Insane Performance 6mm 2 Pin Billet Crank Hub Kit for BMW F80 M3 / F82 F83 M4 / F87 M2 Competition GTS CS S55 Engines

Tuning Developments now hold UK stock of the Insane Performance one-piece crank hub for BMW S55 engines that are found in the F87 M2 Competition, F80 M3 and F82 M4. The Insane Performance crank hub available through Tuning Developments in the UK is a critical reliability upgrade for BMW S55 engines, eliminating the well-known failure point of the factory multi-piece crank hub. By replacing the OEM friction-based design with a solid billet unit, this upgrade ensures the timing gear cannot slip under load—protecting the engine from catastrophic damage.

Key Features

One-Piece Billet Design

– Replaces OEM multi-piece hub prone to slipping
– Eliminates friction plate failure completely
– Prevents timing shift under load

Pinned Crankshaft Fix (2 Pin 6mm)

– Dowel pins physically lock the hub to the crank
– 2-pin 6mm option for maximum security on high-power builds
– Proven on high horsepower applications

Built for High Power & Track Use

– Designed to handle extreme torque and RPM
– Suitable for hybrid turbo and big turbo builds
– Tested on builds exceeding 700–1000+ bhp

Complete Upgrade Solution

– Supplied with installation hardware
– Direct replacement for OEM crank hub assembly
– Engineered for long-term durability

Benefits

– Eliminates S55 crank hub slip (major engine failure risk)
– Protects engine timing under high boost
– Essential upgrade for Stage 2+ and tuned builds
– Peace of mind for track and high-performance driving

Installation Notes

– Engine timing must be reset during installation
– Crankshaft drilling required for pinned versions
– Professional installation strongly recommended
– Often paired with a capture plate for maximum security

KIT INCLUDES

• One Keyed Crank Hub
• OEM Crank Bolt
• Specialty Drill Bit
• Drill Fixture Tool
• Drill Fixture Bolt

Fitment

– BMW M2 Competition (F87) S55 Engine
– BMW M3 (F80) S55 Engine
– BMW M4 (F82 / F83) S55 Engine

Tuning Developments can also offer a drive in, drive out service for this Insane Performance crank hub including installation to your M2, M3 or M4 at our Chester facility in the UK. Please see our other listings for full details or contact us directly to discuss.