Powerbrake X-Line Big Brake Kit | 2008-2021 Toyota Tundra (2nd Gen)





Powerbrake X-Line Big Brake Kit | 2008-2021 Toyota Tundra (2nd Gen)
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Toyota Tundra 2nd Gen Big Brake Kit Overview
Bigger tires, armor, a rooftop tent and a full load all ask more of your Toyota Tundra's factory brakes than they were built for. The Powerbrake X-Line big brake kit replaces the front brakes on your 2008-2021 Toyota Tundra 2nd Gen with billet 6-piston calipers and larger vented rotors. You get shorter, more consistent stops and a firmer pedal on long downhills, when towing, and when your rig is loaded for a trip.
Powerbrake builds these kits in South Africa, using what it learned building brakes for Dakar Rally race trucks. We carry them as the big brake upgrade that goes with our own braided brake lines.
What's Included
- 2 X-Line billet aluminum 6-piston calipers (Grey or Red)
- High-performance brake pads, already installed in the calipers
- 2 large-diameter one-piece rotors
- 2 billet caliper mounting brackets
- Stainless steel braided brake lines
- All mounting hardware, plus fitment and bed-in instructions
Specs
- Calipers: X-Line billet aluminum, 6 stainless steel pistons, internal fluid crossovers, protected bleed screws, wiper seals, high-temp pressure seals, stainless hardware, anti-rattle pad springs
- Rotors: one-piece 370 x 34 mm (14.6 in), 48 curved directional cooling vanes
- Max temperature recording: Powerbrake's MTR system on the calipers and rotors keeps a record of the highest temperature they reach
- Brackets: billet, with stainless thread inserts for the radial-mount bolts
- Brake lines: stainless braided with stainless fittings and a PVC protective cover
- Position: front axle, bolt-on
Fitment & Wheel Clearance
- Fits: 2008-2021 Toyota Tundra 2nd Gen
- Position: front axle
Fitment Table
| Vehicle | Years | Option | Powerbrake Part # |
|---|---|---|---|
| Toyota Tundra 2nd Gen | 2008-2021 | Grey / 2008-2015 (M12 Bracket) | TOY421GREY |
| Toyota Tundra 2nd Gen | 2008-2021 | Grey / 2016-2021 (M14 Bracket) | TOY419GREY |
| Toyota Tundra 2nd Gen | 2008-2021 | Red / 2008-2015 (M12 Bracket) | TOY421RED |
| Toyota Tundra 2nd Gen | 2008-2021 | Red / 2016-2021 (M14 Bracket) | TOY419RED |
Pick your model years: 2008-2015 trucks use the M12 caliper-bracket bolt version, and 2016-2021 trucks use the M14 version.
This kit puts a 370 x 34 mm (14.6 in) rotor and a 6-piston caliper behind your wheel. This kit runs Powerbrake's largest 370 mm rotor, so it needs a large-diameter wheel; Powerbrake doesn't publish a minimum size for it. Spoke shape and offset matter as much as diameter, so print Powerbrake's wheel fitment template and check it against your wheel before you order.
Not sure it fits? Call us at 850-324-6726 or email info@brakelinepros.com with your year, trim, lift and wheel size.
Why Upgrade
- More stopping power: a larger rotor gives the caliper more leverage, which counters the extra weight of big tires and gear.
- Less brake fade: curved-vane rotors and billet calipers shed heat on long descents and while towing.
- Better pedal feel: six pistons on a larger pad, plus braided lines, give a firm pedal you can control.
Complete Your Brake Upgrade
- Brake lines: pair this kit with our 2007-2021 (2nd Gen) Toyota Tundra Braided Stainless Extended Brake Lines - Front & Rear Set, built in house by Brake Line Pros.
- More for your truck: shop every part for the Toyota Tundra 2nd Gen (2007-2021) brake lines & brake kits.
- Compare kits: see all Powerbrake performance brake kits for Toyota and Lexus trucks.
Shipping & Warranty
Free shipping. This kit ships direct from Powerbrake's North Carolina warehouse, usually within 3-4 business days. Our 2-day delivery promise doesn't apply to this kit, and orders over $300 may need a signature on delivery. For warranty or install questions, contact us and we'll work with Powerbrake directly.
FAQ
How do I know if I need M12 or M14?
Go by model year: 2008-2015 trucks use the M12 version and 2016-2021 trucks use the M14 version. If your truck has had its knuckles or brakes swapped, call us and we'll help you check.
Is it really bolt-on?
Yes. The kit bolts to the factory mounting points using the included billet brackets, with no cutting, drilling or welding. A professional install is recommended, followed by a full bleed and the bed-in procedure in the instructions.
My truck is lifted. Will the brake lines reach?
The kit includes stainless braided lines. If your lift needs longer lines, tell us your lift height. We build custom-length braided lines in house, usually in 1-2 business days.
Grey or red: is there a difference?
Only the look. Both colors are the same billet 6-piston caliper with the same performance.
Why Brake Line Pros?
Built & Tested in the USA
Every brake line is pressure tested and inspected before shipping to ensure reliable performance on and off the road.
Specifications
| Proudly Made in the USA | ✔️ |
|---|---|
| DOT & NHTSA Certified | ✔️ |
| Premium Braided Stainless Steel Construction | ✔️ |
| PTFE (Teflon®) Inner Core | ✔️ |
| Kevlar® Reinforced Design | ✔️ |
| Precision-Machined Steel Fittings | ✔️ |
| Pressure Tested & Individually Inspected | ✔️ |
| Compatible with All DOT Brake Fluids | ✔️ |
| Improved Brake Pedal Feel & Response | ✔️ |
| Reduced Line Expansion Under Pressure | ✔️ |
| Corrosion & Abrasion Resistant | ✔️ |
| Direct-Fit and Custom Applications Available | ✔️ |
Delivery & Returns
Most orders are processed and shipped within 1-2 business days, with expected delivery times of 3-7 business days, depending on your location. You’ll receive a tracking number to monitor your shipment from the moment it leaves our warehouse until it arrives. We're located in 590 Armistead Blvd, Holt, FL 32564 so expect faster shipping on the east coast.
Warranty
Don't like your lines? No problem, just send them back. No questions asked 30-day warranty for un-installed lines. We've built hundreds of thousands of brake lines over the years. Every component is made in the USA, all lines are DOT and NHTSA certified, every unit is pressure tested and then physically inspected before shipping. You won't find a better aftermarket brake line on the market. We guarantee it.
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