinder Kit 260-12388
WILWOOD
$106.64Space constraints shouldn't force you to compromise on braking performance. The Wilwood 1in Compact Remote Side Mount Master Cylinder Kit delivers full-stroke hydraulic pressure in a ultra-short 3.37-inch body, making it the ideal solution for engine...WIL260-12388- SKU:
- WIL260-12388
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MFG Part #:
- 260-12388
$106.64 -
Wilwood 7/8in Compact Side Mount Master Cylinder Kit 260-12387
WILWOOD
$106.64Space constraints shouldn't compromise braking performance. The Wilwood 7/8in Compact Side Mount Master Cylinder delivers full-size stopping power in a footprint engineered for tight engine bays, custom chassis builds, and unconventional brake layouts...WIL260-12387- SKU:
- WIL260-12387
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MFG Part #:
- 260-12387
$106.64Qty in Cart: 0Quantity:Price:$106.64Subtotal: -
Wilwood Compact Remote Side Mount Master Cylinder 3/4" Bore Black E-Coat 260-12385
WILWOOD
$106.64When brake system real estate is at a premium, you need a master cylinder that delivers full stopping power without the footprint. The Wilwood Compact Remote Side Mount gives you a full-size master cylinder's performance in a chassis where space is...WIL260-12385- SKU:
- WIL260-12385
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MFG Part #:
- 260-12385
$106.64 -
Wilwood adjustable proportioning valve 3/8-24 IF inlet and outlet 100-1000 psi WIL260-10922
WILWOOD
$53.29Brake balance is non-negotiable in high-performance driving—whether you're on the track or pushing your setup to the limit. This Wilwood adjustable proportioning valve gives you precise control over brake pressure distribution, allowing you to dial in...WIL260-10922- SKU:
- WIL260-10922
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- 260-10922
$53.29 -
Wilwood 1in Short Remote Master Cylinder Rebuild Kit 260-10517
WILWOOD
$29.92Master cylinder seals degrade over time, compromising brake response and safety—this Wilwood rebuild kit restores your remote master cylinder to factory specifications without replacement costs. Whether you're maintaining a race-proven braking system or...WIL260-10517- SKU:
- WIL260-10517
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- 260-10517
$29.92 -
Wilwood 7/8in Remote Reservoir Master Cylinder Rebuild Kit 260-10516
WILWOOD
$29.92Master cylinder seals degrade over time, compromising brake pressure and responsiveness—exactly what you can't afford in a race or high-performance application. This Wilwood rebuild kit restores your 7/8-inch remote reservoir master cylinder to factory...WIL260-10516- SKU:
- WIL260-10516
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 260-10516
$29.92 -
Wilwood 3/4in Short Remote Master Cylinder Rebuild Kit 260-10514
WILWOOD
$29.92Master cylinder seals degrade over time, leading to soft brake pedal feel and reduced hydraulic pressure—a critical safety issue in racing and high-performance applications. This Wilwood rebuild kit restores your 3/4-inch bore remote master cylinder to...WIL260-10514- SKU:
- WIL260-10514
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- 260-10514
$29.92 -
Wilwood 5/8in Short Remote Master Cylinder Rebuild Kit 260-10513
WILWOOD
$29.92Master cylinder seals degrade over time, leading to spongy brake feel and potential system failure—exactly what you can't afford in a race car or high-performance build. This Wilwood rebuild kit gives you everything needed to restore your 5/8-inch remote...WIL260-10513- SKU:
- WIL260-10513
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- 260-10513
$29.92 -
Wilwood 4 oz Remote Mount Reservoir Kit with 30" Hose WIL260-10500
WILWOOD
$39.57If you're running a remote-mount brake system or custom brake setup, you need a dedicated reservoir that won't compromise fluid quality or system reliability. The Wilwood 4 oz Remote Mount Reservoir Kit gives you a complete, bolt-together solution with...WIL260-10500- SKU:
- WIL260-10500
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- MFG Part #:
- 260-10500
$39.57Qty in Cart: 0Quantity:Price:$39.57Subtotal: -
Wilwood compact master cylinder 1-1/8 inch bore 1.12 inch stroke black e-coat 260-10376
WILWOOD
$114.61Space-constrained builds don't have to sacrifice braking performance. This Wilwood compact master cylinder delivers full-size stopping power in a package measuring just 3.375 inches long—ideal for custom fabrication, tight engine bays, and purpose-built...WIL260-10376- SKU:
- WIL260-10376
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MFG Part #:
- 260-10376
