What rotors come with this Endless Front Performance Brake System?

Two Endless curving slit rotors at 326mm x 30mm. They are heat treated at the factory to stabilise the components of the rotor itself, which significantly reduces the heat cracking that forms under prolonged hard driving, and they carry the Endless Blue heat-resistant coating. They are steel rather than a more exotic material, which many drivers and racing teams prefer for feel and which keeps the replacement cost of a wearing part down.

Will this Front Performance Brake System clear my wheels?

Endless gives a compatible wheel size of 17 inch for this caliper. That is a starting point rather than a guarantee, because compatible wheels vary depending on the wheel brand and size, so a 17-inch wheel from one maker can foul where another clears. Measure against your own wheel, or ask us before ordering if you are close.

Which pad compound should I choose?

The kit is supplied with a choice of SSM Plus, TYPE R, MX72 or MX72-Plus, and Endless makes all four itself. The choice is about the working temperature range you need rather than about outright grip, so pick against how the car is actually used. Tell us how you drive it when you order and we will talk it through.

Do I need to change the rear brakes as well?

This is a front kit and Endless does not list a rear requirement against this part number, so nothing at the rear is needed to fit it. Drivers who track the car often match the rear pad compound to the front, which is worth considering separately, but it is not part of this kit and not required for installation.

How do I bed the brakes in?

Endless specifies raising rotor temperature to roughly 400 to 500 degrees C while avoiding hard braking, then letting the brakes cool naturally until they are at 100 degrees C or less. Do it in fine weather. Endless notes that bedding in the rain may keep the pads from reaching their original performance.

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Description

Endless MONO6 Sports Front Performance Brake System with 326mm Rotors for GRB Subaru Impreza WRX STi

Endless’s Front Performance Brake System for the GRB Impreza WRX STi is the MONO6 Sports TA caliper paired with 326mm x 30mm Endless curving slit rotors. At 326mm this is the first sized step above the factory disc, and the easiest of these kits to package inside a 17-inch wheel. The caliper is the same either way: 2,660g, 12 percent stiffer than the design it replaced, with the fluid path carried inside the body instead of through an outer pipe that can break. What the rotor diameter changes is how much heat the front end can take before the pads start working outside their range.

Forged Monobloc Caliper

Endless forges the MONO6 Sports TA body as a single monobloc under several thousand tons of pressure and finishes it in ultra-hard anodised aluminium, in the standard Blue Alumite. Against the caliper it replaced, rigidity is up 12 percent and the stress balance through the body has been reworked, while the caliper weighs 2,660g. The outer pipe that used to carry the brake fluid across the caliper has been eliminated, which removes the failure that lets fluid escape when such a pipe breaks. The caliper surface is 3D cut, which helps it shed heat. Endless took four years from conception to the finished body and ran a further year of test racing after the first prototype, revising the specification as it went.

Curving Slit Rotors

The kit ships on Endless curving slit steel rotors. Endless heat treats them before they leave the factory to stabilise the components of the rotor itself, which significantly reduces the fine heat cracking that otherwise forms as the surface expands and contracts under prolonged hard driving, and applies its Blue heat-resistant coating over the top. Endless builds these in steel rather than a more exotic material on purpose: many drivers and racing teams prefer the feel and characteristics of the steel rotor, and keeping the cost down matters on a part that wears out.

Features

Six-piston forged monobloc caliper, 12 percent stiffer than the design it replaced, 2,660g
Brake fluid flow path carried inside the caliper, with no outer pipe to break
326mm x 30mm Endless curving slit rotors, heat treated and Blue coated
Caliper mounting brackets and brake lines included
Choice of SSM Plus, TYPE R, MX72 or MX72-Plus pad compound
3D-cut caliper surface for heat dissipation, Blue Alumite finish
Compatible wheel size 17 inch, subject to wheel brand and size

Specifications

Caliper: MONO6 Sports TA, six-piston forged monobloc
Caliper weight: 2,660g
Caliper size: 156mm x 71.3mm x 284mm
Rotor: 326mm x 30mm Endless curving slit
Corresponding rotor diameter: 320mm to 370mm
Standard colour of kit: Blue Alumite
Standard compounds for kit: SSM Plus / TYPE R / MX72 / MX72-Plus
Compatible wheel size: 17 inch

What’s Included

Endless MONO6 Sports TA calipers (2)
Brake pad set
Caliper mounting brackets (2)
Endless curving slit brake rotors (2), 326mm x 30mm
Brake lines (2)

Applications

Subaru Impreza WRX STi: GRB

Notes

Rotors are included, two Endless curving slit rotors at 326mm x 30mm
Compatible wheels vary depending on the wheel brand and size, so check a 17-inch wheel against the kit before ordering
Bed the brakes in fine weather. Endless notes that bedding in the rain may stop the pads reaching their original performance
Endless specifies bedding by raising rotor temperature to roughly 400 to 500 degrees C while avoiding hard braking, then letting the brakes cool naturally to 100 degrees C or less
This is a front kit. No rear components are included and Endless does not list a rear requirement for this part number
Carving slit rotors are fitted as standard to this product
These items are made to order from Endless in Japan. Lead time is confirmed after the order is placed

Frequently Asked Questions

What rotors come with this Endless Front Performance Brake System? Two Endless curving slit rotors at 326mm x 30mm. They are heat treated at the factory to stabilise the components of the rotor itself, which significantly reduces the heat cracking that forms under prolonged hard driving, and they carry the Endless Blue heat-resistant coating. They are steel rather than a more exotic material, which many drivers and racing teams prefer for feel and which keeps the replacement cost of a wearing part down.
Will this Front Performance Brake System clear my wheels? Endless gives a compatible wheel size of 17 inch for this caliper. That is a starting point rather than a guarantee, because compatible wheels vary depending on the wheel brand and size, so a 17-inch wheel from one maker can foul where another clears. Measure against your own wheel, or ask us before ordering if you are close.
Which pad compound should I choose? The kit is supplied with a choice of SSM Plus, TYPE R, MX72 or MX72-Plus, and Endless makes all four itself. The choice is about the working temperature range you need rather than about outright grip, so pick against how the car is actually used. Tell us how you drive it when you order and we will talk it through.
Do I need to change the rear brakes as well? This is a front kit and Endless does not list a rear requirement against this part number, so nothing at the rear is needed to fit it. Drivers who track the car often match the rear pad compound to the front, which is worth considering separately, but it is not part of this kit and not required for installation.
How do I bed the brakes in? Endless specifies raising rotor temperature to roughly 400 to 500 degrees C while avoiding hard braking, then letting the brakes cool naturally until they are at 100 degrees C or less. Do it in fine weather. Endless notes that bedding in the rain may keep the pads from reaching their original performance.

About Endless

Endless was founded in 1986, when Isao Hanazato began developing brake pads out of his own racing experience, and the company builds its friction material, rotors, calipers and brake fluid in Saku City, Nagano. It has run its own team since 1991, in the All Japan F3 Championship and the Mirage Cup, and by 2017 had supplied brake fluid to Formula 1 for fifteen consecutive years. The pad compound and the caliper coming from the same company is the point of a kit like this one: it ships with a choice of four Endless compounds rather than one generic pad.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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Endless MONO6 Sports Front Performance Brake System with 326mm Rotors for GRB Subaru Impreza WRX STi [1913080]

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Endless MONO6 Sports Front Performance Brake System with 326mm Rotors for GRB Subaru Impreza WRX STi

Forged Monobloc Caliper

Curving Slit Rotors

Features

Specifications

What’s Included

Applications

Notes

Frequently Asked Questions

About Endless

Reviews