JMTC MINI Cooper S Solid Flywheel Conversion Clutch Kit

Upgrade your Mini's clutch system with JMTC's MINI Cooper S Solid Flywheel Conversion Clutch Kit. This kit offers a direct replacement for the OEM dual mass flywheel and clutch set, providing enhanced durability and performance.

Key Benefits:

• Direct replacement for OEM dual mass flywheel and clutch set
• Solid single mass flywheel ensures durability and reliability
• Interchangeable with OEM clutch sets and components
• Steel surface can be refinished for extended use
• Thicker friction surface area for better heat absorption and distribution
• Resistant to catastrophic failure
• Made with Clutchtex Kevlar and Miba Ceramics for extended life
• Includes clutch disc, centering tool, pressure plate, release bearing, and bolts
• No break-in period for ceramic clutch, while Kevlar clutch may take up to 1000 miles
• Installation kit and new master clutch cylinder recommended for optimal performance and longevity

Upgrade your Mini's clutch system today with JMTC's reliable and performance-driven clutch kit.

This clutch package is designed for high HP vehicles desiring a start performance similar to O.E. The pressure plate is Race Engineered (SS) and SFI approved with significant load increase over stage 1,2 pressure plates (+600-800 lbs.). Expect a pedal effort increase of 20%-25%. Discs are assembled with heat-treated wear resistant hubs; drive plates and springs for high load transfer and dependable operation. The sprung centers on the disc in conjunction with the marcel fin between the linings create a dual dampening effect that simulates O.E. start performance. A Performance Organic friction material with a high metal content increases torque and RPM capability and maintains low operating temperatures which reduces wear and glazing.

Stage 3 Daily Clutch Kits:

Recommended usages are daily, spirited street and occasional track

Conservatively rated to hold 400lbs/ft of torque

Featuring a sprung-hub center section for use with a single-mass flywheel

This clutch kit is equipped with a heavy-duty pressure plate optimized for a puck-style disc without cushioning between the linings to ensure short and responsive clutch pedal travel. The puck-style disc reduces rotational mass and drive surface area while increasing the pressure per square inch on the friction material. This setup minimizes inertia, enhancing torque transfer from the engine to the wheels. The friction material, a graphite-impregnated ceramic, is specifically chosen for race applications due to its superior performance in durability, reduced chatter, efficient heat transfer, and high torque capacity.

Stage 2 Drag/Drift Clutch Kits:

Recommended uses are drag racing, drifting and limited street

Conservatively rated to hold 370lbs/ft of torque.

Featuring a sprung-hub center section for use with a single-mass flywheel

The factory dual-mass flywheel in MINI N14 and N18 engines is engineered for comfort, minimizing drivetrain vibrations and smoothing out gear transitions. However, that comfort comes at a price—28.3 lbs. of rotational mass that dulls throttle response, slows acceleration, and hampers precise rev-matching. Dual-mass flywheels are also notoriously prone to failure under high-performance or tuned driving conditions, and their replacement costs can be steep.

The ECS Performance Lightweight Flywheel Kit eliminates these compromises with a precision-engineered, single-mass flywheel that delivers true enthusiast-grade performance. Weighing in at just 18.8 lbs, this flywheel sheds nearly 10 lbs. of rotating mass compared to OEM—instantly sharpening throttle response, improving clutch feel, and delivering quicker acceleration that transforms the driving dynamics of your MINI.

Performance-Oriented Design: This flywheel is specifically engineered to work with OE and aftermarket unsprung clutch discs. While dual-mass setups provide damping on stock vehicles, switching to a single-mass flywheel with an unsprung disc introduces more direct engagement—ideal for spirited daily driving or track-ready builds. Expect a more aggressive, performance-focused clutch feel.

Key Features:

Lightweight Construction: Sheds nearly 10 lbs. of rotating mass for faster revs and improved acceleration

4140 Chromoly Steel: Heat-treated to HRC 28–32 for outstanding strength, wear resistance, and dimensional stability

Precision-Balanced: Exceeds OEM G16 specification (175 g-mm) for smooth, high-RPM operation

Black Oxide Coating: Offers corrosion resistance and a professional finish

OE-Compatible Fitment: Designed to work seamlessly with N14 architecture clutch kits

SFI 1.1 Certified: Proven safe and reliable under extreme operating conditions

Optimized Step Height: Ensures maximum clutch clamping force and long-term durability

Performance Gains:

OEM Dual-Mass Flywheel Weight: 28.3 lbs

ECS Single-Mass Flywheel Weight: 18.8 lbs

Weight Savings: Nearly 10 lbs of reduced rotational mass

Results: Sharper throttle response, more precise rev-matching, and a more engaging driving experience

Kit Includes:

ECS N14/N18 Lightweight Performance Flywheel

South Bend Stage Two “Daily” Clutch Kit

Pilot Bearing

Throw-Out Bearing

Clutch Alignment Tool

(6) Genuine MINI Flywheel Bolts

The factory dual-mass flywheel in W11-powered MINI Coopers was designed with comfort in mind—minimizing drivetrain vibration and delivering smoother shifts. However, this focus on refinement comes at a performance cost. The hefty 27 lbs. of rotational mass dulls throttle response, slows acceleration, and makes rev-matching more difficult. Dual-mass flywheels are also known to be less reliable in tuned or modified setups and can be expensive to replace when they fail.

ECS Tuning developed their Lightweight Single-Mass Flywheel to address these issues with a performance-focused alternative. Weighing in at just 17 lbs., this flywheel sheds nearly 10 lbs. of rotating mass compared to the OEM unit—transforming throttle response, acceleration, and clutch feel for a more engaging and dynamic driving experience.

**This flywheel is to match with a factory type or aftermarket NON Dampened clutch kit!** MINIs factory set up engagement is dampened by the dual mass flywheel. This will be a little more aggressive engagement of the clutch over the stock factory set up as they system in not dampened!! Can be used from daily to the track days.

Key Features:

Manufactured from 4140 Chromoly Steel Heat-treated and tempered for exceptional strength, wear resistance, and thermal stability. Optimized Hardness (HRC 28–32) Ensures consistent performance and durability under extreme conditions. Precision-Balanced to G16 Standard (175 g-mm) Exceeds OEM balance requirements for smooth, high-RPM operation. Black Oxide Finish Provides effective corrosion resistance and a sleek appearance. SFI 1.1 Certified Validated for safe use in high-performance and racing environments. Direct Fit Engineered to work seamlessly with OE-style clutch kits designed for the W11 engine architecture. Kit Contents:

ECS W11 Lightweight Flywheel OEM LUK Clutch Kit OEM LUK Clutch Alignment Tool OEM LUK Release Bearing Genuine MINI Guide Tube Genuine MINI Flywheel Bolts (M10x48) Upgraded ARP Pressure Plate Screws (M9x15)