Porsche 911 GT3 Brochure page 10

15
12
19
16
13
13
14
4
11
10
6
9
18
17
3
5
7
8
1
2
1. VarioCam for inlet valves
2. VarioCam for outlet valves
3. Tappets with hydraulic valve
clearance adjustment
4. Inlet valves
5. Valve springs
6. Crankshaft
7. Intake camshaft
8. Camshaft drive chain
9. Tensioner rail
10. Forged aluminium piston
11. Titanium connecting rod
12. Nikasil-coated cylinder bore
13. Resonance valve
14. Throttle valve (electronically actuated)
15. Variable intake manifold
16. Separate engine oil reservoir
(dry-sump lubrication)
17. Oil filler pipe
18. Oil scavenge pumps for cylinder heads
19. Vacuum pump