Brian Cower was created to meet the demand for high-quality engine components at an affordable price.The stroker sets are suitable for all popular Sport Compact applications and matching camshafts and valve timing.Complete packages designed to work together to provide greater power and torque, as well as greater reliability.The adjustable timing pulleys are designed for the following car models:-Subaru EJ205 -Subaru EJ257They are made of aluminium T6.2.7100The set includes two pulleys for the exhaust side.