These cam gears have been designed to allow the user to advance or retard the timing by 10 degrees in either direction for improved performance.

• CNC machined from 6061-T6 aluminum materials
• Adjustable by 10 degrees in either direction
• Laser etched markings for precision and ease to read
• Designed with ARP Grade 8 hex bolts for maximum strength
• Includes 4 cam gears

NOTE: These must be used with Brian Crower Camshafts when used on an STI and they will disable the AVCS system.