Applications: All K-Series engines with Auto Tensioner New Design Easy to find replacement pulley Note: * Does NOT fit K24Z3 * Race Proven for over 1000 WHP The K-Tuned Adjustable EP3 Pulley kit is the newest addition to our ever growing parts line-up.  This simple and very useful par

Fits on EJ Series Engines Decreases rotational mass more than 3.5lbs over OEM (You will see much faster revs as a result) Factory Fit for clean install Optimum weight to avoid misfire CELs or hesitation 2008+ OEM Subaru Stretch Belt Install Kit Option (No other company offers this Optional ...

Chassis ZN8 / ZD8 Product configuration Water pump pulley  Tensioner pulley  Idler pulley NO.1  Idler pulley NO.2

Your factory crank pulley is responsible for transferring energy from your crankshaft to your water pump, a/c compressor and alternator. It does this by way of a rubber belt and it does it's job well. The drawback to the factory pulley is that it's quite heavy. Reasons for this include less expensi