RTS Uprated Clutch Kit & Lightweight SMF Flywheel for Ford Focus ST170 (Mk1) - Performance/HD - Organic, Hybrid Twin Friction & 5

Uprated clutch and light flywheel package for Ford Focus ST170

Transform your ST170 with an RTS uprated clutch and single mass flywheel conversion. This lightweight, precision-balanced flywheel and high-grip clutch bundle delivers sharper throttle response, quicker revs and dependable power transfer, ideal for daily driving, spirited road use and track days. Say goodbye to the weak factory dual mass setup and enjoy a more direct, confidence-inspiring drive.

Why enthusiasts choose this kit

• Lighter rotational mass for faster pick-up and improved acceleration
• Increased clamping force for reliable torque handling on tuned and standard cars
• Advanced friction technology that resists heat soak and maintains consistent bite
• Low-wear lining offering up to 50 percent less material loss than conventional discs
• Cooler-running cover and disc design for durability under hard use
• Comfortable, near-stock pedal effort across all options

Choose your level

• RTSHD-0170 - Organic: approx 180 lb-ft holding capability. Perfect for a refined road car or mild bolt-on upgrades. Smooth engagement with OEM-like drivability.
• RTSTF-0170 - Dual-surface hybrid disc: approx 232 lb-ft holding capability. Great for fast road and occasional track days, with a crisp, positive bite.
• RTSPC-0170 - Five-puck cerametallic: approx 340 lb-ft holding capability. Suited to hard-driven cars and circuit use where maximum bite and heat resistance are required.

What you get

• RTS clutch cover with increased clamping force
• Matching RTS friction disc specified by your chosen part number
• Lightened, single mass flywheel, balanced for smooth operation

Fitment

Compatible with manual transmission Ford Focus ST170.

Tested by us

We have fitted and used these RTS kits on our own cars and customer builds. Feedback is consistently excellent: strong bite, predictable engagement and impressive heat resilience, even on fast-road and track-driven ST170s.

Professional installation

Want it fitted properly the first time? Book installation with MJ Modifications in Warwickshire. Email info@mjmodifications.co.uk for a fitting quote and availability.

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