EBC S4KF1709 Stage 4 Redstuff Pads USR Front Kit Acura RSX Type-S Honda Civic Si

Vehicle Fitment

• 2002-2006 Acura RSX Type-S (DC5, 2.0L K20A2/K20Z1 i-VTEC, FWD, 6-Speed Manual)
• 2006-2011 Honda Civic Si (FA5 Sedan / FG2 Coupe, 2.0L K20Z3 i-VTEC, FWD)
• 2008 Honda Civic MUGEN Si (FA5/FG2, 2.0L K20Z3, FWD)
• 2012-2015 Honda Civic Si (FB6 Sedan / FG4 Coupe, 2.4L K24Z7 i-VTEC, FWD)
• 2007-2010 Acura CSX Type-S (Canada market, 2.0L K20Z3, FWD)

Fitment Notes

• Fits front axle only. EBC strongly recommends fitting a matching performance upgrade to the rear axle simultaneously - do not upgrade the front pads without also upgrading the rear to maintain proper brake bias.
• Does NOT fit Acura RSX Base (non-Type-S) - the base RSX uses smaller 282mm front rotors and a different pad specification (FMSI D914 vs D829).
• Does NOT fit standard (non-Si) Honda Civic models from 2006-2015 - those trims use smaller 282mm front rotors and are not compatible with the 300mm Type-S/Si spec rotors in this kit.
• The 2012-2015 Civic Si uses a 2.4L K24Z7 engine (vs. the 2.0L K20Z3 in the 2006-2011 Si) but shares the same front brake architecture and caliper specification - both generations are covered.
• Thermic Black coating on rotors does NOT need to be removed before installation; it self-clears during the first 10-20 stops. Do NOT use brake cleaner to remove it - this voids the EBC warranty.

Features

• EBC Redstuff 3000 Series ceramic compound is engineered from synthetic Kevlar aramid fiber enhanced with ceramic particles, delivering confident cold-bite braking performance from the very first stop - especially important for high-revving K-series engines where hard, late braking is routine.
• Approximately 60-90% less brake dust than OEM semi-metallic pads, keeping the RSX's, CSX's, and Civic Si's alloy wheels visibly cleaner between washes - a key benefit on open-spoke sport wheels.
• Full ceramic, zero steel-fiber formula means any dust produced is fine and non-adhesive to painted wheel surfaces, wiping clean with water.
• Pads are fully shimmed, chamfered, and slotted to eliminate noise, vibration, and harshness under all conditions, including cold starts and track use.
• Patented EBC Brake-In coating pre-applied to pad surface accelerates bed-in, shortening the initial seating period after installation.
• USR Series rotors feature fine, progressively angled slots that continuously evacuate heat, brake dust, and friction gases from the pad contact face, maintaining consistent grip while operating nearly silently - no wind noise typical of wider-slot or drilled designs.
• USR slot geometry promotes flat and parallel pad wear across the full pad face, preventing the ridges and scoring that develop on unslotted rotors over time and under repeated hard stops.
• All EBC rotors are 100% run-out tested to ≤0.1mm TIR before shipment, ensuring smooth, vibration-free braking from installation.
• Geomet/Thermic Black anti-rust coating on rotors provides long-lasting corrosion protection and a clean, dark appearance well-suited to the sport compact aesthetic of the RSX Type-S and Civic Si.

Specifications

• Position: Front
• Kit Type: Stage 4 Signature - Redstuff Ceramic Pads + USR Series Fine-Slotted Rotors
• Pad Part No.: DP31254C
• Pad Compound: Redstuff 3000 Series Ceramic
• FMSI Pad No.: D829
• Rotor Part No.: USR1473
• Rotor Style: USR Series - Fine-Slotted, Vented
• Rotor Diameter: 300mm (11.8 in)
• Rotor Thickness (new): 25mm
• Rotor Height: 47mm
• Bolt Pattern: 5-lug (PCD 114.3mm)
• Center Hole Diameter: 64.2mm
• Drivetrain: FWD
• Rotor Finish: Geomet/Thermic Black Anti-Rust Coating
• Run-Out Tolerance: ≤0.1mm TIR
• Warranty: 12 months / 10,000 miles (street use); void for race/track/competition use

Included Components

• 2x EBC USR Series Fine-Slotted Front Brake Rotors (one per side, USR1473)
• 1x Set EBC Redstuff 3000 Series Front Brake Pads (DP31254C - covers both front calipers)
• 1x EBC Caliper Lubricant / Brake Grease

Product Description

The EBC S4KF1709 is a front brake upgrade kit purpose-built for the performance variants of Honda and Acura's iconic K-series sport compact platform - specifically the Acura RSX Type-S (2002-2006), the Honda Civic Si across both 8th and 9th generations (2006-2015), and the Canadian-market Acura CSX Type-S (2007-2010). These cars share the same front brake architecture centered around a 300mm ventilated rotor and D829-spec brake pad, and they share a driving character: enthusiast-owned, frequently spirited on back roads and occasionally at track days, yet also used as daily drivers where low dust and clean wheels genuinely matter. The Stage 4 Redstuff + USR combination hits exactly that target.

The Redstuff 3000 Series ceramic compound uses Kevlar fiber reinforced with ceramic particles, activating fully from cold - critical for a car that goes from cold start to VTEC in the first mile. Unlike the Yellowstuff compound (which is more aggressive and better suited to full track use), Redstuff is tuned for the street enthusiast who wants 60-90% less dust, strong cold bite, low noise, and long pad life over the 30,000-50,000 mile range that many daily-driven sport compacts accumulate. The USR1473 rotors complement this profile with fine progressive slots that keep the pad face clean and cool without generating the audible wind drone of wide-slot designs - a refinement that matters on a daily driver.

Installation is a direct OEM-dimension replacement requiring no modifications. Both the 2.0L K20Z3 (2006-2011 Civic Si / CSX Type-S) and the 2.4L K24Z7 (2012-2015 Civic Si) share the same front brake hardware, so this kit serves the entire Civic Si run without ambiguity. The Thermic Black rotor coating self-clears in the pad sweep area within the first 10-20 stops, and EBC recommends performing a thorough 500-1,000 mile street bed-in for Redstuff to reach its full ceramic performance potential. Pair this front kit with a matching EBC rear upgrade to maintain balanced braking across all four corners - particularly important on the FWD platform where front brake bias is already significant.