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
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7/8in Master Cylinder Kit 74-875U
TILTON
$102.00A quality master cylinder is the foundation of responsive braking performance, and this 7/8in bore design delivers the pressure consistency needed for precision pedal feel in high-demand applications. Whether you're building a track car or upgrading a...TIL74-875U- SKU:
- TIL74-875U
- Availability:
- Ships Same Business Day
- Weight:
- 2.44 LBS
- MFG Part #:
- 74-875U
$102.00 -
7/8in Master Cyl Repair Kit 74-875RK
TILTON
$29.75Master cylinder seals degrade over time, compromising braking feel and responsiveness—critical issues in both road and track environments. This OEM-quality rebuild kit restores your Tilton 74-Series master cylinder to factory specifications without the...TIL74-875RK- SKU:
- TIL74-875RK
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 74-875RK
$29.75 -
7/8in Master Cyl Only 74-875
TILTON
$73.95A master cylinder is the critical foundation of any hydraulic braking system—without a quality unit, you're compromising pedal feel, response time, and ultimately, safety. The 74-875 delivers the bore size and stroke you need for consistent pressure...TIL74-875- SKU:
- TIL74-875
- Availability:
- Ships Same Business Day
- Weight:
- 1.22 LBS
- MFG Part #:
- 74-875
$73.95 -
13/16 Master Cylinder Kit 74-812U
TILTON
$102.00A precision-engineered master cylinder is the foundation of any high-performance braking system, and this 13/16" bore unit delivers the hydraulic control and modulation that serious racers and street enthusiasts demand. The 74-812U kit gives you a...TIL74-812U- SKU:
- TIL74-812U
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- MFG Part #:
- 74-812U
$102.00 -
3/4in Master Cylinder Kit 74-750U
TILTON
$102.00A properly-sized master cylinder is critical for brake modulation and pedal feel—especially in high-performance and racing applications where precision matters. The 3/4in bore on this 74-series unit delivers responsive brake input without excessive pedal...TIL74-750U- SKU:
- TIL74-750U
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
- MFG Part #:
- 74-750U
$102.00 -
3/4 Master Cyl.Repair Ki 74-750RK
TILTON
$29.75A worn master cylinder compromises braking feel, responsiveness, and safety—this rebuild kit restores your Tilton 74-Series to factory performance without the cost of replacement. Whether you're prepping for race season or maintaining a high-performance...TIL74-750RK- SKU:
- TIL74-750RK
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- 74-750RK
$29.75 -
3/4in Master Cyl Only 74-750
TILTON
$73.95A master cylinder is the heart of your braking system—it converts pedal pressure into hydraulic force that stops your vehicle. The 74-Series 3/4in Master Cylinder delivers consistent, reliable pressure modulation across a wide range of racing and...TIL74-750- SKU:
- TIL74-750
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- MFG Part #:
- 74-750
$73.95 -
5/8 MASTER CYLINDER KIT 74-625U
TILTON
$102.00A properly sized master cylinder is critical to brake system responsiveness and modulation—especially in high-performance applications where pedal feel and stopping power are non-negotiable. The 5/8" bore on this 74-Series unit delivers the hydraulic...TIL74-625U- SKU:
- TIL74-625U
- Availability:
- Ships Same Business Day
- Weight:
- 2.21 LBS
- MFG Part #:
- 74-625U
$102.00 -
Remote Res. Adapter 74-212
TILTON
$8.50Remote reservoir mounting solutions are essential for optimizing brake system packaging in tight engine bays or custom builds where a traditional integral reservoir won't fit. This adapter bracket provides a clean, reliable connection between your Tilton...TIL74-212- SKU:
- TIL74-212
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 74-212
$8.50 -
Clamp-Sold Each 74-208
TILTON
$2.00A secure hydraulic connection is non-negotiable in high-performance braking systems, and this master cylinder reservoir clamp ensures your Tilton brake system maintains consistent pressure under the most demanding conditions. Vibration and g-forces on...TIL74-208- SKU:
- TIL74-208
