Description • BHP & torque gains across entire RPM range . Adjustable in 1 degree increments to a maximum of +/- 10º . Timing marks accurate to within 1 minute of a degree (60 minutes in a degree) . Easy to read marks, CNC engraved not painted or etched . 5-bolt pattern for a lifetime of worry-free adjustment . Tooth profile identical to OEM spec and hard anodized . CAD designed & CNC’d from 6061 Aluminum Billet . Grade-8, six-point hex bolts stand up to repeated adjustments and feature integral washer flange for greater load distribution.