Endless Brake Pads for XE20 Lexus IS 350
Endless’s Brake Pads for XE20 Lexus IS 350 suit the 2006 to 2013 IS 350, the second-generation IS with the 3.5-liter 2GR-FSE V6, in Endless shapes EP439 at the front and EP422 at the rear. With a V6 of that size on factory brakes, pad choice shows up quickly at a track day or on a long mountain descent. For a fast road car MX72 is the pick, and for regular track days CC-Rg, since Endless prices MX72 Plus for the rear shape only.
Features
- Endless pad shapes EP439 front and EP422 rear, listed for every IS 350 from 2006 to 2013
- SSS, SSM Plus, MX72 and CC-Rg for both axles, with MX72 Plus for the rear
- Racing compounds in two options: the Racing Group and the W003 Group
- SSM Plus Front and Rear Set at the Endless combo-set price
- Front, rear or Front and Rear Sets in every compound except MX72 Plus
Choosing a Compound
An IS 350 driven daily is best on SSS for the cleanest wheels, or SSM Plus for a softer first bite and low noise. MX72 covers spirited road driving and the occasional track day at both ends. MX72 Plus is offered for the EP422 rear only, as Endless does not price it for the EP439 front, so a car that needs more heat capacity at the front should move to CC-Rg. The Racing Group and W003 Group are for an IS 350 prepared for competition.
Every figure below is Endless’s own. Friction is the compound’s average friction coefficient, so a higher number gives more bite for the same pedal pressure. The rotor range is the band of rotor temperatures Endless designs the compound to work in, so choose by the temperatures your car will see.
Street and street-to-track compounds
- SSS (street): non-asbestos; friction 0.38-0.45; rotor range 0-480C (32-896F). Low wear, long rotor life, a strong initial response and exceptionally low dust, built for road and highway driving.
- SSM Plus (street): non-asbestos; friction 0.33-0.40; rotor range 0-550C (32-1022F). Low dust, low noise and long life. Braking builds with pedal pressure rather than a sharp first bite, for drivers who want clean wheels and a quiet car.
- MX72 (street to light track): ceramic carbon metal; friction 0.37-0.47; rotor range 50-700C (122-1292F). Minimal noise and dust, strong friction at low temperatures, reduced rotor wear and a better pedal feel than a typical semi-metallic pad. Endless’s dual-duty compound for a road car that sees the occasional track day.
- MX72 Plus (street to circuit): ceramic carbon metal; friction 0.39-0.47; rotor range 50-750C (122-1382F). Holds its braking force to higher temperatures than MX72, with stable control and a consistent pedal release. Endless aims it at cars on street tires that run on track. Offered for the rear axle only on this car.
- CC-Rg (track day, street capable): ceramic carbon metal; friction 0.38-0.45; rotor range 50-800C (122-1472F). High initial bite across a wide temperature range, even when cold, and modulation that works with the factory ABS under hard use. Endless notes it is noisy on the street; it is the step up from MX72 Plus for regular track days.
Racing compounds
Each option below is one choice in the Choose Compound menu. For a group, name your compound in the order notes and Bulletproof Automotive confirms it with your order. Every racing compound needs Endless’s bedding procedure: at 70 to 80 percent of normal pedal effort, bring the rotors gradually to 400C (752F), then let them cool below 150C (302F) before hard use.
Racing Group
- ME22: dual braking style; friction 0.33-0.38; rotor range 150-800C (302-1472F). Developed from ME20 with lower friction for control, for light to mid-weight cars or heavier cars on slower circuits. Endless rates it for street and track.
- ME20: trail-braking style; rotor range 150-800C (302-1472F). High, stable friction at high temperature with low wear, developed for touring cars and rally. Works front or rear, with stock or racing ABS.
- N35S: trail-braking style; rotor range 300-800C (572-1472F). Quick, sharp and responsive, with stable modulation under high temperature and load. Endless’s flagship rally compound, also run in FIA GT, and its suggested starting point for drivers new to Endless racing pads.