$114.61 -
Wilwood Compact Master Cylinder 1in Bore 1.12in Stroke Black E-Coated Aluminum WIL260-10375
WILWOOD
$106.64Space-constrained brake builds demand precision without compromise. The Wilwood Compact Master Cylinder delivers full braking authority in a downsized package, making it the go-to choice for custom fabrications, race cars, and tight engine bays where a...WIL260-10375- SKU:
- WIL260-10375
- Availability:
- Ships Same Business Day
- Weight:
- 2.05 LBS
- MFG Part #:
- 260-10375
$106.64 -
Wilwood Compact Master Cylinder Kit 7/8in Bore 1.120in Stroke Aluminum Black Finish 260-10374
WILWOOD
$106.64If you're building a high-performance braking system in a confined engine bay, you need a master cylinder that delivers full hydraulic pressure without sacrificing installation flexibility. The Wilwood Compact Master Cylinder Kit gives you the stopping...WIL260-10374- SKU:
- WIL260-10374
- Availability:
- Ships Same Business Day
- Weight:
- 2.49 LBS
- MFG Part #:
- 260-10374
$106.64 -
Wilwood Compact Combination Master Cylinder Kit 13/16" Bore with Remote Reservoir 260-10373
WILWOOD
$114.61Space-constrained builds demand braking solutions that don't sacrifice stopping power—the Wilwood Compact Combination Master Cylinder delivers full-size performance in a footprint engineered for tight engine bays and custom chassis. With a 13/16-inch...WIL260-10373- SKU:
- WIL260-10373
- Availability:
- Ships Same Business Day
- Weight:
- 1.94 LBS
- MFG Part #:
- 260-10373
$114.61 -
Wilwood Compact Master Cylinder Kit 3/4in Bore Black E-Coated Aluminum 260-10372
WILWOOD
$106.64When space is at a premium in your race car or custom build, compromising on braking performance isn't an option. The Wilwood Compact Master Cylinder Kit delivers full-size stopping power in a footprint engineered for tight engine bays and custom chassis...WIL260-10372- SKU:
- WIL260-10372
- Availability:
- Ships Same Business Day
- Weight:
- 2.36 LBS
- MFG Part #:
- 260-10372
$106.64 -
Wilwood Compact Remote Master Cylinder Inlet Adapter Black Plastic 260-10264
WILWOOD
$5.21If you're running a Wilwood Compact Remote Master Cylinder brake system, a worn or damaged inlet adapter compromises the integrity of your entire brake circuit. This replacement adapter restores the secure connection between your master cylinder and...WIL260-10264- SKU:
- WIL260-10264
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MFG Part #:
- 260-10264
$5.21 -
Wilwood Tandem Master Cylinder to Single Pedal Adapter Kit WIL250-3677
WILWOOD
$58.15If you're running a single pedal brake assembly but need the hydraulic capacity and modulation of a tandem master cylinder, this adapter kit bridges that gap without fabrication headaches. Wilwood's precision bracket eliminates guesswork on mounting...WIL250-3677- SKU:
- WIL250-3677
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MFG Part #:
- 250-3677
$58.15 -
Proportioning Valve Scre Type AN Threads 90-2000
TILTON
$123.25A proportioning valve is essential for fine-tuning your brake system's front-to-rear pressure distribution, especially in custom or modified vehicles where factory proportioning ratios no longer apply. This adjustable unit gives you precise control over...TIL90-2000- SKU:
- TIL90-2000
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- MFG Part #:
- 90-2000
$123.25 -
Proportioning Valve Lever Type 10mm Threads 90-1003
TILTON
$148.75Proportioning valves are critical for dialing in brake bias across axles, especially in custom or modified brake systems where factory ratios no longer apply. This lever-type proportioning valve gives you precise, real-time adjustment of rear brake...TIL90-1003- SKU:
- TIL90-1003
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 90-1003
$148.75 -
Proportioning Valve Lever Type AN Threads 90-1000
TILTON
$148.75Brake proportioning is critical for balanced braking performance across axles, and this lever-type valve gives you precise, adjustable control over brake pressure distribution. Whether you're tuning a street machine or dialing in a race car, the ability...TIL90-1000- SKU:
- TIL90-1000
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- MFG Part #:
- 90-1000
$148.75 -
Master Cylinder 7/8in 78-875
TILTON
$250.75A properly sized master cylinder is critical to brake system response and pedal feel—especially in high-performance applications where consistency matters. This 7/8-inch bore unit delivers predictable hydraulic pressure with minimal fade, giving you the...TIL78-875- SKU:
- TIL78-875
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- 78-875
$250.75
