Brian Cower was created to meet the demand for high engine quality at an affordable price. The stroker kits fit all popular Sport Compact applications as well as the matching camshafts and valve camshafts. Complete collaboration packages for more power and torque, as well as greater reliability. Adjustable unfolded pulley are designed for car models:-Mitsubishi Evo VIII 4G63 They are made of aluminumT6. Weight 1.0000 The kit includes an exhaust pulley.