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Ksport

Supercomp Big Brake Kit

$4,065.60 $3,511.20 Save $554.40

SKU: BKIN021-951SO

Special Order
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Ksport Supercomp Big Brake Kit is an extreme brake upgrade designed for the Infiniti G37X. It provides the highest level of stopping power without requiring vehicle modifications. This bolt-on kit features larger calipers, rotors, and brake pads than the Procomp kit, along with increased pistons and standard full-floating rotors for better self-centering. The calipers are constructed from a one-piece billet of aircraft-grade aluminum for strength and corrosion resistance, and they include aluminum pistons for heat resistance.
Show original supplier description
The Ksport Supercomp Big Brake Kit represents Ksport's most extreme brake upgrade, engineered to deliver unparalleled stopping power for your Infiniti G37X. This sophisticated, direct bolt-on system requires no vehicle modifications for installation, making it a straightforward enhancement for performance enthusiasts. It builds upon the benefits of Ksport's Procomp kit by incorporating larger calipers, rotors, and brake pads, an increased number of pistons, and standard full-floating rotors that promote better self-centering within the caliper for reduced drag and improved braking efficiency. Constructed from a one-piece billet of aircraft-grade aluminum, the calipers offer exceptional lightweight strength and superior resistance to corrosion. They are equipped with aluminum pistons, which provide better heat dissipation and ensure uncompromised operation even under demanding conditions. The kit features a floating two-piece rotor design, allowing the outer section to shift slightly for better self-centering, leading to lower brake drag and more consistent pad application. Included with the kit are SC5 Street Pads, formulated with NAOC Ceramic to provide optimal braking performance for street use and occasional track days. These pads significantly reduce brake dust (by 50% or more compared to race pads), minimize noise, and decrease rotor wear, with an optimal operating temperature range of 194°F - 1022°F. Furthermore, the kit comes standard with D.O.T. compliant stainless-steel braided brake lines. These lines are crucial for preventing hose expansion under pressure, resulting in quicker pedal response and a firmer pedal feel compared to stock rubber lines. Customers can choose between slotted or cross-drilled rotors. Cross-drilled rotors offer superior cooling and are recommended for daily-driven vehicles, while slotted rotors are better suited for track use. The calipers are available in standard painted colors like Orange, Red, Black, and Yellow, with options for premium high-polish finishes and over 20,000 custom color choices. Please note that Ksport Big Brake kits are built to order, and production and delivery typically take 4-6 weeks. This kit is specifically designed for the 2008-2013 Infiniti G37 models.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandKsport
Part NumberBKIN021-951SO
CategoryBrakes

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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