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AP Competition Brake System (FD3S RX-7)

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  • Anti-knock back clip (anti-rattle spring)
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SakeBomb Garage
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 Product Description

This brake package developed by SakeBomb Garage as a complete out-of-the-box competition racing package, with no cost spared on components.

Our goal for this braking system was to shatter the performance limitations offered by most of the current braking solutions on the market. We chose to engineer our brake setup around AP racing components based on their continued success in top tier motorsports, such as the American Le Mans series, Grand-Am, NASCAR Sprint Cup, NASCAR Nationwide Series, and Formula 1.

The upfront cost of a brake package is not the only factor when deciding on a upgraded brake solution. The cost of replacement parts such as pads and rotor rings must also be factored into the equation. Fortunately the caliper we utilized has a very common pad shape, which translates into a potential $100+ savings as compared to average pad replacement costs. The AP CP8350 caliper also accepts 20mm pads which are significantly thicker than most setups, further adding to the reduced pad replacement cost and frequency. Combine the reduced pad costs with the long service life of the AP J-Hook rotors, and over the course of a few seasons, and this setup can potentially pay for itself in savings alone! Cheaper maintenance costs, better performance, race quality components...  Our package is a no brainer.

Our Brake Package Includes:

  • Two AP CP8350 Forged Aluminum Calipers
  • Two AP 325x32mm J-Hook Rotors
  • Custom hard anodized bells (hats) in 2024 T351 aluminum, with mounting bobbins (Anti-Knockback clips optional)
  • Custom hard anodized caliper mounting bracket in 6061 aluminum, with hardware
  • DOT approved stainless steel brake lines, with abrasion/dirt resistant sleeve
  • Installation instructions
  • Brake pads are NOT included*

*Brake pads for this caliper are readily available from nearly every pad manufacturer. As pad choice varies greatly depending on personal preference, application, and desired cost, we decided not to include pads to reduce the total cost as one pad obviously does not fit all. To see a list of commonly used pads please visit the following Link. We are able to source many other pads such as Performance Friction and Endless. We will be stocking various Endless pad compounds in the near future.

We have made custom hard anodized aluminum rotor hats, caliper brackets and brake lines creating a complete bolt on kit. The caliper we include with the kit is a true motorsports grade caliper (originally a rally caliper). We designed this kit to be used for primarily race use IE: Competitive racing, track days, time attack, hill climbs, etc. But through the use of Anti-Knockback clips (anti-rattle springs) on the discs we are able to offer a street friendly competition level brkae package that will take any abuse you can throw at it. 

The AP calipers used in our system allows 20mm thick pads, which not only add additional thermal barrier between the rotor and caliper, but they will also last longer then a standard competition brake pad. Many other calipers use pads that are 12-17mm’s thick resulting in reduced thermal insulation (potentially more brake fluid boiling), and significantly increased pad replacement intervals. Caliper tech specs and piston sizing can be found in the link below.

AP CP8350 Calipers Specs & Benefits:

  • Stainless steel pistons
  • Anti-knockback springs
  • Forged aluminum caliper construction weighs (AP’s street caliper line uses cast aluminum calipers)
  • Light weight (about 4 lbs)
  • Integrated bleed screw and crossover tube protection
  • Durable hard anodized finish
  • Common pad shape (readily available pads from various manufactures)
  • Calipers can be professionally serviced by Essex Parts Services (Exclusive Importer of AP Racing Motorsports products).
  • A complete spec sheet and more information on the AP CP8350 calipers can be found here.

The AP 325mm J-hook rotor rings that are supplied with this kit directly come from AP’s motorsports line of iron brake discs. The J-Hook slot pattern is AP’s latest, most aggressive slot pattern available. These discs are similar to the discs being purchased by the top teams in various motorsports categories around the world.
AP Racing's Heavy Duty J Hook Racing Discs are specifically designed to handle race abuse. They provide increased cooling, less judder, fewer cracks, and an increased service life vs. competing discs. When you run an AP disc, you can be confident that you're using the best parts available at any price point.

“Most aftermarket discs have 30 to 48 vanes. Many times those vanes are straight, or non-directional, with a sub-optimal amount of space between disc faces. After extensive CFD and thermal stress analysis, AP designed the Heavy Duty J-Hook with 70 vanes and a wide 16.5mm air gap to increase airspeed and heat transfer, while reducing deflection and remaining reasonably lightweight.”

“The increased directional vane count on the J Hook Heavy Duty Disc amplifies air speed through the disc, reduces air recirculation between vents, and also increases convective heat transfer and heat distribution. In other words, both air and heat move more quickly and evenly through the disc, creating increased stability under the extreme loads of racetrack use. The disc is less prone to coning, distortion, and cracking, while providing cooler running temperatures, less brake fade, reduced judder, and a longer service life.”

AP3908 J-Hook Rotor Specs & Benefits:

  • Industry/competition race standard rotors
  • 70 directional vanes heavy duty design, 16.5mm air gap
  • True floating rotor design to allow axial float and radial heat expansion of the disc
  • Floating rotor also reduces stress and fatigue on the brake hats
  • Components in this kit are from AP’s competition product line (these are NOT “street” components)
  • 50 years of brake engineering experience are in these rotors and calipers
  • AP J Hook discs can be found on 75% or more of the NASCAR Sprint Cup grid, and AP components are supplied to most top teams in Grand-Am, ALMS, BTCC, WTCC, and Super GT.
  • AP’s proprietary gray iron alloy with extreme temperature and wear durability
  • AP’s exclusive J Hook design to promote even heat distribution and reducing cracking, as well as increased leading edge surface area for increased initial “bite” compared to standard slotted rotors.
  • Longer service life means less time and money spent swapping rotor rings.

Hands down, these rotors are one of the best competition rotors money can buy. 

As most of you know we are also working on a rear brake solution. When the rear brake kit is complete we will offer a special rate to anyone who participates in this sale.

NOTE: 17" aftermarket rims are required. This brake kit will not work the the stock 16" rims (or any other rim smaller than 17".

*While we have tested this front brake setup to work well with the stock rear brakes, additional braking performance can be achieved with the use of upgraded rotors such as 99 spec, and Racing Brake brand rears. We are currently developing our own rear brake solution which we feel will completely maximize the braking potential of the FD, as well as pair extraordinarily well with our AP Competition Brake package however we are still a few months out on release of our setup. While we recommend our rear brake setup to optimize total braking performance, current users of Racing Brake or 99 spec rears may continue to use these rear setups to their advantage. Stock rear calipers do perform well with this kit, however depending on your tire compound and width, may benefit from increased μ (coefficient of friction) rear pads.

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