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For Your Every Summer RSVP, with Code: SUMMER15
Description
HPA Motorsports Rear Big Brake Kit (335mm) - Mk4 | Mk5 | Mk6 | Mk7FRONT AND REAR STREET PERFORMANCE BIG BRAKE KITS HPA worked closely with their partners at Baer Brakes, and their engineers have developed compact high performance big brake packages to fit both front and rear Mk4 Mk5 Mk6 MK7 and Audi TT A3 applications. These BBKs are designed in conjunction with Baer and proudly made in the USA. Since 1993, The Baer team has used their philosophy of combining technical and analytical skills to create over 160
FRONT AND REAR STREET PERFORMANCE BIG BRAKE KITS
HPA worked closely with their partners at Baer Brakes, and their engineers have developed compact high performance big brake packages to fit both front and rear Mk4 / Mk5 / Mk6 / MK7 and Audi TT/A3 applications.
These BBK’s are designed in conjunction with Baer and proudly made in the USA. Since 1993, The Baer team has used their philosophy of combining technical and analytical skills to create over 160 different brake systems to meet their stringent standards of performance and durability.
HIGH PERFORMANCE 4-PISTON FREAR BRAKE KIT
The perfect complement to HPA's 6-Piston Aluminum Brake Kit, this rear set up provides balanced braking and appearance and maintains park brake function.
- Rear 4 Piston radial mount caliper
- Slotted two-piece floating rotor 335mm
- Caliper Brackets
- Ceramic Pads
- Integrated backing plate w/custom drum e-brake
- Custom cables
- DOT-approved direct fit stainless steel braided brake lines
- Mounting hardware
- Available in HPA Blue, Red, Silver or Black
*NOTE: Mk4 applications do not include rear stainless steel braided brake lines as OEM brake lines are braided stainless inside the rubber coating.
**NOTE: Mk5 - Mk7 Models - WITHOUT Electronic Parking Brake.
Wheel Fitment: As with our front 6-piston set, the rear BBK fits beneath OEM 18" wheels with NO spacer required.
Weight Savings: This kit shaves 6 pounds of rotational mass per rotor which results in improved acceleration and deceleration, and a total of 32 pounds of un-sprung weight for improved suspension function.
Calipers: CNC machined from billet aluminum, the fixed 4-piston caliper and is designed to increase rigidity, improve braking efficiency, and improve pedal feel. Featuring internal crossover pipes, these calipers have a sleek streamlined look with no fragile external components. Pistons are sized to HPA specification with exact piston bore for perfect front and rear balance. Piston seals protect from dust, weather, and pressure to meet DOT spec.
Rotors: Two piece floating rotor with directional curved vanes, and HPA curved slots. Hats are anodized CNC machined aluminum, and discs are zinc-plated for corrosion protection.
Integrated Park Brake: This unique compact design incorporates a drum style e-brake into the rotor for a clean functional solution.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 5
This tire sealant works very well
Size: 16 oz
So far so good.
Cheaper and easier that tubing a leaking tire
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 3
Hard to install as instructed.
Size: 32 oz
Nearly impossible to get it in the tire through the valve. Yes I removed the valve core.
Broke the bead on the tire and dumped it in. That worked great! So far no leaks.
They should definitely redesign the installation method.
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Reviewed in the United States on April 28, 2026
★★★★★ 5
Been using it for 15 years! Not sure where the Neg reviews come from?
Size: 16 oz
I've been using Liquitube since around 2010. I use it religiously in my ATVs and lawn tractor tires. Since I've been using this stuff, I've never had a flat before. I've pulled out nails and slivers of steel out of my ATV tires but yet none of them lose air or go flat.
I think some of the negative reviews come from improper use of the product or not enough of the product is being used in the tires. I think this come from variance in formula charts that Liquitube has had in the past on their bottles and on their website. The chart on their website wouldn't match the formula that was provided on the bottle. So I think alot of people get mixed up and not knowing the correct amount to add to each tire. Now Liquitube just puts pictures on the side of the bottle with an ounce measurement below each picture to tell people how to use it. But even that can be confusing. For instance, take the picture of the ATV that they show. Below the ATV it says 32oz. Now some people probably think the 32oz is for the entire ATV. Well that isn't the case. They want you to use 32oz Per Tire! Years ago Liquitube even used to say on the bottle to use 32oz per tire on an ATV. Now they just show a picture with an amount below it.
Now you'll come to find out that the 32oz they recommend doesn't match up to the formula they tell you to use to calculate how much each tire is supposed to get. So if you use the formula provided, you come to find that it calculates out to use less product per tire than what the bottle tells you to use. So that's very confusing as well.
So if you use it long enough, you'll be able to know how much each tire will need from experience. Just make sure there's enough on the inside of the tire to coat the entire inside as well as leaving a bit left over to circulate in the tire so it can be ready for a large puncture if that ever happens.
All in all, it's a good product that does what it claims. It lasts for as long as the tire does and it doesn't freeze up in the cold either! 5 stars!
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Reviewed in the United States on February 13, 2026
★★★★★ 5
Worked on slow leak… one month already!!!
Style: 18oz
Edit: Still holding proper pressure at 2-months !!!
Had a slow leak where my tire went from 44psi to ~18psi over 2-3 days… Dashboard light would let me know every few days that I had a tire problem and I would inflate the tire back up to 44psi… Anyway, I used this product and filled air back to 44 psi and it’s held the pressure for a month already !!!! Be sure to deflate tire to ~15 PSI before adding the product… it only took about 30 seconds to empty the container into my tire with the tire pressure low. Very happy with this product !!!
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Reviewed in the United States on April 6, 2026
★★★★★ 5
Excellent stuff!
Style: 18oz
Used this on a Z-Trac with a flat and it fixed it and has held up for over 8 months.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
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