- N05U: trail-braking style; friction 0.46-0.53; rotor range 300-800C (572-1472F). More bite than N35S, popular in sprint-focused Porsche Cup cars.
- N05S: trail-braking style; friction 0.45-0.53; rotor range 300-800C (572-1472F). Immediate high friction with little pedal effort, used in Japanese rally cars without brake boosters and in European and Australian sprint racing.
- N30C: friction 0.50-0.60; rotor range 300-800C (572-1472F). High initial bite, gentle on rotors and low wear. A rally compound for cars without a brake booster.
- S55G: Endless publishes no figures. It suits lightweight and front-wheel-drive cars, and the rear of front-wheel-drive cars, with high controllability.
- PC35: Endless publishes no figures. More bite than N35S with high braking force and a stable pedal; Endless’s base pad for rally raid.
W003 Group
- W003: trail-braking style; friction 0.40-0.45. Similar in character to N35S with better wear, tough and stable at high temperature with a linear torque curve; run in rally, touring cars, ALMS and PWC. Circuit only: Endless does not recommend it for the street and notes high rotor wear when cold.
- S330: trail-braking style; friction 0.60-0.70; rotor range 300-850C (572-1562F). High friction for sprint racing, with good control at high levels and without accelerating rotor wear; run in Super GT, stock cars and GT2 and GT3 sprint racing.
Applications
- Lexus IS 350: XE20 | 2006-2013 | 3.5L 2GR-FSE
Notes
- Each Front or Rear set of Brake Pads for XE20 IS 350 cars covers both wheels on one axle
- In SSM Plus, the Front and Rear Set is an Endless combo set, priced below the two axles bought separately
- Not for the XE20 IS 250, which shares the EP422 rear shape but takes the EP440 front pad
- Not for the IS F, which has Brembo calipers and takes different Endless pads
- For the factory calipers. An IS 350 converted to an Endless big brake kit takes the pads for those calipers; see the Endless brake kits for the GSE21 IS 350.
Frequently Asked Questions
- Do the Endless Brake Pads for XE20 IS 350 fit the IS 250 too? Only at the rear. Endless lists EP422 as the rear shape for both the IS 350 and the IS 250 from 2006 to 2013, but the IS 250 takes EP440 at the front where the IS 350 takes EP439. A Rear set of the Endless Brake Pads for XE20 cars fits either, while the Front set fits only the IS 350.
- Why is MX72 Plus offered only for the rear axle? Endless prices MX72 Plus for the EP422 rear shape but not for the EP439 front, so the front choice stops at MX72 for street-to-track use. An IS 350 that runs out of heat capacity on MX72 is better on CC-Rg at the front, which Endless rates to 800C, or 1472F.
- Which compound suits an IS 350 at regular track days? CC-Rg at both ends for most owners. It holds high initial bite across a wide temperature range and its modulation works with the factory ABS under hard use, though Endless notes it is noisy on the street. A car that only reaches the circuit a few times a year can stay on MX72 and keep its road manners.
- Which pad keeps a daily driven IS 350 quiet and clean? SSS is the cleanest, with Endless rating it for exceptionally low dust, low wear and long rotor life. SSM Plus is close behind for dust and adds low noise, with braking that builds through pedal pressure rather than a sharp first bite. Both suit an IS 350 that spends its life on the road.
- Do the racing compounds suit an IS 350 that is also driven on the street? Mostly no. W003 is circuit only, with high rotor wear when cold, and every racing compound needs the Endless bedding procedure before hard use. ME22, in the Racing Group, is the exception Endless rates for street and track, but for a road car with some track days, MX72 or CC-Rg is the better fit.
About Endless
Endless is a Japanese brake manufacturer that designs everything in-house and manufactures domestically in Japan, holding surface accuracy to 1/1000mm under strict quality control. The company developed its own laminated sintered wire-mesh backing plate and ceramic carbon rotors, and it proves its parts in competition, running its own factory motorsport program and supplying winning teams across Japanese and European racing. From pads and slit rotors to forged and monobloc calipers, brake fluid, and lines, Endless builds braking systems trusted on both street and circuit.
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