SPEC 240mm Twin Disc Dual Plate Clutch + Billet Lightweight Flywheel Kit for BMW M2 M3 M4 F87 F80 F82 F83 6MT (N55 S55) | High Torque Uprated Performance Street/Track Drag | SMF Clutch Upgrade Replacement | Stage 3+ Racing | SB55SST SB55PT SB55ST

Take control of the power and keep launches clean with this high-capacity dual-plate 240 mm clutch and billet flywheel package for BMW F87, F80, F82 and F83 6-speed cars running S55 or N55. Built for tuned street, track day and drag builds, it delivers serious torque holding with a smooth, predictable bite and a pedal feel you can daily. If you are battling clutch slip on a remapped or hybrid-turbo setup, this is the upgrade that puts torque to the tarmac.

Key advantages

• Engineered specifically for F-series M2, M3 and M4 with manual gearbox
• Large diameter two-disc friction pack for superior heat control and power handling
• Precision billet flywheel included for crisp engagement and rapid rev response
• Direct bolt-on installation with an OEM-like driving experience
• Ideal for fast road, circuit and drag use while remaining street friendly

Who is it for

Perfect for S55 and N55 builds running higher boost, ethanol blends, hybrid or single turbo conversions, aggressive maps, hard launches and sticky tyres. A proven solution for drivers wanting an uprated clutch and flywheel kit that can take abuse without sacrificing drivability.

Rated torque capacity

Measured in ft. lb:

• SS Trim: 950 ft. lb
• P Trim: 1200 ft. lb
• ST Trim: 1470 ft. lb

What is in the box

• SPEC 240 mm dual-disc clutch assembly
• Billet flywheel assembly
• Application-specific fasteners

Vehicle compatibility

Manual transmission only

• BMW M2 F87 N55 2014 to 2019
• BMW M3 F80 S55 2014 to 2020
• BMW M4 F82 and F83 S55 2014 to 2020

Part numbers

• SB55SST
• SB55PT
• SB55ST

Why our customers love it

We have supplied and fitted these kits on multiple M2, M3 and M4 builds with excellent feedback. Owners report a consistent bite point, controlled engagement in traffic and rock-solid grip under high torque. It is the clutch upgrade we trust on serious S55 and N55 cars that still need to be road usable.

Installation and support

Professional fitting recommended. MJ Modifications offers installation at our Warwickshire workshop. For a tailored quote, email info@mjmodifications.co.uk.

Compatibility check before dispatch

We will verify fitment prior to shipping. Please provide your UK registration or the last 7 digits of your VIN at checkout.

Brand

SPEC Clutches

Image is for illustration and may not show the exact configuration for your vehicle.

BMW M2 clutch replacement F87, BMW M3 uprated clutch F80, BMW M4 clutch and flywheel F82 F83, S55 performance clutch kit, N55 dual plate clutch, 6MT clutch package for BMW M, high power clutch for tuned BMW, fast road clutch kit, motorsport clutch for BMW, stage 3 clutch BMW M2 M3 M4, heavy duty clutch and lightweight flywheel, track day clutch kit, drag racing clutch, 240 mm clutch upgrade, SPEC SB55SST SB55PT SB55ST.