CAM SHAFT PULLEY BRAND: AEM COLOR: BLACK FITMENT: HONDA CIVIC B16 DESCRIPTION: - 100% Brand New, Never been used before! - High quality grade 10.9 heavy steel bolts used for long life expectancy - Decrease shift time and length. - Direct stock replacement. - Adjust camshaft timing +/- 10 degrees - Full Aluminum T7 - The angle that the stock cams are clocked to when installed at the stock location on factory cam gears not always the most effective for making power with aftermarket cams. - Aftermarket cams with more aggressive lift and duration often need to be dialed in at a specific angle to optimize the powerband for your setup. - Adjustable Cam Gears are important when installing cams as they allow you to dial in the cam degree for optimum performance.