Now it';s easy to adjust valve timing on your Acura/Honda Si B-series VTEC DOHC engine!
Adjust valve timing by 1° or 2° increments and then lock it in place...without slippage
6061-T6 aluminum with anodized color finish
Exclusive Time 'N Lock design allows the quickest, most precise adjustments-even at the track! Manufactured to match OE profile. Set includes one intake and one exhaust cam gear plus hardware. Limited one-year warranty.