HEAD,CYLINDER
SUPPORT,EXH RCN VALVE
COVER,VALVE
VALVE,THROTTLE
VALVE,AIR CONTROL
VENTURI,EXH GAS RCN
SUPPORT,EXH COL CNN
SCREW,FRACTURE RESISTANT
LEVER,ROCKER
SEAL,ROCKER LEVER
SEAL,VALVE STEM
COVER,CYLINDER HEAD
RETAINER,VALVE SPRING