Pro Camshaft Kit (w/ Titanium Retainers) When you step up to a Stage 2 or higher cam, the stock Toyota valve train is not designed to handle these high lift, high duration cams. The rocker arms will start to interfere with the retainers; the retainers...

Pro Camshaft Kit (w/ Chromoly Retainers) When you step up to a Stage 2 or higher cam, the stock Toyota valve train is not designed to handle these high lift, high duration cams. The rocker arms will start to interfere with the retainers; the retainers...