Sport Camshaft W Left – Porsche 911S 2.4 190 HP (28270-L)

Improve the performance of your classic Porsche 911S 2.4 with a W-type sport camshaft designed for the left side of the engine. This camshaft is intended for performance-oriented classic Porsche builds where precise valve timing, improved cylinder filling, and a distinctly sporty engine character are essential.

Thanks to optimized intake and exhaust timing, the camshaft supports improved gas exchange and more efficient engine breathing across the RPM range. It is an excellent choice for enthusiasts restoring or tuning classic Porsche 911S engines while maintaining compatibility with the original mechanical setup.

Technical Data:
Make and model: Porsche 911S 2.4 190 HP
Camshaft type: W – left
SKU / Catalog number of this camshaft: 28270-L

All camshaft SKUs:
Left: 28270 / Right: 28280

Cam lift: Intake: 8.80 mm / Exhaust: 7.95 mm
Total duration: Intake: 326° / Exhaust: 289°
Duration at 0.1 mm: Intake: 362° / Exhaust: 316°
Duration at 1.0 mm: Intake: 281° / Exhaust: 252°
Duration at 2.0 mm: Intake: 259° / Exhaust: 235°
Valve clearance: stock

Application:
Porsche 911S 2.4 190 HP

A dedicated tuning solution for classic Porsche engines, offering improved performance potential, sharper response, and a true sport character.