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RTS Single Mass (SMF) Clutch Kit with One-Piece Flywheel for Ford Focus Mk2 ST225/RS/RS500 2.5T - Solid Flywheel DMF Delete - Twin Friction or 5-Paddle - Uprated Heavy Duty Stage 2/3 Fast Road Track - 500-550 lb-ft - RTSTF-6500SMF / RTSPC-6500SMF

RTS Single Mass (SMF) Clutch Kit with One-Piece Flywheel for Ford Focus Mk2 ST225/RS/RS500 2.5T - Solid Flywheel DMF Delete - Twin Friction or 5-Paddle - Uprated Heavy Duty Stage 2/3 Fast Road Track - 500-550 lb-ft - RTSTF-6500SMF / RTSPC-6500SMF

Regular price £995.00
Regular price Sale price £995.00
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Clutch Design

RTS SMF Clutch and One‑Piece Flywheel Package for Ford Focus Mk2 2.5T ST and RS

Looking for a heavy duty clutch and solid flywheel conversion for your Ford Focus Mk2 2.5 turbo five‑cylinder? This RTS single mass setup delivers the driveability you want on the street with the bite you need for tuned power. Ideal for fast road and track‑day use, it copes with serious torque while keeping a near‑OE pedal feel and smooth engagement. Choose Twin Friction for hybrid daily performance or 5‑paddle for more aggressive builds.

Why this driveline upgrade works

  • Replaces the factory dual mass flywheel with a robust single piece flywheel for a more direct connection between engine and gearbox
  • Higher clamp load transmits substantially more torque than stock while retaining a friendly pedal
  • Twin Friction disc combines organic and paddle faces for strong bite and excellent street manners
  • Aramid friction on the flywheel side helps reduce wear and improves heat stability during repeated hard pulls
  • Retracting strap plate cover for consistent engagement and clean release
  • Excellent heat dissipation and fade resistance for confidence under spirited driving
  • OE‑like pedal effort with minimal judder when installed correctly

Choose your specification and part number

  • RTSTF-6500SMF — Twin Friction
    Rated to 500 lb/ft. Perfect for remapped Focus Mk2 2.5T builds seeking fast road usability with strong holding power.
  • RTSPC-6500SMF — 5‑Paddle
    Rated to 550 lb/ft. A more assertive paddle option for higher output cars while keeping an OE‑style pedal.

Single mass conversion benefits on the 2.5T platform

By deleting the dual mass unit and running the damping springs in the drive plate, this conversion preserves everyday refinement yet gives a more responsive, connected feel. The result is sharper throttle response, improved heat management and reliable torque transfer that stands up to repeated acceleration runs and hard shifts.

Technical highlights

  • Aramid friction material can show up to 50 percent less wear than conventional alternatives
  • Segmented pressure plate face to balance bite and thermal control
  • Improved fade resistance so holding power stays consistent as temperatures rise
  • Micro‑structure spheroidal casting and ER2 technology help the assembly run cooler for longer
  • Increased clamp load for significantly higher torque capacity compared with the original equipment unit

Vehicle compatibility

  • Ford Focus Mk2 ST225 2.5T
  • Ford Focus Mk2 RS 2.5
  • Ford Focus Mk2 RS500

Tried, tested and loved by our customers

We have supplied and fitted these RTS SMF clutch systems on numerous Focus Mk2 ST and RS builds. Feedback has been consistently excellent, with owners praising the smooth pedal feel, confident bite and reliable holding power on tuned cars used for daily driving, B‑road blasts and track days alike.

Professional fitting and support

Want it fitted properly first time? Book installation with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk. We are happy to advise on the best specification for your power goals and usage.

Search‑friendly terms to help you find the right kit

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