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.

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