The quickest way to significant increase horse power is to change the camshaft with a high performance profile. The higher the shaft lifts, the longer the valves opened for more air/fuel mixture. The Camshaft made with cast iron through CNC processing, and it had the advantages of low noise, super hard and long service life.
DASH 2 FI/ DREAM 110/ W110 DX RACING CAMSHAFT
DASH 2 FI/ EX5 DREAM 110/ W110-DX CAMSHAFT ASSY-STANDARD