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GSXR 4 piston or 6 Piston Hayabusa Brakes for your 85-92 VMax:

Here’s your chance to get incredible brakes for your early VMax for much less then the “other guys.” (see below for details)

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We have been making these brakes for some time and are well past the testing phase. We offer a very simple bolt on conversion to convert your bike to either 4 piston calipers from the GSXR bikes using your existing rotors OR a 6 piston Hayabusa caliper adaptor which will let you use the newer larger Vmax/R1/R6/FJR rotors (we also sell new EBC/Galfers!). This combination will give you incredible braking never thought possible on this heavy bike.

Here’s one customers comments:
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Did my busa brakes conversion. I snagged some busa calipers for $60.00 with shipping. I got new galfer lines from [Morley's Muscle] for about $150 (but that included a rear and clutch line), I got new wave rotors from china via Ebay, I think I paid about $190 or so. Finally, I got an adaptor from [Morley's Muscle] for $45.00 with shipping.

The install was straight forward once you have all the parts, except that the new calipers were RUBBING on the new wave rotors. I ended up grinding a bit of the metal out of the calipers where the rotor sweeps through. We’re talking 1/32″ here, but it was enough to make it rub. The wheel still turned, but the noise was unnerving.

Once the new system was bled, the brakes sucked pretty much equally as the OEM set up! However, I very quickly noticed that only about 50% of the rotor was being contacted, and I obviously was aware that my 1.2 mile test drive was woefully insufficient to properly bed the pads/rotor. So the next day, god gave me dry roads (but cold weather), and I really laid into the pads. Let’s see, a mile or so in second gear, hard throttle, and about 3/4 braking force … yeah, that should heat the little suckers up. Then some hard stops from very high speeds, and viola … one hell of a joy ride and magically, my brakes were bedded and working AWESOME!

Anyway, I can now lock the up front wheel no problem, which of course is NOT my my goal, but rather, a good indication that I can squeeze as much braking force out of the pads/rotors/lines/calipers as the tire can handle.

Also, it used to be the case that I really had to bear claw the brake lever, but now, a simple squeeze gives plenty of brake force. I had previously noticed that I was THINKING about when and how hard to brake, because i was so worried about my ability to stop, but now, with the busa conversion and after bedding in the brakes, I DO NOT think about my braking, but rather, I just enjoy the ride. This to me means that the brakes are doing what they are supposed to.

I’m a happy camper … and highly recommend doing this mod.
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The adaptors are lazer cut from Stainless and are a very precision made part. Of course with the tolerances that many manufacturers use you may or may not need the same filing of the calipers that were mentioned. This same customer bought new sintered brake pads (we sell EBC and Galfer) and after break in on them was even more amazed.

These brakes give you a true 2 finger stopping ability!

Adapters:
$30 for raw stainless
$40 for powdercoated
$50 for chrome (stock varies)

We do sell new rotors/pads to compliment your purchase and usually have a variety of used calipers/rotors on hand to sell you a complete package.