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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
TX4R Forged Radial Brake Calipers
Tactical Xtreme TX4R radial mount four-piston brake calipers are engineered and manufactured specifically for severe-duty service on trucks, SUV’s, and armored vehicles in Class 1, 2, and 3 applications up to 14,000 pounds GVWR. The combination of the forged aluminum body, stainless steel pistons, large volume pads, and the ability to accommodate brake rotors up to 1.50” thick, make the TX4R the ultimate choice for high strength, lightweight, tactical level braking capacity for all types of on and off-road extreme duty applications. TX4R calipers are finished with a hard anodize on base models, with options for gloss black or red powder coat. Bridge plates and protected single bleed design with internal fluid ports.
Pistons
| Piston Quantity | 4 |
| Piston Area (in²) | 3.56 |
| Piston Type | Stainless |
| Piston Dust Boot | Yes |
Rotor Dimensions
| Rotor Width (in) | 1.25 |
| Rotor Diameter (in) | 16.00 |
Pad Dimensions
| Pad Area (in²) | 12.69 |
| Pad Volume (in³) | 6.81 |
Use and Material Classification
| Material | Forged Aluminum |
| Weight (lbs) | 13.4 |
Colors & Finishes
| Color | Red |
| Finish | Red Powder Coat |
Mounting
| Mounting Center (in) | 9.63 |
| Mounting Position | |
| Mounting Side | Right |
| Mounting Type | Radial |
Specifications
Rotor Compatibility
| Rotor Width (in) | 1.25 |
| Max Rotor Width (in) | 1.25 |
| Min Rotor Width (in) | 1.17 |
| Max Rotor Diameter (in) | 16.00 |
| Min Rotor Diameter (in) | 14.25 |
Brake Pad Specifications
| Brake Pad Type 1 | 10120 |
| Brake Pad Type 2 | N-A |
| Brake Pad Type 3 | N-A |
| Total Pad Area (in²) | 12.69 |
| Total Pad Volume (in³) | 6.81 |
| Mounting |
Piston Specifications
| Piston Diameter 1 (in³) | 1.62 | |
| Piston Diameter 2 (in³) | Mounting Side | Right |
| Mounting Center (in) | 9.63 | |
| Mounting Hole Size (in) | ||
| Mounting Height (in) | 3.07 | |
| Inlet Thread Size | 1/8-27 NPT |










WHY THETUNERLAB
We have spent years building cars, racing, and testing the exact same parts that we sell.
01
We test before we recommend.
02
We help you choose the right part.
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Only trusted manufacturers.
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Before and after the purchase.
+10 years
of passion for drifting
+30.000
available products
+5.000
satisfied customers
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passion for motoring
Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
You can contact our team via WhatsApp, email, or our website's contact form.
Shipping costs depend on the type of product, its weight, dimensions, and the destination country. In most cases, the amount is calculated automatically during the checkout process before the order is finalized.
For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.