Lamspeed Racing Toyota G16E-GTS GR Yaris/Corolla Race Cylinder Head Program

Lamspeed Racing Toyota G16E-GTS GR Yaris/Corolla Race Cylinder Head Program

Details:

Lamspeed Racing Toyota G16E-GTS GR Yaris/Corolla Race Cylinder Head.

Over the past 9 months we have been testing our race cylinder head on both the drag strip and the circuit at World Time Attack 2023. As with all our products, we first develop and test it in our own GR Yaris before releasing it to the public.

As of the beginning of 2025 we have refined our G16E-GTS cylinder head package starting off with a few hand ported iterations. When we found our desired port shape that net us the gains we desired on the dyno this was then put to the test in a real life race scenario. Both our World Time Attack Circuit and Drag GR Yaris both now run our CNC ported cylinder head package with the gains showed below in the images of the before and after dyno graphs along with real life results.

Proven results!
World's First 9 second and World Record 1/4 Mile - 9.8 @ 142mph
Fastest Toyota GR Yaris 2023 World Time Attack Challenge at Sydney Motorsport Park 1.34.6

2025 Updated Lamspeed Racing CNC Ported G16E-GTS Cylinder Head Results
- As shown in the images the gains before and after on the same setup. The only change was our CNC ported cylinder head. Same boost, same dyno. Before 500.4HP at all 4 wheels, After 553.3HP at all 4 wheels peak. That is a gain of slightly over 10% on the same amount of boost. Gains from 5500rpm onwards can be seen in our time attack circuit GR Yaris in the graph on a small turbocharger.
- World Time Attack 2025 Tuner Class Champions!
- World's First GR Yaris G16E-GTS into the 8s 1/4 Mile. (8.8 @164mph)
- Worlds First and only 1000+WHP G16E-GTS GR Yaris

Our race cylinder head includes the following:
- Lamspeed Racing black nitrided intake valves and sodium filled inconel exhaust valves
- Lamspeed Racing bronze valve guides
- Lamspeed Racing machined valve locks
- Kelford valve springs and titanium retainers
- OEM Toyota valve stem seals

Optional Extras can be purchased separately:
- Lamspeed Racing headstuds
- Kelford Camshafts
- OEM Toyota lifters
- OEM Toyota valve stem caps
- OEM Toyota rocker arms

Note:
If you are sending us a cylinder head core, please ensure it is in good condition and packaged well. Turnaround time is approximately 2 weeks.