Project Kics WCB383S 12x1.25 38mm Compression Bolt Set Silver (20 Pieces)

The Project Kics WCB383S Compression Bolt Set is an innovative wheel accessory designed to enhance the appearance and functionality of open-ended racing lug nuts. This premium 20-piece set features 38mm aluminum compression bolts in a silver anodized finish, engineered specifically for use with Project Kics R40 and other compatible through-type (long) racing lug nuts.

Key Features:

• M12x1.25 thread pitch for precise fitment
• 38mm length creates an extended, super-long hub bolt appearance
• Built-in steel ball and spring mechanism provides compression action
• Aluminum construction for lightweight performance
• Silver anodized finish for corrosion resistance and style
• Includes 6mm hex L-type wrench for installation
• Enhances locking effectiveness through spring tension

Installation Notes:

• Designed exclusively for open-ended through nuts (long type)
• Requires minimum 8mm of exposed stud thread for proper installation
• Maximum tightening torque: 4 Nm (0.4 kgf-m)
• Must be installed after lug nuts are mounted to vehicle (retrofitting)
• Regular retightening recommended for optimal performance

Manufactured by KYO-EI Corporation in Japan, Project Kics products are trusted by professional racing teams and automotive enthusiasts worldwide. This compression bolt set combines form and function, creating a distinctive motorsport-inspired look while adding an extra layer of locking security to your wheel installation.