Valvetrain GS / GSA engines

What we can do for your high performance engine: Tell us exactly what you want and we'll inform you on how, why and prices.

Rockers: Resurfacing the camshaft follower surface.

New rockers or new modified rockers available.

For high performance engines:

• 40 Ø Inlet valve for 1300/1130 heads
• 36 Ø exhaust valve for 1130 heads

• 41-40/36 mm Ø valves with 7 mm stem Ø and bronze valveguides are available. On request Nimonic or Natrium cooled exhaust valves. Stem hardchromed.

Lubrication holes on the camshaft opening ramp, complete lubrication modification of the valvetrain.

To go in touch with us, please refer to our contact page!