The nested roller follower type rocker arms transmit cam motion directly to the valves.

| 1. Roller Follower | 3. Exhaust Valve Rocker Arm |
| 2. Intake Valve Rocker Arm | 4. Camshaft |
| | 5. Spacer |
The nested roller follower type rocker arms transmit cam motion directly to the valves.

| 1. Roller Follower | 3. Exhaust Valve Rocker Arm |
| 2. Intake Valve Rocker Arm | 4. Camshaft |
| | 5. Spacer |