Porsche Motorsport suggest the following recommendations or modifications:
TYPE: 911 3.8 RSR & GT2
- Engine
1. When installing new Rocker Arms into the engine it is imperative that the (3) GOLD left arms go int the 1, 2, & 3 exhaust positions.
2. The SILVER left Rocker Arms are for all of the other positions.
3. DO NOT, under any circumstances, install the SILVER Rocker Arms in the 1, 2, & 3 positions.
