Flywheel Bolt Kit - BMW 2.3L S14 Dual Mass

The ARP Flywheel Bolt Kit for BMW 2.3L S14 Dual Mass is a purpose-built fastening solution engineered for high-performance engine builds and flywheel replacement work on BMW 4-cylinder applications. Designed for technicians and engine builders who demand reliability under rotating assembly stress, this eight-piece chromoly bolt set replaces OEM fasteners with superior material specifications and precision engineering. Whether you're rebuilding after high-mileage service or upgrading to performance components, proper flywheel bolting is critical to maintaining crank integrity and preventing catastrophic failure.

Each bolt in this kit features 12mm x 1.50 thread pitch with a 1.100-inch length and distinctive 12-point head geometry for secure seating and torque verification. Manufactured from chromoly steel and finished in black oxide, these fasteners resist corrosion while providing superior tensile strength compared to standard hardware-store alternatives. The black oxide coating protects against surface oxidation during engine operation while the chromoly composition handles the dynamic rotational loads and thermal cycling inherent to dual-mass flywheel applications. The 12-point head design allows precise torque application and visual confirmation that fasteners haven't rotated under load—a critical safety consideration in high-RPM or turbocharged builds.

This kit is essential for BMW S14 engine owners, transmission shops, and performance garages servicing 2.3L four-cylinder applications where OEM flywheel fasteners have reached service life or require upgrade. The set of eight bolts covers a complete flywheel installation, ensuring all mounting points receive matched, specification-grade fasteners rather than a mixed selection. Proper installation requires clean threads, appropriate torque sequencing, and thread-locking compound per manufacturer specifications to prevent loosening from vibration. ARP fastener kits are trusted across professional racing, street performance, and restoration segments where fastener integrity directly impacts engine longevity and safety.