Good-Win Racing Mazda Performance Parts

AP Racing 11.75" Replacement Rotor Ring

1990-2005

Miata 1990-2005 · Brakes · Brake Kits and Complete Packages


Part Number: 61-2008

Application: 1990-2005

Price: $134.00

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AP Racing 11.75" Replacement Rotor Ring
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Price is for ONE rotor. Shipped in matching Left and Right pairs when you order two, unless you request otherwise.

Wearing through the Wilwood-brand rotors quickly? Upgrade your 11.75" Big Brake Kit rotors to ultra-high grade motorsport rotors. These rotors outlast the cheaper aftermarket rotors many times over and offer better consistency and lower temperatures as well.

Direct replacement for the friction rings in any of the popular 11.75" Big Brake Kits on the market for the NA/NB which use the common Wilwood rotors with 8 bolt connection layout. This is for the friction ring ONLY.

Note: ONLY fits 11.75" BBK. Does not fit kits that use a 11" rotor.

The AP Racing J Hook discs are the epitome of endurance racing components. They will hold up extremely well to any abuse you plan to throw at them. These discs have been proven time and again in professional racing, winning many races and even championships (ALMS, Rolex, Grand Am, etc.).

Internal Vane Design and Quality
OEM-style discs and other brands of aftermarket discs often use "pillar" style or straight non-directional vanes which are not well suited to heat evacuation. The curved vanes in AP Racing rotors is optimized to spin in a certain direction, pumping the maximum amount of air possible through the disc and the shape of these internal vanes is also optimized to promote smooth airflow. The result is significantly cooler discs that are less prone to cracking and wear.

Exclusive AP Racing J Hook Slot Pattern
Slots cut in a disc face impact heat transfer. The area around the slot or hole acts as a cool spot when the disc heats up, which is not ideal because ideally heat should be distributed uniformly around the disc. OEM discs avoid this complication by simply leaving the face blank. However, this sacrifices pad bite and the feel of the disc through the brake pedal. Other aftermarket offerings typically have straight slots, which tend to leave cool spots across the disc face between the slots. AP's J Hook design was found through extensive testing to create a constant pathway of evenly distorted material on the face of the disc. The hooks are spaced evenly, with a slight overlap to promote even heat distribution/distortion. In addition to reducing cracking, the even heating of the disc also helps provide an even transfer layer of pad material on the disc when you bed them in. The J Hook slot pattern also produces a greater number of leading edges for the pads to bite into vs. a traditional curved slot pattern, and particularly a plain-faced disc. While this may lead to slightly more whirring or scraping noises from the discs when applying the brakes, the benefits of more even heat distribution, less propensity to crack, cleaner pad material transfer during bed-in, and more bite far outweigh the slight increase in NVH for the serious enthusiast.

Complex Metallurgy Developed Through 50+ Years of Experience
AP Racing has been designing brake components for more than 50 years. Their components have been on cars that have won more than 750 Formula 1 races! On any given race weekend, AP J Hook discs can be found on 75% or more of the NASCAR Sprint Cup grid. AP has learned from these experiences, and have developed a proprietary iron alloy with extreme durability, designed specifically for harsh use.

*** Product images may differ from actual product appearance ***

REVIEWS

Hey Brian, Recieved my Borla Dual Muffler Sport today from Fedex, and installed it in about 30-45 minutes. An Outstanding product with absolutely no drone throughout the power band, it sounds powerful, not at all like one of the ricey "fart tubes" that can be found elsewhere online. It has perfect like OEM fitment. Great prices, and great products. Product was shipped promptly and arrived as ordered. Would buy again!

-- Jake

Brian, Thank you!!! We last spoke in November about some upgrades for my 2011 MX5 soft top. It has finally warmed up in NE Ohio and two relaxed weekends of wrenching on my car were well worth the effort. Installation of the RoadsterSport ceramic coated street header was straight forward and took under 8 hours, including a 40 minute test drive and cleanup of the garage! Combined with the RoadsterSport Q exhaust, the sound is fantastic and the increased torque, horsepower and performance make it a blast to drive. The addition of the Cobalt shock tower brace, Racing Beat sway bars, ILM front power train and X braces really enhanced the ride - minimal body roll, comfortable and very responsive. Your recommendations really helped transform the car from great to fantastic. Your research, product development and candid recommendations make you a standout in the industry. My only questions are - what's next on my list .... And how soon will my wife want the same upgrades on her 2012 PRHT ... Again, thank you!!! Charles G

-- Charles