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 74-208
$2.00 -
M/C Reservoir Cap 74-207
TILTON
$5.95A properly functioning master cylinder cap is critical to brake system reliability—it maintains fluid pressure, prevents contamination, and ensures consistent pedal feel during hard braking. If you're running Tilton 74 or 75-Series master cylinders, this...TIL74-207- SKU:
- TIL74-207
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 74-207
$5.95 -
Reservoir Large 74-204
TILTON
$7.65A properly sized master cylinder reservoir ensures consistent brake fluid delivery under sustained braking loads—critical for maintaining pressure during hard cornering and repeated stops at the track. This 10.7 oz capacity is engineered to work...TIL74-204- SKU:
- TIL74-204
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 74-204
$7.65 -
Master Cylinder Reservoi 6.8oz Medium 74-203
TILTON
$7.65A properly sized master cylinder reservoir is critical for consistent brake feel and safety under sustained braking conditions. This 6.8oz medium reservoir from Tilton delivers the right fluid volume for track applications without excess weight or bulk,...TIL74-203- SKU:
- TIL74-203
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- 74-203
$7.65 -
Reservoir Small 74-202
TILTON
$7.65If you're running a Tilton 74 or 75-Series master cylinder, a dedicated reservoir engineered for your specific brake system is non-negotiable. This compact 4.0 oz reservoir maintains consistent fluid levels during hard braking events, preventing air...TIL74-202- SKU:
- TIL74-202
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 74-202
$7.65 -
Remote Res. Inl. Fitting 74-200
TILTON
$3.83If you're running a Tilton 74 or 75-series master cylinder, a remote reservoir inlet fitting is essential for maintaining consistent brake fluid levels and improving system reliability during hard cornering and extended braking events. This adapter lets...TIL74-200- SKU:
- TIL74-200
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 74-200
$3.83 -
Master Cylinder Kit 1-1/8 BORE 74-1125U
TILTON
$102.00A quality master cylinder is the foundation of any braking system—it's where driver input converts directly to stopping power. The 74-1125U delivers consistent, responsive hydraulic pressure with a 1-1/8" bore sized for moderate to high-performance...TIL74-1125U- SKU:
- TIL74-1125U
- Availability:
- Ships Same Business Day
- Weight:
- 2.42 LBS
- MFG Part #:
- 74-1125U
$102.00Qty in Cart: 0Quantity:Price:$102.00Subtotal: -
1in Master Cylinder Kit 74-1000U
TILTON
$102.00A precision master cylinder is the foundation of any high-performance braking system—it directly determines pedal feel, modulation, and stopping power. The 74-1000U delivers consistent hydraulic pressure and reliable engagement across track sessions and...TIL74-1000U- SKU:
- TIL74-1000U
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- MFG Part #:
- 74-1000U
$102.00 -
1in Repair Kit 74-1000RK
TILTON
$29.75Master cylinder seals and internals degrade over time, compromising brake feel and safety—this rebuild kit restores your Tilton 74-Series master cylinder to factory specifications without replacing the entire assembly. Whether you're maintaining a race...TIL74-1000RK- SKU:
- TIL74-1000RK
- Availability:
- Ships Same Business Day
- Weight:
- 0.36 LBS
- MFG Part #:
- 74-1000RK
$29.75 -
1in Master Cyl Only 74-1000
TILTON
$73.95A precision 1-inch master cylinder is the foundation of responsive brake modulation—critical for both track performance and safety-critical street applications. The 74-1000's compact bore and aluminum construction deliver consistent pedal feel while...TIL74-1000- SKU:
- TIL74-1000
- Availability:
- Ships Same Business Day
- Weight:
- 1.21 LBS
- MFG Part #:
- 74-1000
$73.95 -
Master Cylinder .875in Integral Reservoir 73-875
TILTON
$69.70A quality master cylinder is the foundation of responsive brake modulation—this integral reservoir design eliminates external lines and potential leak points while delivering consistent hydraulic pressure to your brake system. Whether you're building a...TIL73-875- SKU:
- TIL73-875
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- 73-875
$69.70
